Sitka (AK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sitka.
Climate overview of Sitka
Sitka, Alaska, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 16°C (61°F) in August, while winters cool to 3°C (37°F) in January.
The city has a wet climate, receiving around 2504 mm (99 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from August to March, with mild summers and cold winters. October is the wettest month.
Sitka Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sitka - and find the best time to visit.
Monthly Temperature in Sitka
Depending on the time of the year, temperatures range from moderate to chilly in Sitka. On average, daytime temperatures range from a moderate 16°C (61°F) in August to a chilly 3°C (37°F) in January.
Nighttime temperatures range from 11°C (52°F) in August to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sitka
Sitka has a relatively rain/snowy climate with high precipitation levels, averaging 2504 mm (99 in) of rain/snowfall annually. The seasons in Sitka bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 296 mm (12 in) of precipitation. This rainfall is distributed across 25 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 107 mm (4.2 in) over 16 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sitka Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Sitka
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Seasonal pattern: A distinct rainy season from August to March, with mild summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Sitka
What is the best time to visit Sitka?
June, July and August typically offer the most optimal weather in Sitka. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions. Sitka has a distinct rainy season from August to March, with mild summers and cold winters.
What temperatures can I expect in Sitka?
Daytime highs range from 3°C (37°F) in January to 16°C (61°F) in August. Nighttime lows range from -1°C (30°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Sitka get?
Annual rainfall is around 2504 mm (99 in). October is the wettest month with 296 mm (12 in), while June is the driest with 107 mm (4.2 in).
Sitka 3-Day Forecast
Sitka on the map
Sitka is highlighted - select any city to see its climate.
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