December weather forecast
Thorne Bay, AK

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Weather in December

December in Thorne Bay, Alaska is a winter wonderland, with temperatures dropping to a low of 31.3°F (-0.4°C) and reaching a chilly high of 36.5°F (2.5°C). Characterized by a substantial snowfall of 3.5" (89mm), it transforms the city into a snowy retreat. With high snowfall and freezing temperatures, it's the ideal time for winter enthusiasts to enjoy activities like snowmobiling and skiing. Amidst the holiday season, the city lights up in festive decoration, offering a picturesque view to end the year.

Temperature

Thorne Bay notes the coldest temperatures in December, with a high average of 36.5°F (2.5°C) and a low of 31.3°F (-0.4°C).

Humidity

In December, the average relative humidity is 88%.

Rainfall

In December, the rain falls for 19.5 days. Throughout December, 7.48" (190mm) of precipitation is accumulated. Throughout the year, there are 231.7 rainfall days, and 67.83" (1723mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Thorne Bay, in December, during 6.2 snowfall days, 3.5" (89mm) of snow is typically accumulated. In Thorne Bay, during the entire year, snow falls for 37.2 days and aggregates up to 34.61" (879mm) of snow.

Daylight

With an average of 7h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:56 am and sunset at 3:22 pm. On the last day of the month, 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. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

With average high temperatures of 36.5°F (2.5°C) and lows of 31.3°F (-0.4°C), December is the coldest month.

How cold is it in December?

In Thorne Bay, in December, the average high-temperature is 36.5°F (2.5°C), and the average low-temperature is 31.3°F (-0.4°C).

What is the average humidity in December?

In Thorne Bay, the average relative humidity in December is 88%.

How many days does it rain in December?

In Thorne Bay, in December, during 19.5 rainfall days, 7.48" (190mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Thorne Bay, during December, snow falls for 6.2 days and regularly aggregates up to 3.5" (89mm) of snow.

What is the month with the shortest days in Thorne Bay?

The month with the shortest days is December, with an average of 7h and 6min of daylight.

How many hours of daylight does Thorne Bay have in December?

The average day length in December is 7h and 8min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:56 am and sunset at 3:22 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 3:27 pm AKST.

How many hours of sunshine does Thorne Bay have in December?

In Thorne Bay, Alaska, the average sunshine duration in December is 3h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
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
Thorne Bay, AK

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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