December weather forecast
Douglas, AK

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Weather in December

December, the first month of the winter in Douglas, is still a freezing cold month, with an average temperature ranging between min 19°F (-7.2°C) and max 25.7°F (-3.5°C).

Temperature

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

Humidity

The average relative humidity in December is 90%.

Rainfall

In December, the rain falls for 5.8 days. Throughout December, 8.98" (228mm) of precipitation is accumulated. Throughout the year, there are 172.4 rainfall days, and 85.87" (2181mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 21.8 days and accumulates 62.8" (1595mm) of snow.

Daylight

The month with the shortest days is December, with an average of 6h and 30min of daylight.
On the first day of the month, sunrise is at 8:20 am and sunset at 3:13 pm. On the last day of December, sunrise is at 8:45 am and sunset at 3:17 pm AKST.

Sunshine

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

UV index

The months with the lowest UV index are January, April, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

What month is the coldest in Douglas?

In Douglas, the coldest period comes during January and December, when the average high-temperature touches 25.7°F (-3.5°C).

How cold is it in December?

In December, the average high-temperature and low-temperature are 25.7°F (-3.5°C) and 19°F (-7.2°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 90%.

How many days does it rain in December?

In Douglas, Alaska, in December, during 5.8 rainfall days, 8.98" (228mm) of precipitation is typically accumulated.

What is the snowiest month?

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

How much does it snow in December?

In Douglas, in December, during 21.8 snowfall days, 62.8" (1595mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days in Douglas is December, with an average of 6h and 30min of daylight.

How many hours of daylight does Douglas have in December?

In Douglas, the average day length in December is 6h and 31min.

What time are sunrise and sunset in December in Douglas?

In December, on the first day of the month, sunrise is at 8:20 am and sunset at 3:13 pm. On the last day of the month, sunrise is at 8:45 am and sunset at 3:17 pm AKST.

How long on average sun shines in December?

The average sunshine duration in December is 2.9h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Douglas, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
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).
The 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).

Average pressure in December
Douglas, AK

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

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

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).

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%).

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").

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).

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").
The months with the least snowfall are June, July, August and September (0").

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).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Douglas, AK
  • Average daylight in December: 6h and 3min

The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).

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).

Average UV index in December
Douglas, AK

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

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

Average cloud cover in December
Douglas, AK

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

The 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).

Average visibility in December
Douglas, AK

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

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

Douglas, Alaska, USA

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