Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
With average temperatures fluctuating between a high of 36.9°F (2.7°C) and a low of 34.2°F (1.2°C), January stands out as the coldest month.Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 76%.Rainfall
In January, the rain falls for 9.1 days. Throughout January, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 173.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 12.2 days and typically aggregates up to 4.72" (120mm) of snow.Daylight
The average length of the day in January is 8h and 25min.On the first day of the month, sunrise is at 9:53 am and sunset at 5:46 pm. On the last day of January, sunrise is at 9:27 am and sunset at 6:32 pm HST.
Sunshine
The average sunshine in January is 2.6h.UV index
The months with the lowest UV index are January through April and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What are the least humid months?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Adak have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Adak, AK
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is August (52°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (33.8°F).
Average pressure in January
Adak, AK
- Average pressure in January: 29.48"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is January (29.48"Hg).
Average wind speed in January
Adak, AK
- Average wind speed in January: 18.8mph
The windiest month (with the highest average wind speed) is February (21.2mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).
Average humidity in January
Adak, AK
- Average humidity in January: 76%
The month with the highest relative humidity is July (94%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in January
Adak, AK
- Average rainfall in January: 2.56"
The wettest month (with the highest rainfall) is February (2.8").
The driest month (with the least rainfall) is June (1.3").
Average rainfall days in January
Adak, AK
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in January
Adak, AK
- Average snowfall in January: 4.72"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Adak, AK
- Average snowfall days in January: 12.2 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Adak, AK
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is October (Average sunshine: 5h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in January
Adak, AK
- Average sunshine days in January: 8.2 days
The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in January
Adak, AK
- Average UV index in January: 1
The months with the highest UV index are July, August and September (UV index 3).
The months with the lowest UV index are January, February, March, April and December (UV index 1).
Average cloud cover in January
Adak, AK
- Average cloud cover in January: 72
The month with the most cloud cover is July (Cloud cover 85).
The month with the least cloud cover is October (Cloud cover 63).
Average visibility in January
Adak, AK
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August and December (5mi).
Adak, Alaska, USA
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