December weather forecastBarrow, AK
December
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 is a festive month.Temperature
The average high-temperature decreases in December, shifting from a frigid cold 13.5°F (-10.3°C) in November to an arctic cold -0°F (-17.8°C). Barrow documents a consistent average low-temperature of -7.1°F (-21.7°C) at night during December.Humidity
The months with the highest humidity are January through March and December, with an average relative humidity of 95%.Rainfall
In December, the rain falls for 0.6 days. Throughout December, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 58.5 rainfall days, and 6.81" (173mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Barrow, Alaska, in December, during 15.1 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Barrow, during the entire year, snow falls for 125.6 days and aggregates up to 17.13" (435mm) of snow.Ocean temperature
January through June and December, with an average ocean temperature of 28.4°F (-2°C), are months with the coldest seawater.Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.
Daylight
June, July and December, with an average of 0h and 0min of daylight, are months with the shortest days.Sunshine
The month with the least sunshine is December, with an average of 0.3h of sunshine.UV index
The months with the lowest UV index are January through March, May, August, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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 18min
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).
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).
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).
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).
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).
