December weather forecast and climate
Douglas, AK

Weather in December

December, the first month of the winter, in Douglas, is also a subzero cold month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 25.7°F (-3.5°C).

Temperature

January and December, with an average high-temperature of 25.7°F (-3.5°C), are the coldest months.

Humidity

In Douglas, the average relative humidity in December is 90%.

Rainfall

In Douglas, during 5.8 rainfall days, 8.98" (228mm) of precipitation is typically accumulated. In Douglas, during the entire year, the rain falls for 172.4 days and collects up to 85.87" (2181mm) of precipitation.

Snowfall

Months with snowfall in Douglas are January through May, October through December. The month with the most snowfall in Douglas is December when snow falls for 21.8 days and typically aggregates up to 62.8" (1595mm) of snow.

Daylight

December has the shortest days of the year in Douglas, with an average of 6.5h of daylight.

Sunshine

In Douglas, Alaska, the average sunshine is 2.9h.

UV index

Months with the lowest UV index in Douglas are January, April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Douglas?

The coldest months in Douglas are January and December, with an average high-temperature of 25.7°F (-3.5°C).

What is the temperature in December in Douglas?

In December, in Douglas, Alaska, the average high-temperature is 25.7°F (-3.5°C), and the average low-temperature is 19°F (-7.2°C).

What is the average humidity in December in Douglas?

In December, the average relative humidity in Douglas is 90%.

How many days does it rain in December in Douglas?

In Douglas, during December, the rain falls for 5.8 days and regularly aggregates up to 8.98" (228mm) of precipitation.

How many days does it snow in December in Douglas?

In Douglas, Alaska, during December, snow falls for 21.8 days and regularly aggregates up to 62.8" (1595mm) of snow.

When does it snow the most in Douglas?

December is the month with the most snowfall in Douglas, Alaska. Snow falls for 21.8 days and accumulates 62.8" (1595mm) of snow.

What is the month with the shortest days in Douglas?

The month with the shortest days in Douglas, Alaska, is December, with an average of 6.5h of daylight.

How many hours of daylight does Douglas have in December?

In December, the average length of the day in Douglas is 6.5h.

How many hours of sunshine does Douglas have in December?

In December, the average sunshine in Douglas, Alaska, is 2.9h.

When is the lowest UV index in Douglas?

Months with the lowest UV index in Douglas, Alaska, are January, April, October through December, with an average maximum UV index of 1.

What is the UV index intensity in December in Douglas?

In December, the average daily maximum UV index in Douglas is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Douglas, AK

Average temperature in December - Douglas, AK
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (55.8°F).
Months with the lowest average high temperature are January and December (25.7°F).

  • Average low temperature in December: 19°F

The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

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Average pressure in December
Douglas, AK

Average pressure in December - Douglas, AK
  • Average pressure in December: 29.87"

The month with the highest atmospheric pressure is July (30.03").
The month with the lowest atmospheric pressure is November (29.8").

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Average wind speed in December
Douglas, AK

Average wind speed in December - Douglas, AK
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

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Average humidity in December
Douglas, AK

Average humidity in December - Douglas, AK
  • Average humidity in December: 90%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (86%).

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Average rainfall in December
Douglas, AK

Average rainfall in December - Douglas, AK
  • Average rainfall in December: 8.98"

The wettest month (with the highest rainfall) is October (9.88").
The driest month (with the least rainfall) is May (4.13").

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Average rainfall days in December
Douglas, AK

Average rainfall days in December - Douglas, AK
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is September (21.9 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in December
Douglas, AK

Average snowfall in December - Douglas, AK
  • Average snowfall in December: 62.8"

The month with the highest snowfall is December (62.8").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Douglas, AK

Average snowfall days in December - Douglas, AK
  • Average snowfall days in December: 21.8 days

The month with the highest number of snowfall days is January (21.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Douglas, AK

Average daylight in December / Average sunshine in December - Douglas, AK
  • Average daylight in December: 6.5h

The month with the longest days is June (Average daylight: 18.2h).
The month with the shortest days is December (Average daylight: 6.5h).

  • Average sunshine in December: 2.9h

The month with the most sunshine is June (Average sunshine: 6.4h).
The month with the least sunshine is November (Average sunshine: 2.6h).

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Average sunshine days in December
Douglas, AK

Average sunshine days in December - Douglas, AK
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is May (10 days).
The month with the least sunshine days is November (6.1 days).

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Average UV index in December
Douglas, AK

Average UV index in December - Douglas, AK
  • Average UV index in December: 1

Months with the highest UV index are May and July (UV index 3).
Months with the lowest UV index are January, April, October, November and December (UV index 1).

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Average cloud cover in December
Douglas, AK

Average cloud cover in December - Douglas, AK
  • Average cloud cover in December: 71

Months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 61).

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Average visibility in December
Douglas, AK

Average visibility in December - Douglas, AK
  • Average visibility in December: 4mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

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