December weather forecastEster, AK
December
Weather in December
December, the first month of the winter in Ester, is also a frigid cold month, with temperature in the range of an average high of 5.9°F (-14.5°C) and an average low of -4.5°F (-20.3°C).Temperature
The start of December involves a subtle temperature drop, shifting from a frigid cold 11.7°F (-11.3°C) in November to an extremely cold 5.9°F (-14.5°C). December nights in Ester are marked by an average low-temperature of -4.5°F (-20.3°C).Humidity
In December, the average relative humidity is 92%.Rainfall
In Ester, in December, during 2.3 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 98.7 rainfall days, and 10.75" (273mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 12.5 days. Throughout December, 3.46" (88mm) of snow is accumulated. Throughout the year, there are 78.4 snowfall days, and 25" (635mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 4h and 0min of daylight.On the first day of December, sunrise is at 10:22 am and sunset at 3:00 pm. On the last day of the month, sunrise is at 10:55 am and sunset at 2:55 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 1.9h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ester, AK
- Average high temperature in December: 5.9°F
The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is January (1.8°F).
- Average low temperature in December: -4.5°F
The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (-9°F).
Average pressure in December
Ester, AK
- Average pressure in December: 29.86"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in December
Ester, AK
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is May (4.8mph).
The calmest months (with the lowest average wind speed) are January, August, October, November and December (4.2mph).
Average humidity in December
Ester, AK
- Average humidity in December: 92%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (56%).
Average rainfall in December
Ester, AK
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Ester, AK
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is August (16.5 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in December
Ester, AK
- Average snowfall in December: 3.46"
The month with the highest snowfall is November (5.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ester, AK
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is November (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ester, AK
- Average daylight in December: 4h and 0min
The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in December: 1h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in December
Ester, AK
- Average sunshine days in December: 19 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Ester, 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, November and December (UV index 1).
Average cloud cover in December
Ester, AK
- Average cloud cover in December: 51
The months with the most cloud cover are March and April (Cloud cover 55).
The months with the least cloud cover are May and June (Cloud cover 40).
Average visibility in December
Ester, AK
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is March (3mi).





