Phoenix Weather for December 2020. The lowest daily average low temperature is 45°F on December 27. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. ... Tornado warnings are unusual for Arizona, according to Bianca Hernandez, a meteorologist with the National Weather Service in Phoenix. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Weather history for Phoenix, Arizona for November 22, 2020. There are normally 8 hours of bright sunshine each day in Phoenix in December - that's 79% of daylight hours. Rain in the morning and afternoon. Phoenix - Recent December Temperatures and Rainfall The numbers here describe what the December weather in Phoenix, Arizona was like for every year since 2010. The average sliding 31-day rainfall during December in Phoenix is essentially constant, remaining about 1.0 inches throughout, and rarely exceeding 2.7 inches. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . The percentage of time spent in various temperature bands. In Phoenix, the chance of a wet day over the course of December is essentially constant, remaining around 10% throughout. Todayâs and tonightâs Phoenix, AZ weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com 12 mph â 14%: 29.93 "Hg: 10 mi: 1:51 am: 63 °F: Passing clouds. Three tornadoes were confirmed in Arizona on Nov. 29, 2019. We will review the data in question. Weather reports from November 2019 in Phoenix, Arizona, USA with highs and lows The thin dotted line is the corresponding average liquid-equivalent snowfall. Weather forecasts that start where the others stop. support@__remove_this_part__weatherspark.com. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. July is on average the WARMEST month. Here is a look at some of Arizona's top weather events of 2019. The highest day temperature in December 2019 was 71°F.The lowest night temperature was 39°F.The average values for day and night temperatures during December were 62.1°F и 52.8°F respectivly. For each station, the records are corrected for the elevation difference between that station and Phoenix according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. High 69, low 38. Enter Your City, ST or ZIP Code ... (1896-2019) Record High: 87 on Nov 23 2017, Nov 27 2014, and Nov 23 1950. View detailed forecast, © WeatherTAB 2020. The percentage of time spent at various humidity comfort levels, categorized by dew point. Show weather for: Scroll right to see more Conditions Comfort ; Time Temp Weather Wind Humidity Barometer Visibility; 12:51 am Mon, Apr 1: 69 °F: Passing clouds. For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 38%, while on June 13, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 86%. Lower dew points feel drier and higher dew points feel more humid. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Phoenix. Daily low temperatures decrease by 3°F, from 48°F to 45°F, rarely falling below 37°F or exceeding 55°F. Temperatures in Phoenix are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. The minimum temperature usually falls between 43 and 46 °F (6 to 8 °C). The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). Daily high temperatures decrease by 4°F, from 69°F to 66°F, rarely falling below 57°F or exceeding 77°F. This temperature is 14º above average for this time of year, and just 4º away from the record of 84º set back in 1981. The past two months were the cloudiest November and December in Phoenix in at least 19 years. The lowest daily average wind speed during December is 6.7 miles per hour on December 16. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The shaded overlays indicate night and civil twilight. 09 December 2020 - Posted in Weather Facts - Permalink The high temperature on December 9th hit 80º at Phoenix Sky Harbor. Phoenix Weather History for April 1, 2019. Please select the information that is incorrect. Questions? We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. However, if it does rain/snow during the month, expect most of it to occur on higher risk days. The average hourly temperature, color coded into bands. But when you look at the average low temperature and the average temperature (taking the average high and low and dividing by two), the numbers get even closer. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Within 50 miles contains very significant variations in elevation (6,909 feet). The topography within 2 miles of Phoenix is essentially flat, with a maximum elevation change of 56 feet and an average elevation above sea level of 1,082 feet. Snow in Scottsdale It snowed in the higher elevations of the Phoenix metro area, including north Scottsdale and Cave Creek , ⦠Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. The thin dotted lines are the corresponding average perceived temperatures. The earliest sunset is 5:20 PM on December 3 and the latest sunset is 11 minutes later at 5:31 PM on December 31. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Be prepared with the most accurate 10-day forecast for Seaside, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com The earliest sunrise of the month in Phoenix is 7:14 AM on December 1 and the latest sunrise is 18 minutes later at 7:32 AM on December 31. The shaded overlays indicate night and civil twilight. This report illustrates the typical weather in Phoenix, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. In most years, Phoenix averages a daily maximum temperature for December that's between 65 and 70 degrees Fahrenheit (18 to 21 degrees Celsius). Our forecasts are not direct predictions of rain/snow. The average daily incident shortwave solar energy in Phoenix is essentially constant during December, remaining within 0.1 kWh of 3.3 kWh throughout. The average growing degree days accumulated over the course of December, with 25th to 75th and 10th to 90th percentile bands. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Daylight saving time is not observed in Phoenix during 2020. WeatherTAB Phoenix, Arizona ... December 2020 Summary Precipitation Forecast Wetter Than Normal. In this report, we use a base of 50°F and a cap of 86°F. Weather data is prone to errors, outages, and other defects. Toggle navigation. For the purposes of this report, the geographical coordinates of Phoenix are 33.448 deg latitude, -112.074 deg longitude, and 1,083 ft elevation. The area within 2 miles of Phoenix is covered by artificial surfaces (52%) and shrubs (48%), within 10 miles by artificial surfaces (51%) and shrubs (44%), and within 50 miles by shrubs (85%). Within 10 miles is essentially flat (1,722 feet). Arizona weather in December 2020. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. 5 mph winds, with gusts up to 11 mph. Phoenix Weather: Check the latest Phoenix Arizona weather forecast and current temperatures from azcentral.com. The black line is the percentage chance that a given day is within the growing season. Phoenix picks up first measurable rainfall in nearly 4 months. Free Long Range Weather Forecast for Phoenix, Arizona. The National Weather Service in Phoenix issued a severe thunderstorm warning for much of the southeast Valley effective until 4:30 p.m. A significant weather advisory was in ⦠Phoenix, AZ Weather History star_ratehome. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Select a destination to see more weather parameters. 55 F Phoenix Sky Harbor International Airport ... You are about to report this weather station for bad data. The average accumulated growing degree days in Phoenix are increasing during December, increasing by 187°F, from 7,956°F to 8,143°F, over the course of the month. The highest chance of overcast or mostly cloudy conditions is 36% on December 27. The number of hours during which the Sun is visible (black line). Chevron right The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Clear throughout the day. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The Valley of the Sun didn't live up to its name over the last two months of 2019. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Best for planning. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. The chance that a given day will be muggy in Phoenix is essentially constant during December, remaining around 0% throughout. Thank you for reporting this station. The year 2019 ended up being only the 28th warmest year recorded in the history of central Arizona (Phoenix), and the 46th warmest recorded for southwest Arizona (Yuma). Phoenix, AZ Weather Calendar star_ratehome. Time zones for airports and weather stations are provided by AskGeo.com . The estimated value at Phoenix is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Phoenix and a given station. Includes Daily Risk of Precipitation, High/Low/Average Temperatures, Heating/Cooling Degree Days and Growing Degree Days, Transition Day – Start or End of a Risky Period. ... National Weather Service NWS Phoenix 2727 E Washington St NWS PAB 1TA Phoenix, AZ 85034 (602) 275-0073 Comments? Average Weather in December in Phoenix Arizona, United States. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Arizona in December. The month of December in Phoenix experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 31% to 35%. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The stations contributing to this reconstruction are: Phoenix Sky Harbor International Airport (74%, 7 kilometers, east); Phoenix-Deer Valley Airport (9%, 27 kilometers, north); Phoenix Goodyear Airport (9%, 29 kilometers, west); and Luke Air Force Base (8%, 29 kilometers, northwest). Ouargla, Algeria (6,361 miles away) is the far-away foreign place with temperatures most similar to Phoenix (view comparison). The lowest daily average high temperature is 65°F on December 25. For reference, on August 13, the muggiest day of the year, there are muggy conditions 24% of the time, while on November 3, the least muggy day of the year, there are muggy conditions 0% of the time. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The figure below presents a compact representation of key lunar data for December 2020. Be prepared with the most accurate 10-day forecast for Phoenix, AZ with highs, lows, chance of precipitation from The Weather Channel and Weather.com To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. Calendar overview of Months Weather Forecast. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. PHOENIX â Is it just us, or does this winter feel abnormally cold for Phoenix? According to data from the National Weather Service, the start of the winter was actually veryâ¦average. Does it ever rain in Phoenix in December? Enter any city, zip or place. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Daytime temperatures usually reach 19°C in Phoenix in December, falling to 4°C at night. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The clearest day of the month is December 2, with clear, mostly clear, or partly cloudy conditions 69% of the time. 3 mph â 24%: 29.93 "Hg: 10 mi: 2:51 am: 64 °F: Passing clouds. Clear throughout the day. The normal high for that period is 67.5, so it has been a little cooler. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. including sunrise/sunset and moon phases. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. A series of tables gives December data by year for temperature and precipitation. NWS Winter Weather Safety Campaign Begins December 1st; This Day in Weather History; Customize Your Weather.gov. For reference, on June 20, the longest day of the year, the Sun rises at 5:18 AM and sets 14 hours, 22 minutes later, at 7:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 56 minutes later, at 5:24 PM. The solar day over the course of December. MERRA-2 Modern-Era Retrospective Analysis. The hourly average wind direction in Phoenix throughout December is predominantly from the east, with a peak proportion of 53% on December 29. The lowest average daily incident shortwave solar energy during December is 3.1 kWh on December 23. TUCSON, AZ â Here's your local weather forecast for the coming weekend, as reported by Darksky. Shortwave radiation includes visible light and ultraviolet radiation. C° F° A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. 10 December 2020 - Posted in Weather Records - Permalink On December 9th, the high temperature was a warm 80º in Phoenix. Not all risky days will have rain/snow. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. 2017 2018 2019 2020. For reference, the year's highest daily chance of a wet day is 19% on August 12, and its lowest chance is 1% on June 13. The average high temperature in Phoenix from Dec. 1 (the start of winter for meteorologists) through Feb. 10 has been 66.3 degrees, according to National Weather Service numbers. December is the coldest month overall for Phoenix and the ⦠Over the course of December in Phoenix, the length of the day is essentially constant. For reference, on July 4, the hottest day of the year, temperatures in Phoenix typically range from 84°F to 107°F, while on December 27, the coldest day of the year, they range from 45°F to 65°F. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. [PHOTOS: Surprise storm brings rain, hail in north Phoenix, Scottsdale] The National Weather Service said up to a quarter-size hail was possible. One day later, on December ⦠From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. WeatherTAB helps you plan activities on days with the least risk of rain. Report Station. Clear throughout the day. Phoenix, AZ Weather History star_ratehome. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Toggle navigation. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. For reference, on April 29, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on August 15, the calmest day of the year, the daily average wind speed is 5.7 miles per hour. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. Sunday, December 13. The average hourly wind speed in Phoenix is essentially constant during December, remaining within 0.1 miles per hour of 6.8 miles per hour throughout. 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