December weather forecast
Coffman Cove, AK

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Fishing boats, forest, and mountain ranges in the Coffman Cove, Alaska
Fishing boats, forest, and mountain ranges in the Coffman Cove, Alaska

Weather in December

The first month of the winter, December, is also a wintry month in Coffman Cove, Alaska, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 36.5°F (2.5°C).

Temperature

In Coffman Cove, the lowest temperatures are generally noted in December, averaging a high of 36.5°F (2.5°C) and a low of 31.3°F (-0.4°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

In December, the rain falls for 19.5 days. Throughout December, 7.48" (190mm) of precipitation is accumulated. In Coffman Cove, during the entire year, the rain falls for 231.7 days and collects up to 67.83" (1723mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 6.2 days. Throughout December, 3.5" (89mm) of snow is accumulated. Throughout the year, there are 37.2 snowfall days, and 34.61" (879mm) of snow is accumulated.

Daylight

With an average of 7h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:59 am and sunset at 3:21 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 3:26 pm AKST.

Sunshine

In December, the average sunshine is 3h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 1 during December translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December is the coldest month, exhibiting average temperatures of 36.5°F (2.5°C) at the peak and 31.3°F (-0.4°C) at the base.

How cold is it in Coffman Cove in December?

Coffman Cove in December has an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 31.3°F (-0.4°C).

What is the average humidity in December?

The average relative humidity in December is 88%.

How much does it rain in Coffman Cove in December?

In Coffman Cove, Alaska, in December, it is raining for 19.5 days, with typically 7.48" (190mm) of accumulated precipitation.

How much does it snow in December?

In Coffman Cove, during December, snow falls for 6.2 days and regularly aggregates up to 3.5" (89mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 7h and 6min of daylight.

What is the average length of the day in December?

In Coffman Cove, the average day length in December is 7h and 4min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:59 am and sunset at 3:21 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 3:26 pm AKST.

How long on average sun shines in December?

In December, the average sunshine duration is 3h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Coffman Cove, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
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
Coffman Cove, AK

Average temperature in December - Coffman Cove, AK
  • Average high temperature in December: 36.5°F

The warmest months (with the highest average high temperature) are July and August (60.4°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is February (30.2°F).

Average pressure in December
Coffman Cove, AK

Average pressure in December - Coffman Cove, AK
  • Average pressure in December: 29.83"Hg

The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).

Average wind speed in December
Coffman Cove, AK

Average wind speed in December - Coffman Cove, AK
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in December
Coffman Cove, AK

Average humidity in December - Coffman Cove, AK
  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are March and May (84%).

Average rainfall in December
Coffman Cove, AK

Average rainfall in December - Coffman Cove, AK
  • Average rainfall in December: 7.48"

The wettest month (with the highest rainfall) is November (8.03").
The driest month (with the least rainfall) is May (2.83").

Average rainfall days in December
Coffman Cove, AK

Average rainfall days in December - Coffman Cove, AK
  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).

Average snowfall in December
Coffman Cove, AK

Average snowfall in December - Coffman Cove, AK
  • Average snowfall in December: 3.5"

The month with the highest snowfall is March (10.35").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Coffman Cove, AK

Average snowfall days in December - Coffman Cove, AK
  • Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is March (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Coffman Cove, AK

Average daylight in December / Average sunshine in December - Coffman Cove, AK
  • Average daylight in December: 7h and 1min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in December: 3h and 0min

The months with the most sunshine are May and September (Average sunshine: 5h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Coffman Cove, AK

Average sunshine days in December - Coffman Cove, AK
  • Average sunshine days in December: 7.9 days

The month with the most sunshine days is July (11.1 days).
The month with the least sunshine days is November (5.3 days).

Average UV index in December
Coffman Cove, AK

Average UV index in December - Coffman Cove, AK
  • Average UV index in December: 1

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Coffman Cove, AK

Average cloud cover in December - Coffman Cove, AK
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is September (Cloud cover 62).

Average visibility in December
Coffman Cove, AK

Average visibility in December - Coffman Cove, AK
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are July and August (4mi).

Coffman Cove, Alaska, USA

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