December weather forecast and climate
Wasilla, AK

The famed Chugach Mountain Ranges in Wasilla, Alaska
The famed Chugach Mountain Ranges in Wasilla, Alaska

Weather in December

The first month of the winter, December, is still a freezing cold month in Wasilla, Alaska, with temperature in the range of an average low of 11.3°F (-11.5°C) and an average high of 20.3°F (-6.5°C).

Temperature

In December, the average high-temperature is practically the same as in November - a still subzero cold 20.3°F (-6.5°C). In Wasilla, the average low-temperature is 11.3°F (-11.5°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Wasilla, Alaska, during 8.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 124.6 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Wasilla, Alaska, are January through May, October through December. The month with the most snowfall is December when snow falls for 8.6 days and typically aggregates up to 2.64" (67mm) of snow.

Daylight

December has the shortest days of the year in Wasilla, with an average of 5.5h of daylight.

Sunshine

The month with the least sunshine in Wasilla, Alaska, is December, with an average of 4h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Wasilla?

In December, in Wasilla, Alaska, the average high-temperature is 20.3°F (-6.5°C), and the average low-temperature is 11.3°F (-11.5°C).

What is the average humidity in December in Wasilla?

The average relative humidity in December in Wasilla is 85%.

How much does it rain in Wasilla in December?

In Wasilla, in December, during 8.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in December in Wasilla?

In Wasilla, in December, during 8.6 snowfall days, 2.64" (67mm) of snow is typically accumulated.

What is the snowiest month in Wasilla?

December is the month with the most snowfall in Wasilla. Snow falls for 8.6 days and accumulates 2.64" (67mm) of snow.

What is the month with the shortest days in Wasilla?

With an average of 5.5h of daylight, December has the shortest days of the year.

How many hours of daylight does Wasilla have in December?

In December, the average length of the day is 5.5h.

What is the month with the least sunshine in Wasilla?

With an average of 4h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Wasilla have in December?

The average sunshine in December in Wasilla is 4h.

When is the lowest UV index in Wasilla?

With an average maximum UV index of 1, December is the month with the lowest UV index in Wasilla, Alaska.

What is the UV index reading in December in Wasilla?

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

Average temperature in December
Wasilla, AK

Average temperature in December - Wasilla, AK
  • Average high temperature in December: 20.3°F

The warmest month (with the highest average high temperature) is July (63.3°F).
The month with the lowest average high temperature is January (18.3°F).

  • Average low temperature in December: 11.3°F

The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure in December
Wasilla, AK

Average pressure in December - Wasilla, AK
  • Average pressure in December: 29.69"

The month with the highest atmospheric pressure is July (29.96").
The month with the lowest atmospheric pressure is December (29.69").

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Average wind speed in December
Wasilla, AK

Average wind speed in December - Wasilla, AK
  • Average wind speed in December: 4.8mph

The windiest months (with the highest average wind speed) are January, November and December (4.8mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity in December
Wasilla, AK

Average humidity in December - Wasilla, AK
  • Average humidity in December: 85%

The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is May (65%).

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Average rainfall in December
Wasilla, AK

Average rainfall in December - Wasilla, AK
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in December
Wasilla, AK

Average rainfall days in December - Wasilla, AK
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in December
Wasilla, AK

Average snowfall in December - Wasilla, AK
  • Average snowfall in December: 2.64"

The month with the highest snowfall is December (2.64").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Wasilla, AK

Average snowfall days in December - Wasilla, AK
  • Average snowfall days in December: 8.6 days

The month with the highest number of snowfall days is February (9.8 days).
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
Wasilla, AK

Average daylight in December / Average sunshine in December - Wasilla, AK
  • Average daylight in December: 5.5h

The month with the longest days is June (Average daylight: 19.4h).
The month with the shortest days is December (Average daylight: 5.5h).

  • Average sunshine in December: 4h

The month with the most sunshine is May (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 4h).

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Average sunshine days in December
Wasilla, AK

Average sunshine days in December - Wasilla, AK
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in December
Wasilla, AK

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

Months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Wasilla, AK

Average cloud cover in December - Wasilla, AK
  • Average cloud cover in December: 43

Months with the most cloud cover are April and August (Cloud cover 44).
Months with the least cloud cover are January and May (Cloud cover 37).

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Average visibility in December
Wasilla, AK

Average visibility in December - Wasilla, AK
  • Average visibility in December: 5mi

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).

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