December weather forecast
Fairbanks, AK

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The scenic Fairbanks City in Alaska, seen from across the Chena River
The scenic Fairbanks City in Alaska, seen from across the Chena River

Weather in December

December in Fairbanks welcomes the winter season in all its glory. Temperatures drop to painfully chilly levels with daily averages dipping to minimum values around -4.9°F (-20.5°C). The snowfall is dense, recording a lower quantity of 2.72" (69mm) compared to the previous month. Amid the holiday cheer, the city plunges into frosty winter darkness.

Temperature

In December, the average high-temperature in Fairbanks, Alaska, marginally decreases from 11.5°F (-11.4°C) in November to a still frigid cold 5.9°F (-14.5°C). An average temperature of -4.9°F (-20.5°C) is recorded in Fairbanks during the nights in December.

Humidity

The average relative humidity in December is 92%.

Rainfall

In Fairbanks, during December, the rain falls for 3.2 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Fairbanks, during the entire year, the rain falls for 100.5 days and collects up to 10.87" (276mm) of precipitation.

Snowfall

Months with snowfall in Fairbanks are January through May, August through December. In Fairbanks, Alaska, during December, snow falls for 11.4 days and regularly aggregates up to 2.72" (69mm) of snow. Throughout the year, there are 74.3 snowfall days, and 24.49" (622mm) 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 the month, sunrise is at 10:21 am and sunset at 2:59 pm. On the last day of December, sunrise is at 10:54 am and sunset at 2:54 pm AKST.

Sunshine

With an average of 2h of sunshine, December has the least sunshine of the year.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Fairbanks. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is December in Fairbanks?

The high-temperature in Fairbanks during December is 5.9°F (-14.5°C) and the low-temperature is -4.9°F (-20.5°C).

What is the average humidity in December in Fairbanks?

In December, the average relative humidity is 92%.

How much does it rain in Fairbanks in December?

In Fairbanks, Alaska, in December, during 3.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How much does it snow in Fairbanks in December?

In Fairbanks, Alaska, during December, snow falls for 11.4 days and regularly aggregates up to 2.72" (69mm) of snow.

What is the month with the shortest days in Fairbanks?

The month with the shortest days is December, with an average of 4h and 0min of daylight.

What is the average length of the day in December in Fairbanks?

In December, the average day length in Fairbanks is 3h and 59min.

When are sunrise and sunset in December in Fairbanks?

In December, on the first day of the month, sunrise is at 10:21 am and sunset at 2:59 pm. On the last day of the month, in Fairbanks, Alaska, sunrise is at 10:54 am and sunset at 2:54 pm AKST.

What is the month with the least sunshine in Fairbanks?

The month with the least sunshine in Fairbanks, Alaska, is December, with an average of 2h of sunshine.

How long on average sun shines in December in Fairbanks?

The average sunshine duration in December is 2h.

What is the month with the lowest UV index in Fairbanks?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Fairbanks?

In Fairbanks, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fairbanks, AK

Average temperature in December - Fairbanks, AK
  • Average high temperature in December: 5.9°F

The warmest month (with the highest average high temperature) is July (70.7°F).
The month with the lowest average high temperature is January (2.1°F).

  • Average low temperature in December: -4.9°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 (-9°F).

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Average pressure in December
Fairbanks, AK

Average pressure in December - Fairbanks, 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).

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Average wind speed in December
Fairbanks, AK

Average wind speed in December - Fairbanks, AK
  • Average wind speed in December: 4.2mph

The windiest month (with the highest average wind speed) is May (5mph).
The calmest months (with the lowest average wind speed) are October, November and December (4.2mph).

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Average humidity in December
Fairbanks, AK

Average humidity in December - Fairbanks, AK
  • Average humidity in December: 92%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (56%).

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Average rainfall in December
Fairbanks, AK

Average rainfall in December - Fairbanks, AK
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in December
Fairbanks, AK

Average rainfall days in December - Fairbanks, AK
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in December
Fairbanks, AK

Average snowfall in December - Fairbanks, AK
  • Average snowfall in December: 2.72"

The month with the highest snowfall is November (6.5").
The months with the least snowfall are June and July (0").

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Average snowfall days in December
Fairbanks, AK

Average snowfall days in December - Fairbanks, AK
  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is November (13.3 days).
The months with the least snowfall days are June and July (0 days).

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Average daylight in December /
Average sunshine in December
Fairbanks, AK

Average daylight in December / Average sunshine in December - Fairbanks, 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: 2h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

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Average sunshine days in December
Fairbanks, AK

Average sunshine days in December - Fairbanks, AK
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.2 days).

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Average UV index in December
Fairbanks, AK

Average UV index in December - Fairbanks, 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).

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Average cloud cover in December
Fairbanks, AK

Average cloud cover in December - Fairbanks, AK
  • Average cloud cover in December: 50

The months with the most cloud cover are March, April and November (Cloud cover 53).
The month with the least cloud cover is May (Cloud cover 39).

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Average visibility in December
Fairbanks, AK

Average visibility in December - Fairbanks, AK
  • Average visibility in December: 4mi

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 (4mi).

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Fairbanks, Alaska, USA

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