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
January, known for its average high temperature of 34.7°F (1.5°C) and an average low temperature of 30.4°F (-0.9°C), is the coldest month.Humidity
In Sitka, the average relative humidity in January is 87%.Rainfall
In Sitka, in January, during 20.8 rainfall days, 9.13" (232mm) of precipitation is typically accumulated. In Sitka, during the entire year, the rain falls for 243.6 days and collects up to 82.76" (2102mm) of precipitation.Snowfall
Months with snowfall in Sitka are January through May, October through December. In Sitka, in January, during 8.4 snowfall days, 11.89" (302mm) of snow is typically accumulated. Throughout the year, in Sitka, there are 52.4 snowfall days, and 63.58" (1615mm) of snow is accumulated.Daylight
In January, the average length of the day is 7h and 32min.On the first day of the month, sunrise is at 8:39 am and sunset at 3:30 pm. On the last day of January, sunrise is at 8:02 am and sunset at 4:26 pm AKST.
Sunshine
With an average of 2.7h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in Sitka in January?
How much does it snow in January?
How many hours of daylight does Sitka have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine in Sitka?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Sitka, AK
- Average high temperature in January: 34.7°F
The warmest month (with the highest average high temperature) is August (57.9°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is February (29.7°F).
Average pressure in January
Sitka, AK
- Average pressure in January: 29.77"Hg
The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).
Average wind speed in January
Sitka, AK
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in January
Sitka, AK
- Average humidity in January: 87%
The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (83%).
Average rainfall in January
Sitka, AK
- Average rainfall in January: 9.13"
The wettest month (with the highest rainfall) is November (10.16").
The driest month (with the least rainfall) is May (3.82").
Average rainfall days in January
Sitka, AK
- Average rainfall days in January: 20.8 days
The month with the highest number of rainy days is October (23.5 days).
The month with the least rainy days is February (14.6 days).
Average snowfall in January
Sitka, AK
- Average snowfall in January: 11.89"
The month with the highest snowfall is March (17.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Sitka, AK
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sitka, AK
- Average daylight in January: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Sitka, AK
- Average sunshine days in January: 6.2 days
The month with the most sunshine days is May (8.8 days).
The month with the least sunshine days is June (4.8 days).
Average UV index in January
Sitka, AK
- Average UV index in January: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Sitka, AK
- Average cloud cover in January: 72
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are February, May and September (Cloud cover 60).
Average visibility in January
Sitka, AK
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, September, October, November and December (6mi).
The months with the lowest visibility are January, June, July and August (5mi).
Sitka, Alaska, USA
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