December weather forecastArizona Sun Sites, AZ
December
Weather in December
The first month of the winter, December, is still a refreshing month in Arizona Sun Sites, Arizona, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 38.5°F (3.6°C).Temperature
During the coldest month, December, temperatures average a high of 57.7°F (14.3°C) and a low of 38.5°F (3.6°C).Humidity
December is the most humid month in Arizona Sun Sites, with an average relative humidity of 48%.Rainfall
In Arizona Sun Sites, Arizona, during December, the rain falls for 5.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Arizona Sun Sites, Arizona, during the entire year, the rain falls for 76.9 days and collects up to 10.28" (261mm) of precipitation.Snowfall
January, February and December are months with snowfall in Arizona Sun Sites, Arizona. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.51" (13mm) of snow. In Arizona Sun Sites, during the entire year, snow falls for 1.4 days and aggregates up to 1.69" (43mm) of snow.Daylight
December has the shortest days of the year in Arizona Sun Sites, Arizona, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 5:15 pm. On the last day of December, in Arizona Sun Sites, sunrise is at 7:20 am and sunset at 5:26 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 6.9h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 3 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arizona Sun Sites, AZ
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (71.8°F).
The coldest months (with the lowest average low temperature) are January and December (38.5°F).
Average pressure in December
Arizona Sun Sites, 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 (29.85"Hg).
Average wind speed in December
Arizona Sun Sites, AZ
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Arizona Sun Sites, AZ
- Average humidity in December: 48%
The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (21%).
Average rainfall in December
Arizona Sun Sites, AZ
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is August (2.48").
The driest months (with the least rainfall) are April and May (0.12").
Average rainfall days in December
Arizona Sun Sites, AZ
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.1 days).
Average snowfall in December
Arizona Sun Sites, AZ
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Arizona Sun Sites, AZ
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Arizona Sun Sites, AZ
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 6h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Arizona Sun Sites, AZ
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Arizona Sun Sites, AZ
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Arizona Sun Sites, AZ
- Average cloud cover in December: 20
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in December
Arizona Sun Sites, 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).
