December weather forecastFort Richardson, AK
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Fort Richardson, Alaska, with an average temperature varying between 14.9°F (-9.5°C) and 22.3°F (-5.4°C).Temperature
The initiation of December records an average high-temperature of a still freezing cold 22.3°F (-5.4°C), displaying a near consistency with the previous month. In Fort Richardson, the nighttime temperature in December descends gently to an average of 14.9°F (-9.5°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Fort Richardson, during December, the rain falls for 8.6 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 146.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 12.2 days and typically aggregates up to 6.85" (174mm) of snow.Daylight
December has the shortest days of the year, with an average of 5h and 36min of daylight.On the first day of the month, sunrise is at 9:46 am and sunset at 3:49 pm. On the last day of December, sunrise is at 10:13 am and sunset at 3:51 pm AKST.
Sunshine
With an average of 3.8h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fort Richardson, AK
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (62.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Fort Richardson, AK
- Average pressure in December: 29.67"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.67"Hg).
Average wind speed in December
Fort Richardson, AK
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is November (5.4mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Fort Richardson, AK
- Average humidity in December: 85%
The months with the highest relative humidity are February and March (87%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Fort Richardson, AK
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is May (0.59").
Average rainfall days in December
Fort Richardson, AK
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is August (19.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Fort Richardson, AK
- Average snowfall in December: 6.85"
The month with the highest snowfall is December (6.85").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Fort Richardson, AK
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Fort Richardson, AK
- Average daylight in December: 5h and 36min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Fort Richardson, AK
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is May (16.9 days).
The months with the least sunshine days are August and September (9.7 days).
Average UV index in December
Fort Richardson, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Fort Richardson, AK
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in December
Fort Richardson, AK
- Average visibility in December: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).





