December weather forecastFort Yukon, AK
December
Weather in December
December brings the year to a close with a complete return of the winter season. Icy temperatures, ranging from 4.8°F (-15.1°C) to a numbing -2.9°F (-19.4°C), immerse the city fully into a snowy tableau. The month serves a short, sweet daylight window while owning the year's longest stretches of night. A relatively stable barometric pressure accompanies this final, colder month. The lights of Christmas and New Year provide a warm contrast to Fort Yukon's winter darkness, bidding farewell to the year in a spectacle of colors.Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from 4.8°F (-15.1°C) in November to a still arctic cold -2.9°F (-19.4°C). In Fort Yukon, December's nights observe an average temperature dip to a life-threatening cold -13.7°F (-25.4°C).Humidity
In Fort Yukon, the average relative humidity in December is 95%.Rainfall
In Fort Yukon, in December, it is raining for 0.8 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 63.3 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Fort Yukon, during December, snow falls for 13.5 days and regularly aggregates up to 3.35" (85mm) of snow. Throughout the year, there are 96.1 snowfall days, and 20.63" (524mm) of snow is accumulated.Daylight
With an average of 2h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 10:42 am and sunset at 2:18 pm. On the last day of December, sunrise is at 11:23 am and sunset at 2:05 pm AKST.
Sunshine
The average sunshine in December in Fort Yukon is 1.5h.UV index
The months with the lowest UV index are January through March, September through December, 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 radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Yukon, AK
- Average high temperature in December: -2.9°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (-6.3°F).
- Average low temperature in December: -13.7°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (-18°F).
Average pressure in December
Fort Yukon, AK
- Average pressure in December: 29.94"Hg
The month with the highest atmospheric pressure is February (30.03"Hg).
The month with the lowest atmospheric pressure is September (29.79"Hg).
Average wind speed in December
Fort Yukon, AK
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is June (6.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (4.3mph).
Average humidity in December
Fort Yukon, AK
- Average humidity in December: 95%
The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (44%).
Average rainfall in December
Fort Yukon, AK
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is February (0.28").
Average rainfall days in December
Fort Yukon, AK
- Average rainfall days in December: 0.8 days
The month with the highest number of rainy days is August (11.7 days).
The month with the least rainy days is February (0.6 days).
Average snowfall in December
Fort Yukon, AK
- Average snowfall in December: 3.35"
The month with the highest snowfall is November (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Fort Yukon, AK
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is March (14.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Fort Yukon, AK
- Average daylight in December: 2h and 36min
The month with the longest days is May (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 2h and 36min).
- Average sunshine in December: 1h and 30min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is June (Average sunshine: 1h and 0min).
Average sunshine days in December
Fort Yukon, AK
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is June (21.4 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in December
Fort Yukon, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 1).
Average cloud cover in December
Fort Yukon, AK
- Average cloud cover in December: 66
The month with the most cloud cover is April (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in December
Fort Yukon, AK
- Average visibility in December: 2mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (2mi).





