December weather forecast
Tetlin Junction, AK

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Weather in December

December, the first month of the winter in Tetlin Junction, is still a polar cold month, with an average temperature varying between -7.6°F (-22°C) and 2.3°F (-16.5°C).

Temperature

Tetlin Junction's weather subtly changes with the onset of December, barely falling from an extreme cold 9°F (-12.8°C) in November to an arctic cold 2.3°F (-16.5°C). Tetlin Junction records an average temperature drop to a dangerously cold -7.6°F (-22°C) in December.

Humidity

The average relative humidity in December is 92%.

Rainfall

In Tetlin Junction, in December, during 1.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Tetlin Junction, during the entire year, the rain falls for 82.1 days and collects up to 7.56" (192mm) of precipitation.

Snowfall

Months with snowfall are January through May, August through December. In Tetlin Junction, during December, snow falls for 11.2 days and regularly aggregates up to 2.09" (53mm) of snow. Throughout the year, in Tetlin Junction, there are 84.1 snowfall days, and 17.28" (439mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 4h and 48min of daylight.
On the first day of the month, sunrise is at 9:40 am and sunset at 2:59 pm. On the last day of December, sunrise is at 10:09 am and sunset at 2:58 pm AKST.

Sunshine

December has the least sunshine of the year, with an average of 1.6h of sunshine.

UV index

February, March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 1 during December leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Tetlin Junction, 2.3°F (-16.5°C) is the average high-temperature and -7.6°F (-22°C) is the average low-temperature during December.

What is the average humidity in December?

In December, the average relative humidity is 92%.

How much does it rain in December?

In Tetlin Junction, in December, during 1.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

How much does it snow in December?

In Tetlin Junction, in December, snow falls for 11.2 days, with typically accumulated 2.09" (53mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 4h and 48min of daylight.

How many hours of daylight does Tetlin Junction have in December?

In Tetlin Junction, the average day length in December is 4h and 47min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 9:40 am and sunset at 2:59 pm. On the last day of the month, sunrise is at 10:09 am and sunset at 2:58 pm AKST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 1.6h of sunshine.

How long on average sun shines in December?

In Tetlin Junction, Alaska, the average sunshine duration in December is 1.6h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Tetlin Junction, AK

Average temperature in December - Tetlin Junction, AK
  • Average high temperature in December: 2.3°F

The warmest month (with the highest average high temperature) is July (69.4°F).
The month with the lowest average high temperature is January (-0.2°F).

  • Average low temperature in December: -7.6°F

The month with the highest average low temperature is July (49.8°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).

Average pressure in December
Tetlin Junction, AK

Average pressure in December - Tetlin Junction, AK
  • Average pressure in December: 29.89"Hg

The month with the highest atmospheric pressure is February (30"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).

Average wind speed in December
Tetlin Junction, AK

Average wind speed in December - Tetlin Junction, AK
  • Average wind speed in December: 3.9mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is March (3.8mph).

Average humidity in December
Tetlin Junction, AK

Average humidity in December - Tetlin Junction, 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 (53%).

Average rainfall in December
Tetlin Junction, AK

Average rainfall in December - Tetlin Junction, AK
  • Average rainfall in December: 0.28"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is March (0.24").

Average rainfall days in December
Tetlin Junction, AK

Average rainfall days in December - Tetlin Junction, AK
  • Average rainfall days in December: 1.3 days

The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is December (1.3 days).

Average snowfall in December
Tetlin Junction, AK

Average snowfall in December - Tetlin Junction, AK
  • Average snowfall in December: 2.09"

The month with the highest snowfall is November (3.39").
The months with the least snowfall are June and July (0").

Average snowfall days in December
Tetlin Junction, AK

Average snowfall days in December - Tetlin Junction, AK
  • Average snowfall days in December: 11.2 days

The month with the highest number of snowfall days is November (15.1 days).
The months with the least snowfall days are June and July (0 days).

Average daylight in December /
Average sunshine in December
Tetlin Junction, AK

Average daylight in December / Average sunshine in December - Tetlin Junction, AK
  • Average daylight in December: 4h and 5min

The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).

  • Average sunshine in December: 1h and 4min

The month with the most sunshine is June (Average sunshine: 13h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Average sunshine days in December
Tetlin Junction, AK

Average sunshine days in December - Tetlin Junction, AK
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (12.5 days).

Average UV index in December
Tetlin Junction, AK

Average UV index in December - Tetlin Junction, AK
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).

Average cloud cover in December
Tetlin Junction, AK

Average cloud cover in December - Tetlin Junction, AK
  • Average cloud cover in December: 57

The months with the most cloud cover are March and November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Tetlin Junction, AK

Average visibility in December - Tetlin Junction, 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).

Tetlin Junction, Alaska, USA

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