Search results
Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead.
Weather.com brings you the most accurate monthly weather forecast for Phoenix, AZ with average/record and high/low temperatures, precipitation and more.
Phoenix, Arizona - Winter. December weather forecast. Average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
- What is the coldest month in Phoenix?The coldest month is December , with an average high-temperature of 63°F and an average low-temperature of 47.8°F .
- What are the temperatures in Phoenix in December?In December, the average high-temperature and low-temperature in Phoenix are 63°F and 47.8°F respectively.
- What is the most humid month in Phoenix?December is the most humid month in Phoenix, Arizona, with an average relative humidity of 43% .
- What is the average humidity in December in Phoenix?The average relative humidity in December in Phoenix, Arizona, is 43% .
- How many days does it rain in December in Phoenix?In Phoenix, Arizona, in December, it is raining for 5 days , with typically 0.59" of accumulated precipitation .
- When it does not snow in Phoenix?In Phoenix, Arizona, snow does not fall in January through August , October through December .
- What is the month with the shortest days in Phoenix?The month with the shortest days is December , with an average of 10h and 0min of daylight .
- How many hours of daylight does Phoenix have in December?In December, the average day length in Phoenix, Arizona, is 9h and 59min .
- When are sunrise and sunset in December in Phoenix?In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:20 pm . On the last day of the month, in Phoenix, Arizona,...
December Weather in Phoenix Arizona, United States. Daily high temperatures decrease by 4°F, from 69°F to 66°F, rarely falling below 57°F or exceeding 77°F. The lowest daily average high temperature is 65°F on December 25. Daily low temperatures decrease by 3°F, from 48°F to 45°F, rarely falling below 37°F or exceeding 55°F.
December stands out as Phoenix's coldest month, with an average high-temperature of 63°F (17.2°C) and a low-temperature of 47.8°F (8.8°C). What is the most humid month in Phoenix? The most humid month is December , with an average relative humidity of 43% .
- How many days does it rain in Phoenix?In Phoenix, during the entire year, the rain falls for 44.6 days and collects up to 5.04" of precipitation .
- When it does not snow in Phoenix?In Phoenix, snow does not fall in January through August , October through December .
- How much does it snow in Phoenix?In Phoenix, Arizona, during the entire year, snow aggregates up to 0.04" .
- What is the driest month in Phoenix?May and June are months with the least rain in Phoenix when the rain falls for 1.3 days and typically aggregates up to 0.08" of rain .
- What is the month with the highest UV index in Phoenix?May through August , with an average maximum UV index of 8 , are months with the highest UV index in Phoenix.
- What is the least humid month in Phoenix?June is the least humid month , with an average relative humidity of 16% .
- When are the longest days in Phoenix?With an average of 14h and 18min of daylight , June has the longest days of the year.
- What month has the most sunshine in Phoenix?June has the most sunshine of the year, with an average of 12.1h of sunshine .
- What month is the hottest in Phoenix?July , having an average high-temperature of 103.6°F and an average low-temperature of 84°F , is the warmest month in Phoenix, Arizona.
Currently: 79 °F. Clear. (Weather station: Phoenix Sky Harbor International Airport, USA). See more current weather. Select month: December 2021 Weather in Phoenix — Graph. °F. Mon, Dec 27. Lo:50. 12 am. Hi:54. 6. Lo:48. 6 am. Hi:55. 7. Lo:55. 12 pm. Hi:57. 5. Lo:48. 6 pm. Hi:55. 8. Tue, Dec 28. Lo:46. 12 am. Hi:46. 5. Lo:48. 6 am.
December is the cloudiest month for Phoenix. The sun's rays reach the ground during 77 percent of daylight hours on average, for a total of 238 hours in the month. Typically on 15 days this month the sky is mainly clear, with at most 30 percent cloud cover. Sunlight in December at Phoenix averages 9 hours and 58 minutes a day.
