December weather forecastKasilof, AK
December
Weather in December
December, the first month of the winter in Kasilof, is still a freezing cold month, with an average temperature ranging between min 19.8°F (-6.8°C) and max 26.1°F (-3.3°C).Temperature
Shifting into December, Kasilof records an average high-temperature of a still subzero cold 26.1°F (-3.3°C), presenting minor fluctuations compared to the previous month. The low temperature average during December reflects a slight decrease to a still subzero cold 19.8°F (-6.8°C) from the day's peak.Humidity
The average relative humidity in December is 87%.Rainfall
In Kasilof, in December, during 8.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 155.2 rainfall days, and 20.63" (524mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall in Kasilof, Alaska, is December, when snow falls for 13.9 days and typically aggregates up to 8.31" (211mm) of snow.Daylight
The month with the shortest days is December, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 9:44 am and sunset at 4:04 pm. On the last day of December, sunrise is at 10:10 am and sunset at 4:06 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 3.1h of sunshine.UV index
February, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kasilof, AK
- Average high temperature in December: 26.1°F
The warmest month (with the highest average high temperature) is July (63°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Kasilof, AK
- Average pressure in December: 29.63"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.63"Hg).
Average wind speed in December
Kasilof, AK
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is December (7.7mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Kasilof, AK
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and March (89%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Kasilof, AK
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is September (3.03").
The driest months (with the least rainfall) are March, May and June (1.1").
Average rainfall days in December
Kasilof, AK
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is September (18.7 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Kasilof, AK
- Average snowfall in December: 8.31"
The month with the highest snowfall is December (8.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Kasilof, AK
- Average snowfall days in December: 13.9 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Kasilof, AK
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Kasilof, AK
- Average sunshine days in December: 13 days
The month with the most sunshine days is July (14.3 days).
The month with the least sunshine days is September (10 days).
Average UV index in December
Kasilof, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in December
Kasilof, AK
- Average cloud cover in December: 56
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in December
Kasilof, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).





