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
Transitioning into December, Cooper Landing records an average high-temperature of a still freezing cold 20.1°F (-6.6°C), almost identical to November's 23.9°F (-4.5°C). In December, Cooper Landing reports a consistent average low-temperature of 10.6°F (-11.9°C) during the nights.Humidity
March and December, with an average relative humidity of 92%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 10.4 days and accumulates 6.02" (153mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 20.8 days and typically aggregates up to 24.06" (611mm) of snow.Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 9:40 am and sunset at 3:57 pm. On the last day of December, in Cooper Landing, sunrise is at 10:06 am and sunset at 3:59 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 2.8h of sunshine.UV index
January through March, October through 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 hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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 most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cooper Landing have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Cooper Landing have in December?
What are the months with the lowest UV index in Cooper Landing?
How high is the UV index in December?
Average temperature in December
Cooper Landing, AK
- Average high temperature in December: 20.1°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in December: 10.6°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Cooper Landing, AK
- Average pressure in December: 29.63"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.62"Hg).
Average wind speed in December
Cooper Landing, AK
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is November (6mph).
The calmest month (with the lowest average wind speed) is June (4.4mph).
Average humidity in December
Cooper Landing, AK
- Average humidity in December: 92%
The months with the highest relative humidity are March and December (92%).
The month with the lowest relative humidity is June (78%).
Average rainfall in December
Cooper Landing, AK
- Average rainfall in December: 6.02"
The wettest month (with the highest rainfall) is December (6.02").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in December
Cooper Landing, AK
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Cooper Landing, AK
- Average snowfall in December: 24.06"
The month with the highest snowfall is December (24.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Cooper Landing, AK
- Average snowfall days in December: 20.8 days
The month with the highest number of snowfall days is December (20.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cooper Landing, AK
- Average daylight in December: 5h and 5min
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: 2h and 5min
The months with the most sunshine are May and July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in December
Cooper Landing, AK
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is January (9.9 days).
The month with the least sunshine days is September (7 days).
Average UV index in December
Cooper Landing, AK
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Cooper Landing, AK
- Average cloud cover in December: 60
The month with the most cloud cover is April (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 54).
Average visibility in December
Cooper Landing, AK
- Average visibility in December: 4mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Cooper Landing, Alaska, USA
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