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
A mild shift in the average high-temperature occurs in December, reducing from a wintry 32.4°F (0.2°C) in November to a freezing cold 24.8°F (-4°C). An average temperature of 19.2°F (-7.1°C) is logged during the nights of December, a small step down from daytime highs.Humidity
In December, the average relative humidity is 88%.Rainfall
In Chefornak, during December, the rain falls for 6.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 137.7 rainfall days, and 20.43" (519mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, October through December. The month with the most snowfall is December, when snow falls for 14.7 days and typically aggregates up to 3.78" (96mm) of snow.Daylight
The month with the shortest days is December, with an average of 6h and 0min of daylight.On the first day of December, sunrise is at 10:35 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 11:00 am and sunset at 5:00 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 1.8h of sunshine.UV index
January, April, November and 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 low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most in Chefornak?
How many days does it snow in December in Chefornak?
What is the month with the shortest days?
How many hours of daylight does Chefornak have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Chefornak have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Chefornak, AK
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Chefornak, AK
- Average pressure in December: 29.6"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in December
Chefornak, AK
- Average wind speed in December: 17.6mph
The windiest month (with the highest average wind speed) is November (19.3mph).
The calmest month (with the lowest average wind speed) is July (11.7mph).
Average humidity in December
Chefornak, AK
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).
Average rainfall in December
Chefornak, AK
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is September (2.83").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in December
Chefornak, AK
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is September (21.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Chefornak, AK
- Average snowfall in December: 3.78"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are July, August and September (0").
Average snowfall days in December
Chefornak, AK
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Chefornak, AK
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 1h and 5min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in December
Chefornak, AK
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is September (4.7 days).
Average UV index in December
Chefornak, AK
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, April, November and December (UV index 1).
Average cloud cover in December
Chefornak, AK
- Average cloud cover in December: 74
The months with the most cloud cover are September and December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility in December
Chefornak, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
Chefornak, Alaska, USA
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