December weather forecast
Selawik, AK

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Weather in December

The first month of the winter, December, is also an arctic cold month in Selawik, Alaska, with an average temperature fluctuating between 4.1°F (-15.5°C) and -4.2°F (-20.1°C).

Temperature

December brings a slight decrease in the average high-temperature, shifting from an extreme cold 10.9°F (-11.7°C) in November to an arctic cold 4.1°F (-15.5°C). Selawik, during the December nights, maintains an average temperature of -4.2°F (-20.1°C), closely aligned with its daytime readings.

Humidity

The average relative humidity in December is 90%.

Rainfall

In Selawik, in December, during 2.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 85.8 rainfall days, and 12.91" (328mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Selawik, Alaska, during December, snow falls for 14.5 days and regularly aggregates up to 4.84" (123mm) of snow. In Selawik, during the entire year, snow falls for 90.6 days and aggregates up to 33.58" (853mm) of snow.

Daylight

With an average of 2h and 36min of daylight, December has the shortest days of the year.
On the first day of December in Selawik, sunrise is at 11:42 am and sunset at 3:16 pm. On the last day of the month, sunrise is at 12:23 pm and sunset at 3:03 pm AKST.

Sunshine

In December, the average sunshine is 1.1h.

UV index

The months with the lowest UV index in Selawik are January through April, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold is it in Selawik in December?

In December, the average high-temperature and low-temperature in Selawik, Alaska, are 4.1°F (-15.5°C) and -4.2°F (-20.1°C) respectively.

What is the average humidity in December in Selawik?

In Selawik, the average relative humidity in December is 90%.

How many days does it rain in December in Selawik?

In December, in Selawik, Alaska, the rain falls for 2.3 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.

How much does it snow in Selawik in December?

In December, in Selawik, it is snowing for 14.5 days. Throughout December, 4.84" (123mm) of snow is accumulated.

What is the month with the shortest days in Selawik?

The month with the shortest days is December, with an average of 2h and 36min of daylight.

How many hours of daylight does Selawik have in December?

In Selawik, the average day length in December is 2h and 35min.

When is the sunrise / sunset in December in Selawik?

On the first day of December in Selawik, Alaska, sunrise is at 11:42 am and sunset at 3:16 pm. On the last day of the month, sunrise is at 12:23 pm and sunset at 3:03 pm AKST.

How many hours of sunshine does Selawik have in December?

The average sunshine duration in December is 1.1h.

When is the lowest UV index in Selawik?

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

What is the UV index intensity in December in Selawik?

In December, the average daily maximum UV index in Selawik, Alaska, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Selawik, AK

Average temperature in December - Selawik, AK
  • Average high temperature in December: 4.1°F

The warmest month (with the highest average high temperature) is July (62.2°F).
The month with the lowest average high temperature is January (0.7°F).

  • Average low temperature in December: -4.2°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8.1°F).

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Average pressure in December
Selawik, AK

Average pressure in December - Selawik, AK
  • Average pressure in December: 29.84"Hg

The month with the highest atmospheric pressure is March (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).

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Average wind speed in December
Selawik, AK

Average wind speed in December - Selawik, AK
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest month (with the lowest average wind speed) is May (7.1mph).

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Average humidity in December
Selawik, AK

Average humidity in December - Selawik, AK
  • Average humidity in December: 90%

The months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is June (63%).

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Average rainfall in December
Selawik, AK

Average rainfall in December - Selawik, AK
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in December
Selawik, AK

Average rainfall days in December - Selawik, AK
  • Average rainfall days in December: 2.3 days

The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is November (1.4 days).

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Average snowfall in December
Selawik, AK

Average snowfall in December - Selawik, AK
  • Average snowfall in December: 4.84"

The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Selawik, AK

Average snowfall days in December - Selawik, AK
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Selawik, AK
  • Average daylight in December: 2h and 4min

The month with the longest days is May (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 2h and 36min).

  • Average sunshine in December: 1h and 1min

The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 0h and 30min).

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Average sunshine days in December
Selawik, AK

Average sunshine days in December - Selawik, AK
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (12.7 days).

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Average UV index in December
Selawik, AK

Average UV index in December - Selawik, AK
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).

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Average cloud cover in December
Selawik, AK

Average cloud cover in December - Selawik, AK
  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 42).

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Average visibility in December
Selawik, AK

Average visibility in December - Selawik, 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 and December (4mi).

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Selawik, Alaska, USA

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