December weather forecastDouglas, AK
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 6h and 30min
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 54min
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: 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: 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: 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: 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).
