December weather forecastSponseller, AZ
December
Weather in December
The first month of the winter, December, is still a chilly month in Sponseller, Arizona, with an average temperature varying between 45.7°F (7.6°C) and 27°F (-2.8°C).Temperature
The yearly lowest temperatures occur in January and December, averaging a high-temperature of 45.7°F (7.6°C).Humidity
The average relative humidity in December is 61%.Rainfall
In Sponseller, in December, it is raining for 3.6 days, with typically 0.98" (25mm) of accumulated precipitation. In Sponseller, during the entire year, the rain falls for 71.1 days and collects up to 9.96" (253mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Sponseller. In December, it is snowing for 6.9 days. Throughout December, 5.2" (132mm) of snow is accumulated. In Sponseller, during the entire year, snow falls for 26 days and aggregates up to 20.98" (533mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of December, in Sponseller, sunrise is at 7:25 am and sunset at 5:20 pm MST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sponseller, AZ
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).
Average pressure in December
Sponseller, AZ
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Sponseller, AZ
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Sponseller, AZ
- Average humidity in December: 61%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).
Average rainfall in December
Sponseller, AZ
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in December
Sponseller, AZ
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in December
Sponseller, AZ
- Average snowfall in December: 5.2"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sponseller, AZ
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sponseller, AZ
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 48min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Sponseller, AZ
- Average sunshine days in December: 22 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in December
Sponseller, AZ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sponseller, AZ
- Average cloud cover in December: 23
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in December
Sponseller, 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).





