Port Alsworth
Alaska, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Port Alsworth, AK

The first month of the winter, December, is also a subzero cold month in Port Alsworth, Alaska, with temperature in the range of an average low of 9°F (-12.8°C) and an average high of 24.4°F (-4.2°C).

Temperature

In December, the average high-temperature slightly decreases, from 30.7°F (-0.7°C) in November, to a still freezing cold 24.4°F (-4.2°C). The average low-temperature, in December, is 9°F (-12.8°C).

Rainfall

In Port Alsworth, it is raining for 9 days, with typically 1.1" (28.2mm) of accumulated precipitation. Throughout the year, there are 96 rainfall days, and 14.9" (378.8mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Port Alsworth, Alaska, are January through May, September through December. December is the month with the most snowfall, with 17.6" (447mm) of accumulated snow.

Daylight

With an average of 6h of daylight, December has the shortest days of the year in Port Alsworth.

What is the temperature in December in Port Alsworth?

In Port Alsworth, in December, the average high-temperature is 24.4°F (-4.2°C), and the average low-temperature is 9°F (-12.8°C).

How much does it rain in Port Alsworth in December?

In Port Alsworth, Alaska, in December, during 9 rainfall days, 1.1" (28.2mm) of precipitation is typically accumulated.

How much does it snow in Port Alsworth in December?

Throughout December, in Port Alsworth, Alaska, 17.6" (447mm) of snow is accumulated.

When does it snow the most in Port Alsworth?

December is the month with the most snowfall in Port Alsworth, Alaska, with 17.6" (447mm) of accumulated snow.

What is the month with the shortest days in Port Alsworth?

December has the shortest days of the year in Port Alsworth, Alaska, with an average of 6h of daylight.

How many hours of daylight does Port Alsworth have in December?

The average length of the day in December in Port Alsworth is 6h.
Average temperature in December - Port Alsworth, AK
  • Average high temperature in December: 24.5°F

The warmest month (with the highest average high temperature) is July (67.4°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in December: 8.9°F

The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average rainfall in December - Port Alsworth, AK
  • Average rainfall in December: 1.1"

Wettest months (with the highest rainfall) are August and September (2.4").
The driest month (with the lowest rainfall) is May (0.5").

Average rainfall days in December - Port Alsworth, AK
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is August (11 days).
The month with the lowest number of rainy days is May (5 days).

Average snowfall in December - Port Alsworth, AK
  • Average snowfall in December: 17.6"

The month with the highest snowfall is December (17.6").
Months with the lowest snowfall are June, July and August (0").

Average daylight in December - Port Alsworth, AK
  • Average daylight in December: 6h

The month with the longest days is June (Average daylight: 18.8h).
The month with shortest days is December (Average daylight: 6h).