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
The coldest period is December, when temperatures fluctuate between an average high of 36.5°F (2.5°C) and a low of 31.3°F (-0.4°C).Humidity
In December, the average relative humidity in Thorne Bay is 88%.Rainfall
In Thorne Bay, during December, the rain falls for 19.5 days and regularly aggregates up to 7.48" (190mm) of precipitation. In Thorne Bay, 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 Thorne Bay. 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
December has the shortest days of the year, with an average of 7h and 6min of daylight.On the first day of the month, sunrise is at 7:56 am and sunset at 3:22 pm. On the last day of December, sunrise is at 8:19 am and sunset at 3:27 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 in Thorne Bay. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 1 in December translates into these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Thorne Bay?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, AK
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 24min).
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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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
Thorne Bay, 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).
Thorne Bay, Alaska, USA
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