December weather forecastTonsina, AK
December
Weather in December
The first month of the winter, December, is also a frigid cold month in Tonsina, Alaska, with an average temperature varying between 0.9°F (-17.3°C) and 11.5°F (-11.4°C).Temperature
December's weather records an average high-temperature of an extremely cold 11.5°F (-11.4°C), showing little deviation from November. Tonsina's average low-temperature in the month of December is recorded at an arctic cold 0.9°F (-17.3°C).Humidity
The average relative humidity in December is 89%.Rainfall
In Tonsina, Alaska, in December, it is raining for 5.5 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 81.1 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 11.2 days and typically aggregates up to 4.57" (116mm) of snow.Daylight
With an average of 5h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 9:32 am and sunset at 3:27 pm. On the last day of December, sunrise is at 9:59 am and sunset at 3:28 pm AKST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.9h of sunshine.UV index
January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tonsina, AK
- Average high temperature in December: 11.5°F
The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in December: 0.9°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).
Average pressure in December
Tonsina, AK
- Average pressure in December: 29.78"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The months with the lowest atmospheric pressure are September, October, November and December (29.78"Hg).
Average wind speed in December
Tonsina, AK
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).
Average humidity in December
Tonsina, AK
- Average humidity in December: 89%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).
Average rainfall in December
Tonsina, AK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").
Average rainfall days in December
Tonsina, AK
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is August (11.3 days).
The months with the least rainy days are February and November (3.7 days).
Average snowfall in December
Tonsina, AK
- Average snowfall in December: 4.57"
The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Tonsina, AK
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Tonsina, AK
- Average daylight in December: 5h and 30min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 14h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Tonsina, AK
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).
Average UV index in December
Tonsina, AK
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).
Average cloud cover in December
Tonsina, AK
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Tonsina, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and March (4mi).
