December weather forecastChugiak, AK
December
Weather in December
December, the first month of the winter in Chugiak, is still a freezing cold month, with an average temperature ranging between max 21.6°F (-5.8°C) and min 12.6°F (-10.8°C).Temperature
December's average high-temperature is a still subzero cold 21.6°F (-5.8°C), maintaining a close comparison with November's 25.7°F (-3.5°C). Chugiak, during the month of December, experiences an average low-temperature of 12.6°F (-10.8°C).Humidity
The average relative humidity in December in Chugiak is 86%.Rainfall
In Chugiak, during December, the rain falls for 10.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Chugiak, during the entire year, the rain falls for 147 days and collects up to 13.27" (337mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 10.9 days and typically aggregates up to 5.98" (152mm) of snow.Daylight
The month with the shortest days is December, with an average of 5h and 36min of daylight.On the first day of December, sunrise is at 9:47 am and sunset at 3:47 pm. On the last day of the month, sunrise is at 10:13 am and sunset at 3:48 pm AKST.
Sunshine
With an average of 3.9h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chugiak, AK
- Average high temperature in December: 21.6°F
The warmest month (with the highest average high temperature) is July (63.1°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in December: 12.6°F
The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in December
Chugiak, AK
- Average pressure in December: 29.69"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.69"Hg).
Average wind speed in December
Chugiak, AK
- Average wind speed in December: 4.6mph
The windiest months (with the highest average wind speed) are January and December (4.6mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).
Average humidity in December
Chugiak, AK
- Average humidity in December: 86%
The months with the highest relative humidity are February and March (87%).
The month with the lowest relative humidity is May (65%).
Average rainfall in December
Chugiak, AK
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is May (0.63").
Average rainfall days in December
Chugiak, AK
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Chugiak, AK
- Average snowfall in December: 5.98"
The month with the highest snowfall is December (5.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Chugiak, AK
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Chugiak, AK
- Average daylight in December: 5h and 36min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Chugiak, AK
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is January (17.2 days).
The month with the least sunshine days is August (10.2 days).
Average UV index in December
Chugiak, AK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Chugiak, AK
- Average cloud cover in December: 44
The months with the most cloud cover are April, August and December (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 37).
Average visibility in December
Chugiak, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).





