December weather forecastChandler, AZ
December
Weather in December
Winter steps into Chandler in December with temperatures diving down from 46.9°F (8.3°C) to 62.6°F (17°C). The city observes the highest rise in humidity, creating a stark contrast against the otherwise dry conditions. December hosts the minimum daylight hours of the year attracting chilly days and frosty nights. Despite the substantial cloud cover, precipitation is scanty. Winds slow down to the lowest speed making the Arizona winter a relatively calm experience.Temperature
With average temperatures fluctuating between a high of 62.6°F (17°C) and a low of 46.9°F (8.3°C), December stands out as the coldest month in Chandler, Arizona.Humidity
With an average relative humidity of 44%, December is the most humid month in Chandler.Rainfall
In Chandler, in December, it is raining for 6.7 days, with typically 0.91" (23mm) of accumulated precipitation. In Chandler, during the entire year, the rain falls for 60.4 days and collects up to 8.15" (207mm) of precipitation.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Chandler.On the first day of December in Chandler, sunrise is at 7:13 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:30 pm MST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year in Chandler.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chandler, AZ
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).
Average pressure in December
Chandler, AZ
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Chandler, AZ
- Average wind speed in December: 4.4mph
The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in December
Chandler, AZ
- Average humidity in December: 44%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (16%).
Average rainfall in December
Chandler, AZ
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Chandler, AZ
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is June (1.1 days).
Average daylight in December /
Average sunshine in December
Chandler, 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
Chandler, AZ
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.3 days).
Average UV index in December
Chandler, 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
Chandler, 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
Chandler, 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).





