Barter Island
Alaska, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Barter Island, AK

December, the first month of the winter, in Barter Island, is a dangerously cold month, with temperature in the range of an average high of -5.8°F (-21°C) and an average low of -18.2°F (-27.9°C).

Temperature

In December, the average high-temperature decreases, from an extreme cold 5.2°F (-14.9°C) in November, to a dangerously cold -5.8°F (-21°C). In Barter Island, the average low-temperature is -18.2°F (-27.9°C).

Rainfall

During December, Barter Island regularly aggregates up to 0.3" (6.6mm) of precipitation. Throughout the year, 6.2" (157.5mm) of rain is accumulated.

Snowfall

January through December are months with snowfall in Barter Island, Alaska. Throughout December, in Barter Island, 3.4" (86mm) of snow is accumulated. Throughout the year, in Barter Island, Alaska, 41.8" (1062mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 0h of daylight.

What is the temperature in December in Barter Island?

In December, the average high-temperature is -5.8°F (-21°C), and the average low-temperature is -18.2°F (-27.9°C).

How much does it rain in Barter Island in December?

In Barter Island, Alaska, in December, 0.3" (6.6mm) of precipitation is typically accumulated.

How much does it snow in Barter Island in December?

Throughout December, 3.4" (86mm) of snow is accumulated.

What is the month with the shortest days in Barter Island?

December has the shortest days of the year, with an average of 0h of daylight.

How many hours of daylight does Barter Island have in December?

The average length of the day in December is 0h.
Average temperature in December - Barter Island, AK
  • Average high temperature in December: -5.8°F

The warmest month (with the highest average high temperature) is July (45.3°F).
The month with the lowest average high temperature is February (-13.9°F).

  • Average low temperature in December: -18.2°F

The month with the highest average low temperature is July (34.9°F).
The coldest month (with the lowest average low temperature) is February (-26.3°F).

Average rainfall in December - Barter Island, AK
  • Average rainfall in December: 0.3"

The wettest month (with the highest rainfall) is August (1.1").
Driest months (with the lowest rainfall) are February, March and April (0.2").

Average snowfall in December - Barter Island, AK
  • Average snowfall in December: 3.4"

The month with the highest snowfall is October (9.2").
The month with the lowest snowfall is July (0.5").

Average daylight in December - Barter Island, AK
  • Average daylight in December: 0h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).