December weather forecastAtka, AK
December
Weather in December
The first month of the winter, December, is also an icy month in Atka, Alaska, with an average temperature fluctuating between 36.1°F (2.3°C) and 38.8°F (3.8°C).Temperature
December's onset brings an average high-temperature of a still cold 38.8°F (3.8°C), showing a minute difference from November's 41.9°F (5.5°C). Atka's nocturnal December readings average at a still wintry 36.1°F (2.3°C), showing little variation from the daytime temperatures.Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 76%.Rainfall
In Atka, in December, it is raining for 12.5 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 173.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Atka, in December, snow falls for 9.6 days, with typically accumulated 2.56" (65mm) of snow. In Atka, during the entire year, snow falls for 53.7 days and aggregates up to 16.3" (414mm) of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 9:24 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 9:45 am and sunset at 5:34 pm HST.
Sunshine
With an average of 2.1h of sunshine, December has the least sunshine of the year.UV index
January through April and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Atka, AK
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is August (52°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (33.8°F).
Average pressure in December
Atka, AK
- Average pressure in December: 29.53"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is January (29.48"Hg).
Average wind speed in December
Atka, AK
- Average wind speed in December: 20.4mph
The windiest month (with the highest average wind speed) is February (21.2mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).
Average humidity in December
Atka, AK
- Average humidity in December: 76%
The month with the highest relative humidity is July (94%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in December
Atka, AK
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is February (2.8").
The driest month (with the least rainfall) is June (1.3").
Average rainfall days in December
Atka, AK
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Atka, AK
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Atka, AK
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Atka, AK
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 2h and 6min
The month with the most sunshine is October (Average sunshine: 5h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in December
Atka, AK
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Atka, AK
- Average UV index in December: 1
The months with the highest UV index are July, August and September (UV index 3).
The months with the lowest UV index are January, February, March, April and December (UV index 1).
Average cloud cover in December
Atka, AK
- Average cloud cover in December: 71
The month with the most cloud cover is July (Cloud cover 85).
The month with the least cloud cover is October (Cloud cover 63).
Average visibility in December
Atka, AK
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August and December (5mi).
