Glennallen
Alaska, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Glennallen, AK

The first month of the winter, December, is still an extremely cold month in Glennallen, Alaska, with temperature in the range of an average low of -13.5°F (-25.3°C) and an average high of 7.3°F (-13.7°C).

Temperature

In Glennallen, Alaska, the average high-temperature in December marginally drops, from a subzero cold 14.7°F (-9.6°C) in November, to a frigid cold 7.3°F (-13.7°C). The average low-temperature, in December, is -13.5°F (-25.3°C).

Rainfall

During December, Glennallen regularly aggregates up to 1.2" (31mm) of precipitation. Throughout the year, in Glennallen, 11.1" (282.5mm) of rain is accumulated.

Snowfall

January through May, September through December are months with snowfall. December is the month with the most snowfall, with 11.2" (284.5mm) of accumulated snow.

Daylight

With an average of 5.3h of daylight, December has the shortest days of the year.

What is the temperature in December in Glennallen?

The average high-temperature, in December, is 7.3°F (-13.7°C), while the average low-temperature is -13.5°F (-25.3°C).

How much does it rain in Glennallen in December?

During December, Glennallen regularly aggregates up to 1.2" (31mm) of precipitation.

How much does it snow in Glennallen in December?

During December, Glennallen regularly aggregates up to 11.2" (284.5mm) of snow.

What is the snowiest month in Glennallen?

December is the month with the most snowfall, with 11.2" (284.5mm) of accumulated snow.

What is the month with the shortest days in Glennallen?

With an average of 5.3h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Glennallen?

In Glennallen, Alaska, the average length of the day in December is 5.3h.
Average temperature in December - Glennallen, AK
  • Average high temperature in December: 7.3°F

The warmest month (with the highest average high temperature) is July (70.6°F).
The month with the lowest average high temperature is January (4.3°F).

  • Average low temperature in December: -13.5°F

The month with the highest average low temperature is July (42.9°F).
The coldest month (with the lowest average low temperature) is January (-17.3°F).

Average rainfall in December - Glennallen, AK
  • Average rainfall in December: 1.2"

Wettest months (with the highest rainfall) are July and August (1.7").
The driest month (with the lowest rainfall) is April (0.2").

Average snowfall in December - Glennallen, AK
  • Average snowfall in December: 11.2"

The month with the highest snowfall is December (11.2").
Months with the lowest snowfall are June, July and August (0").

Average daylight in December - Glennallen, AK
  • Average daylight in December: 5.3h

The month with the longest days is June (Average daylight: 19.6h).
The month with shortest days is December (Average daylight: 5.3h).