December weather forecast
Kwethluk, AK

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Weather in December

The first month of the winter, December, is still a freezing cold month in Kwethluk, Alaska, with an average temperature fluctuating between 16.7°F (-8.5°C) and 7.9°F (-13.4°C).

Temperature

The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's subzero cold 23.2°F (-4.9°C) to a still freezing cold 16.7°F (-8.5°C). In December, Kwethluk temperatures settle at a low of 7.9°F (-13.4°C) during the nights, reflecting a minor change from daytime highs.

Humidity

The average relative humidity in December is 90%.

Rainfall

In Kwethluk, in December, during 5.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 129.5 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Kwethluk, in December, snow falls for 12.8 days, with typically accumulated 3.5" (89mm) of snow. Throughout the year, there are 74.8 snowfall days, and 22.91" (582mm) of snow is accumulated.

Daylight

With an average of 5h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 10:29 am and sunset at 4:40 pm. On the last day of December, sunrise is at 10:55 am and sunset at 4:42 pm AKST.

Sunshine

December has the least sunshine of the year, with an average of 2.7h of sunshine.

UV index

February, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 1 during December translates into the following guidance:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

How cold is December?

In December, in Kwethluk, the average high-temperature is 16.7°F (-8.5°C), and the average low-temperature is 7.9°F (-13.4°C).

What is the average humidity in December?

The average relative humidity in December in Kwethluk is 90%.

How many days does it rain in December in Kwethluk?

In Kwethluk, in December, during 5.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 12.8 days. Throughout December, 3.5" (89mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 5h and 48min of daylight.

How many hours of daylight does Kwethluk have in December?

In Kwethluk, the average day length in December is 5h and 46min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 10:29 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 10:55 am and sunset at 4:42 pm AKST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 2.7h of sunshine.

How long on average sun shines in December?

In Kwethluk, the average sunshine duration in December is 2.7h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Kwethluk, AK

Average temperature in December - Kwethluk, AK
  • Average high temperature in December: 16.7°F

The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (12.2°F).

  • Average low temperature in December: 7.9°F

The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

Average pressure in December
Kwethluk, AK

Average pressure in December - Kwethluk, AK
  • Average pressure in December: 29.64"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

Average wind speed in December
Kwethluk, AK

Average wind speed in December - Kwethluk, AK
  • Average wind speed in December: 12.1mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in December
Kwethluk, AK

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

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).

Average rainfall in December
Kwethluk, AK

Average rainfall in December - Kwethluk, AK
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").

Average rainfall days in December
Kwethluk, AK

Average rainfall days in December - Kwethluk, AK
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).

Average snowfall in December
Kwethluk, AK

Average snowfall in December - Kwethluk, AK
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Kwethluk, AK

Average snowfall days in December - Kwethluk, AK
  • Average snowfall days in December: 12.8 days

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Kwethluk, AK
  • Average daylight in December: 5h and 5min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in December
Kwethluk, AK

Average sunshine days in December - Kwethluk, AK
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).

Average UV index in December
Kwethluk, AK

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

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March and December (UV index 1).

Average cloud cover in December
Kwethluk, AK

Average cloud cover in December - Kwethluk, AK
  • Average cloud cover in December: 62

The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).

Average visibility in December
Kwethluk, AK

Average visibility in December - Kwethluk, AK
  • Average visibility in December: 6mi

The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).

Kwethluk, Alaska, USA

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