January weather forecastSusitna, AK
January
Weather in January
January, the same as December, in Susitna, Alaska, is another subzero cold winter month, with an average temperature fluctuating between 19.6°F (-6.9°C) and 12.9°F (-10.6°C).Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 19.6°F (-6.9°C) and a low of 12.9°F (-10.6°C).Humidity
In Susitna, the average relative humidity in January is 85%.Rainfall
In Susitna, in January, during 6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 112.1 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In January, it is snowing for 7.8 days. Throughout January, 1.18" (30mm) of snow is accumulated. Throughout the year, there are 46.9 snowfall days, and 10.94" (278mm) of snow is accumulated.Daylight
In Susitna, the average length of the day in January is 6h and 30min.On the first day of the month, sunrise is at 10:19 am and sunset at 3:52 pm. On the last day of January, sunrise is at 9:27 am and sunset at 5:04 pm AKST.
Sunshine
In January, the average sunshine in Susitna is 3.7h.UV index
In Susitna, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Susitna, AK
- Average high temperature in January: 19.6°F
The warmest month (with the highest average high temperature) is July (63.3°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in January: 12.9°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in January
Susitna, AK
- Average pressure in January: 29.7"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.67"Hg).
Average wind speed in January
Susitna, AK
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in January
Susitna, AK
- Average humidity in January: 85%
The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is May (66%).
Average rainfall in January
Susitna, AK
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is September (1.22").
The driest month (with the least rainfall) is June (0.31").
Average rainfall days in January
Susitna, AK
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is September (16.2 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Susitna, AK
- Average snowfall in January: 1.18"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Susitna, AK
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is December (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Susitna, AK
- Average daylight in January: 6h and 30min
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 30min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in January
Susitna, AK
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is September (11.2 days).
Average UV index in January
Susitna, AK
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Susitna, AK
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 51).
The months with the least cloud cover are May and June (Cloud cover 42).
Average visibility in January
Susitna, AK
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





