December weather forecast
Susitna, AK

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Weather in December

December, the first month of the winter in Susitna, is also a subzero cold month, with an average temperature ranging between min 16.5°F (-8.6°C) and max 23°F (-5°C).

Temperature

As Susitna transitions from November to December, the average high-temperatures adjust to a still subzero cold 23°F (-5°C), nearly the same as the previous 27.5°F (-2.5°C). Susitna experiences a steady nighttime temperature of 16.5°F (-8.6°C) throughout the month of December.

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Susitna, in December, during 5.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 112.1 rainfall days, and 7.4" (188mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Susitna is December, when snow falls for 9.4 days and typically aggregates up to 2.48" (63mm) of snow.

Daylight

The month with the shortest days in Susitna is December, with an average of 5h and 30min of daylight.
On the first day of December, sunrise is at 9:52 am and sunset at 3:51 pm. On the last day of the month, sunrise is at 10:19 am and sunset at 3:52 pm AKST.

Sunshine

December has the least sunshine of the year, with an average of 3.4h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport 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 it in Susitna in December?

The high-temperature, in December, in Susitna, records 23°F (-5°C), while the low-temperature is 16.5°F (-8.6°C).

What is the average humidity in December in Susitna?

The average relative humidity in December in Susitna is 84%.

How much does it rain in Susitna in December?

In Susitna, Alaska, during December, the rain falls for 5.6 days and regularly aggregates up to 0.59" (15mm) of precipitation.

What is the snowiest month in Susitna?

December is the month with the most snowfall in Susitna, Alaska. Snow falls for 9.4 days and accumulates 2.48" (63mm) of snow.

How many days does it snow in December in Susitna?

In Susitna, Alaska, in December, snow falls for 9.4 days, with typically accumulated 2.48" (63mm) of snow.

What is the month with the shortest days in Susitna?

The month with the shortest days in Susitna, Alaska, is December, with an average of 5h and 30min of daylight.

How many hours of daylight does Susitna have in December?

In December, the average day length in Susitna, Alaska, is 5h and 32min.

When is the sunrise / sunset in December in Susitna?

In December, on the first day of the month, sunrise is at 9:52 am and sunset at 3:51 pm. On the last day of the month, in Susitna, sunrise is at 10:19 am and sunset at 3:52 pm AKST.

What is the month with the least sunshine in Susitna?

The month with the least sunshine is December, with an average of 3.4h of sunshine.

How many hours of sunshine does Susitna have in December?

The average sunshine duration in December in Susitna, Alaska, is 3.4h.

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

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

How high is the UV index in December in Susitna?

The average daily maximum UV index in December in Susitna, Alaska, is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Susitna, AK

Average temperature in December - Susitna, AK
  • Average high temperature in December: 23°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 (19.6°F).

  • Average low temperature in December: 16.5°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in December
Susitna, AK

Average pressure in December - Susitna, AK
  • Average pressure in December: 29.67"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.67"Hg).

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Average wind speed in December
Susitna, AK

Average wind speed in December - Susitna, AK
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in December
Susitna, AK

Average humidity in December - Susitna, AK
  • Average humidity in December: 84%

The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is May (66%).

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Average rainfall in December
Susitna, AK

Average rainfall in December - Susitna, AK
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is September (1.22").
The driest month (with the least rainfall) is June (0.31").

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Average rainfall days in December
Susitna, AK

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

The month with the highest number of rainy days is September (16.2 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in December
Susitna, AK

Average snowfall in December - Susitna, AK
  • Average snowfall in December: 2.48"

The month with the highest snowfall is December (2.48").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Susitna, AK

Average snowfall days in December - Susitna, AK
  • Average snowfall days in December: 9.4 days

The month with the highest number of snowfall days is December (9.4 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
Susitna, AK

Average daylight in December / Average sunshine in December - Susitna, AK
  • Average daylight in December: 5h and 3min

The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 30min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in December
Susitna, AK

Average sunshine days in December - Susitna, AK
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is September (11.2 days).

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Average UV index in December
Susitna, AK

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

The 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
Susitna, AK

Average cloud cover in December - Susitna, AK
  • Average cloud cover in December: 51

The month with the most cloud cover is December (Cloud cover 51).
The months with the least cloud cover are May and June (Cloud cover 42).

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Average visibility in December
Susitna, AK

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

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

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Susitna, Alaska, USA

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