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
In Mentasta Lake, December's average high-temperature stands at a still frigid cold 9.1°F (-12.7°C), closely related to the preceding month. An average nighttime temperature of -0°F (-17.8°C) is recorded during December.Humidity
In Mentasta Lake, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Mentasta Lake, during the entire year, the rain falls for 131.6 days and collects up to 13.15" (334mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Mentasta Lake, in December, during 13.3 snowfall days, 4.37" (111mm) of snow is typically accumulated. In Mentasta Lake, Alaska, during the entire year, snow falls for 93.8 days and aggregates up to 32.72" (831mm) of snow.Daylight
With an average of 5h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 9:39 am and sunset at 3:07 pm. On the last day of December, sunrise is at 10:08 am and sunset at 3:06 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 3.2h of sunshine.UV index
January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain 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 in Mentasta Lake?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mentasta Lake, AK
- Average high temperature in December: 9.1°F
The warmest month (with the highest average high temperature) is July (59.2°F).
The month with the lowest average high temperature is January (6.3°F).
- Average low temperature in December: 0°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-4°F).
Average pressure in December
Mentasta Lake, AK
- Average pressure in December: 29.84"Hg
The month with the highest atmospheric pressure is February (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).
Average wind speed in December
Mentasta Lake, AK
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Mentasta Lake, AK
- Average humidity in December: 83%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is June (65%).
Average rainfall in December
Mentasta Lake, AK
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in December
Mentasta Lake, AK
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is June (19.9 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Mentasta Lake, AK
- Average snowfall in December: 4.37"
The month with the highest snowfall is November (5.94").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Mentasta Lake, AK
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is November (15.8 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Mentasta Lake, AK
- Average daylight in December: 5h and 0min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 13h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Mentasta Lake, AK
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in December
Mentasta Lake, AK
- Average UV index in December: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).
Average cloud cover in December
Mentasta Lake, AK
- Average cloud cover in December: 44
The month with the most cloud cover is April (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Mentasta Lake, AK
- Average visibility in December: 6mi
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are March and April (5mi).
Mentasta Lake, Alaska, USA
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