December weather forecastSuntrana, AK
December
Weather in December
December, the first month of the winter in Suntrana, is also a frigid cold month, with an average temperature ranging between min -2.6°F (-19.2°C) and max 7.9°F (-13.4°C).Temperature
Suntrana's weather in December displays an average high-temperature of a still frigid cold 7.9°F (-13.4°C), showing minor disparity from November's 12.4°F (-10.9°C). An average low-temperature of -2.6°F (-19.2°C) marks the nights throughout December.Humidity
The average relative humidity in December is 91%.Rainfall
In December, the rain falls for 1.5 days. Throughout December, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 106.3 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
January through May, August through December are months with snowfall. In Suntrana, during December, snow falls for 10.3 days and regularly aggregates up to 3.11" (79mm) of snow. Throughout the year, there are 93.4 snowfall days, and 35.94" (913mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 4h and 30min of daylight.On the first day of December, sunrise is at 10:11 am and sunset at 3:17 pm. On the last day of the month, sunrise is at 10:42 am and sunset at 3:15 pm AKST.
Sunshine
January and December, with an average of 3.3h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Suntrana, AK
- Average high temperature in December: 7.9°F
The warmest month (with the highest average high temperature) is July (62.8°F).
The month with the lowest average high temperature is January (4.6°F).
- Average low temperature in December: -2.6°F
The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (-6.3°F).
Average pressure in December
Suntrana, AK
- Average pressure in December: 29.81"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The month with the lowest atmospheric pressure is September (29.76"Hg).
Average wind speed in December
Suntrana, AK
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest months (with the lowest average wind speed) are March and November (4.6mph).
Average humidity in December
Suntrana, AK
- Average humidity in December: 91%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (64%).
Average rainfall in December
Suntrana, AK
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Suntrana, AK
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is June (19.6 days).
The months with the least rainy days are February and December (1.5 days).
Average snowfall in December
Suntrana, AK
- Average snowfall in December: 3.11"
The month with the highest snowfall is March (6.89").
The months with the least snowfall are June and July (0").
Average snowfall days in December
Suntrana, AK
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is March (17.4 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Suntrana, AK
- Average daylight in December: 4h and 30min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in December
Suntrana, AK
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in December
Suntrana, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Suntrana, AK
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 42).
Average visibility in December
Suntrana, AK
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January and March (3mi).





