December weather forecast
Clam Gulch, AK

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Weather in December

The first month of the winter, December, is still a freezing cold month in Clam Gulch, Alaska, with temperature in the range of an average high of 26.2°F (-3.2°C) and an average low of 20.3°F (-6.5°C).

Temperature

Clam Gulch's weather in December, with an average high-temperature of a still freezing cold 26.2°F (-3.2°C), subtly shifts from November's 30°F (-1.1°C). Clam Gulch's evenings during December maintain an average temperature of 20.3°F (-6.5°C), aligning closely with the daytime temperatures.

Humidity

The average relative humidity in December is 88%.

Rainfall

In Clam Gulch, in December, it is raining for 9.7 days, with typically 2.48" (63mm) of accumulated precipitation. In Clam Gulch, during the entire year, the rain falls for 167.3 days and collects up to 24.65" (626mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Clam Gulch. December is the month with the most snowfall. Snow falls for 15.6 days and accumulates 10.43" (265mm) of snow.

Daylight

The month with the shortest days is December, with an average of 6h and 0min of daylight.
On the first day of the month, sunrise is at 9:44 am and sunset at 4:05 pm. On the last day of December, in Clam Gulch, sunrise is at 10:09 am and sunset at 4:08 pm AKST.

Sunshine

December has the least sunshine of the year in Clam Gulch, with an average of 3.1h of sunshine.

UV index

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 26.2°F (-3.2°C) and 20.3°F (-6.5°C) respectively.

What is the average humidity in December?

In Clam Gulch, the average relative humidity in December is 88%.

How many days does it rain in December?

In Clam Gulch, in December, during 9.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 15.6 days and typically aggregates up to 10.43" (265mm) of snow.

How much does it snow in December?

In Clam Gulch, in December, during 15.6 snowfall days, 10.43" (265mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 6h and 0min of daylight.

What is the average length of the day in December?

The average day length in December is 5h and 58min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 9:44 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 10:09 am and sunset at 4:08 pm AKST.

What is the month with the least sunshine?

With an average of 3.1h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Clam Gulch have in December?

In Clam Gulch, the average sunshine duration in December is 3.1h.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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
Clam Gulch, AK

Average temperature in December - Clam Gulch, AK
  • Average high temperature in December: 26.2°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average pressure in December
Clam Gulch, AK

Average pressure in December - Clam Gulch, AK
  • Average pressure in December: 29.63"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.63"Hg).

Average wind speed in December
Clam Gulch, AK

Average wind speed in December - Clam Gulch, AK
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January, November and December (8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in December
Clam Gulch, AK

Average humidity in December - Clam Gulch, AK
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (70%).

Average rainfall in December
Clam Gulch, AK

Average rainfall in December - Clam Gulch, AK
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is October (3.39").
The driest months (with the least rainfall) are March and May (1.34").

Average rainfall days in December
Clam Gulch, AK

Average rainfall days in December - Clam Gulch, AK
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is September (19.7 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in December
Clam Gulch, AK

Average snowfall in December - Clam Gulch, AK
  • Average snowfall in December: 10.43"

The month with the highest snowfall is December (10.43").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Clam Gulch, AK

Average snowfall days in December - Clam Gulch, AK
  • Average snowfall days in December: 15.6 days

The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Clam Gulch, AK

Average daylight in December / Average sunshine in December - Clam Gulch, AK
  • Average daylight in December: 6h and 0min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in December
Clam Gulch, AK

Average sunshine days in December - Clam Gulch, AK
  • Average sunshine days in December: 10.5 days

The months with the most sunshine days are January and March (13.2 days).
The month with the least sunshine days is September (8.9 days).

Average UV index in December
Clam Gulch, AK

Average UV index in December - Clam Gulch, AK
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and October (UV index 1).

Average cloud cover in December
Clam Gulch, AK

Average cloud cover in December - Clam Gulch, AK
  • Average cloud cover in December: 56

The month with the most cloud cover is December (Cloud cover 56).
The months with the least cloud cover are June and July (Cloud cover 46).

Average visibility in December
Clam Gulch, AK

Average visibility in December - Clam Gulch, AK
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).

Clam Gulch, Alaska, USA

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