December weather forecast
Barrow, AK

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Weather in December

December brings with it the coldest month of the year, as temperatures dip into bone-chilling lows of -7.1°F (-21.7°C). The Christmas season witnesses a thick cover of snow, further enhancing the dramatic fall in temperature from November. The city finds itself flipped into a polar night, with only about 2.3 daylight hours. Despite the extreme cold and extended darkness, December in Barrow is a festive month.

Temperature

December shows a mild decline in the average high-temperature, falling from November's frigid cold 13.5°F (-10.3°C) to a polar cold -0°F (-17.8°C). Barrow's nighttime temperature in December shows a minor descent, with a steady average of -7.1°F (-21.7°C).

Humidity

The months with the highest humidity are January through March and December, with an average relative humidity of 95%.

Rainfall

In Barrow, in December, during 0.6 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Barrow, Alaska, during the entire year, the rain falls for 58.5 days and collects up to 6.81" (173mm) of precipitation.

Snowfall

January through December are months with snowfall in Barrow. In Barrow, in December, snow falls for 15.1 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, in Barrow, there are 125.6 snowfall days, and 17.13" (435mm) of snow is accumulated.

Ocean temperature

January through June and December, with an average ocean temperature of 28.4°F (-2°C), are months with the coldest seawater in Barrow.
Note: During swimming activities, this is a serious life-threatening hazard. Rapid loss of control over breathing impairs cognitive abilities. A specialized swimsuit is essential to limit thermal wastage.

Daylight

June, July and December, with an average of 0h and 0min of daylight, are months with the shortest days.

Sunshine

December has the least sunshine of the year, with an average of 0.3h of sunshine.

UV index

January through March, May, August, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Barrow. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

How cold is it in Barrow in December?

The high-temperature, in December, in Barrow, records -0°F (-17.8°C), while the low-temperature is -7.1°F (-21.7°C).

What are the most humid months in Barrow?

January through March and December, with an average relative humidity of 95%, are most humid months in Barrow, Alaska.

What is the average humidity in December in Barrow?

In December, the average relative humidity in Barrow is 95%.

How many days does it rain in December in Barrow?

In Barrow, Alaska, in December, during 0.6 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How much does it snow in Barrow in December?

In Barrow, Alaska, in December, during 15.1 snowfall days, 1.73" (44mm) of snow is typically accumulated.

What are the months with the coldest ocean in Barrow?

January through June and December, with an average ocean temperature of 28.4°F (-2°C), are months with the coldest seawater in Barrow.

What is the ocean temperature in December in Barrow?

In Barrow, Alaska, in December, the average water temperature is 28.4°F (-2°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What are the months with the shortest days in Barrow?

June, July and December, with an average of 0h and 0min of daylight, are months with the shortest days in Barrow, Alaska.

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

The average day length in December in Barrow, Alaska, is 0h and 0min.

What is the month with the least sunshine in Barrow?

With an average of 0.3h of sunshine, December has the least sunshine of the year in Barrow, Alaska.

How many hours of sunshine does Barrow have in December?

In December, the average sunshine duration in Barrow, Alaska, is 0.3h.

What are the months with the lowest UV index in Barrow?

January through March, May, August, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Barrow.

What is the UV index intensity in December in Barrow?

In December, the average daily maximum UV index in Barrow is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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
Barrow, AK

Average temperature in December - Barrow, AK
  • Average high temperature in December: 0°F

The warmest month (with the highest average high temperature) is July (43.3°F).
The month with the lowest average high temperature is January (-3.3°F).

  • Average low temperature in December: -7.1°F

The month with the highest average low temperature is July (37°F).
The coldest month (with the lowest average low temperature) is January (-11.2°F).

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Average pressure in December
Barrow, AK

Average pressure in December - Barrow, AK
  • Average pressure in December: 30.03"Hg

The months with the highest atmospheric pressure are January and March (30.09"Hg).
The month with the lowest atmospheric pressure is September (29.85"Hg).

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Average wind speed in December
Barrow, AK

Average wind speed in December - Barrow, AK
  • Average wind speed in December: 12.1mph

The windiest month (with the highest average wind speed) is October (15.3mph).
The calmest month (with the lowest average wind speed) is May (10.6mph).

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Average humidity in December
Barrow, AK

Average humidity in December - Barrow, AK
  • Average humidity in December: 95%

The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (82%).

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Average rainfall in December
Barrow, AK

Average rainfall in December - Barrow, AK
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is January (0.2").

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Average rainfall days in December
Barrow, AK

Average rainfall days in December - Barrow, AK
  • Average rainfall days in December: 0.6 days

The month with the highest number of rainy days is August (11.9 days).
The month with the least rainy days is December (0.6 days).

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Average snowfall in December
Barrow, AK

Average snowfall in December - Barrow, AK
  • Average snowfall in December: 1.73"

The month with the highest snowfall is October (3.15").
The month with the least snowfall is July (0.08").

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Average snowfall days in December
Barrow, AK

Average snowfall days in December - Barrow, AK
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is November (16.9 days).
The month with the least snowfall days is July (1.3 days).

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Average sea temperature in December
Barrow, AK

Average sea temperature in December - Barrow, AK
  • Average sea temperature in December: 28°F

The best months for swimming (with the highest average sea temperature) are August and September (36°F).
The coldest months (with the lowest average sea temperature) are January, February, March, April, May, June and December (28°F).

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Average daylight in December /
Average sunshine in December
Barrow, AK

Average daylight in December / Average sunshine in December - Barrow, AK
  • Average daylight in December: 0h and 0min

The month with the longest days is August (Average daylight: 18h and 48min).
The months with the shortest days are June, July and December (Average daylight: 0h and 0min).

  • Average sunshine in December: 0h and 2min

The month with the most sunshine is April (Average sunshine: 6h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).

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Average sunshine days in December
Barrow, AK

Average sunshine days in December - Barrow, AK
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is October (7.9 days).

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Average UV index in December
Barrow, AK

Average UV index in December - Barrow, AK
  • Average UV index in December: 1

The months with the highest UV index are April, June, July and September (UV index 2).
The months with the lowest UV index are January, February, March, May, August, October, November and December (UV index 1).

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Average cloud cover in December
Barrow, AK

Average cloud cover in December - Barrow, AK
  • Average cloud cover in December: 84

The month with the most cloud cover is December (Cloud cover 84).
The month with the least cloud cover is June (Cloud cover 47).

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Average visibility in December
Barrow, AK

Average visibility in December - Barrow, AK
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January and March (4mi).

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Barrow, Alaska, USA

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