December weather forecastAvondale, AZ
December
Weather in December
December in Avondale, Arizona, is largely cool and dry. The weather in December is characterized by shorter days and longer nights, creating a tranquil setting. A further decrease in temperatures sets the stage for the winter months. Lower solar radiation results in reduced daylight and sunshine hours. Remarkably for December, the highest temperature recorded averages 62.6°F (17°C).Temperature
Avondale's coldest weather arrives in December, when temperatures average a high of 62.6°F (17°C) and a low of 46.8°F (8.2°C).Humidity
December is the most humid month, with an average relative humidity of 43%.Rainfall
In Avondale, during December, the rain falls for 5.4 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 54 rainfall days, and 8.07" (205mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Avondale, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:32 pm MST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during December translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Avondale, AZ
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (84.2°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in December
Avondale, AZ
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in December
Avondale, AZ
- Average wind speed in December: 4.6mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in December
Avondale, AZ
- Average humidity in December: 43%
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Avondale, AZ
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are August, September and October (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Avondale, AZ
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is June (0.9 days).
Average daylight in December /
Average sunshine in December
Avondale, AZ
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Avondale, AZ
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is August (18 days).
Average UV index in December
Avondale, AZ
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Avondale, AZ
- Average cloud cover in December: 20
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Avondale, AZ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





