Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December records an average high-temperature of a still cold 36.5°F (2.5°C), indicating a minor variation from the preceding month. The nights of December are characterized by an average low-temperature of 32.9°F (0.5°C), subtly descending from daytime highs.Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the most rainfall. Rain falls for 12.4 days and accumulates 2.72" (69mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9 days. Throughout December, 2.95" (75mm) of snow is accumulated. Throughout the year, there are 47.3 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
With an average of 7h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 9:54 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 10:16 am and sunset at 5:31 pm AKST.
Sunshine
December has the least sunshine of the year, with an average of 2.2h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the rainiest month in Cold Bay?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index reading in December in Cold Bay?
Average temperature in December
Cold Bay, AK
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is August (54.1°F).
The month with the lowest average high temperature is March (33.4°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is March (28.4°F).
Average pressure in December
Cold Bay, AK
- Average pressure in December: 29.52"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The months with the lowest atmospheric pressure are January and December (29.52"Hg).
Average wind speed in December
Cold Bay, AK
- Average wind speed in December: 16.7mph
The windiest month (with the highest average wind speed) is December (16.7mph).
The calmest month (with the lowest average wind speed) is July (9.9mph).
Average humidity in December
Cold Bay, AK
- Average humidity in December: 81%
The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is November (80%).
Average rainfall in December
Cold Bay, AK
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is December (2.72").
The driest month (with the least rainfall) is March (1.54").
Average rainfall days in December
Cold Bay, AK
- Average rainfall days in December: 12.4 days
The months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Cold Bay, AK
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cold Bay, AK
- Average snowfall days in December: 9 days
The months with the highest number of snowfall days are February and December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cold Bay, AK
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in December
Cold Bay, AK
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is January (13.8 days).
The months with the least sunshine days are February and December (9.3 days).
Average UV index in December
Cold Bay, AK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in December
Cold Bay, AK
- Average cloud cover in December: 69
The month with the most cloud cover is July (Cloud cover 71).
The months with the least cloud cover are March and October (Cloud cover 63).
Average visibility in December
Cold Bay, AK
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Cold Bay, Alaska, USA
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