Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a frigid cold 10.9°F (-11.7°C) in November to a polar cold 4.1°F (-15.5°C). Selawik reports an average low-temperature of -4.2°F (-20.1°C) during the subtly cooler December nights.Humidity
The average relative humidity in December is 90%.Rainfall
In Selawik, during December, the rain falls for 2.3 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 85.8 rainfall days, and 12.91" (328mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Selawik, Alaska, in December, snow falls for 14.5 days, with typically accumulated 4.84" (123mm) of snow. In Selawik, during the entire year, snow falls for 90.6 days and aggregates up to 33.58" (853mm) of snow.Daylight
December has the shortest days of the year, with an average of 2h and 36min of daylight.On the first day of the month, sunrise is at 11:42 am and sunset at 3:16 pm. On the last day of December, sunrise is at 12:23 pm and sunset at 3:03 pm AKST.
Sunshine
The average sunshine in December in Selawik is 1.1h.UV index
January through April, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Selawik in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Selawik, AK
- Average high temperature in December: 4.1°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 (0.7°F).
- Average low temperature in December: -4.2°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8.1°F).
Average pressure in December
Selawik, AK
- Average pressure in December: 29.84"Hg
The month with the highest atmospheric pressure is March (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).
Average wind speed in December
Selawik, AK
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest month (with the lowest average wind speed) is May (7.1mph).
Average humidity in December
Selawik, AK
- Average humidity in December: 90%
The months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is June (63%).
Average rainfall in December
Selawik, AK
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Selawik, AK
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is November (1.4 days).
Average snowfall in December
Selawik, AK
- Average snowfall in December: 4.84"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Selawik, AK
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Selawik, AK
- Average daylight in December: 2h and 4min
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 1min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 0h and 30min).
Average sunshine days in December
Selawik, AK
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in December
Selawik, AK
- Average UV index in December: 1
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in December
Selawik, AK
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in December
Selawik, AK
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Selawik, Alaska, USA
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