Updated October 2026
Sitka National Historical Park Weather by Month
Sitka National Historical Park is warmest in August, when the nearest NOAA climate station averages a high of 62°F and a low of 50°F, and coldest in January, with an average high of 37°F and an average low of 29°F. October is the wettest month, with about 14.8 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 0.8 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Sitka National Historical Park can differ from these, particularly with elevation.
Warmest month
Aug
62°F avg high
Coldest month
Jan
29°F avg low
Wettest month
Oct
14.8 in avg
Longest days
Jun
17.6 h of daylight
Average weather at Sitka by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 37°F | 29°F | 9.6 in | 7.1 h |
| February | 39°F | 30°F | 6.5 in | 9.2 h |
| March | 42°F | 30°F | 6.4 in | 11.4 h |
| April | 49°F | 34°F | 5.0 in | 14.0 h |
| May | 54°F | 39°F | 4.1 in | 16.2 h |
| June | 58°F | 45°F | 3.6 in | 17.6 h |
| July | 60°F | 50°F | 5.5 in | 17.0 h |
| August | 62°F | 50°F | 9.6 in | 15.0 h |
| September | 57°F | 45°F | 13.8 in | 12.5 h |
| October | 49°F | 39°F | 14.8 in | 10.0 h |
| November | 42°F | 33°F | 12.1 in | 7.7 h |
| December | 38°F | 30°F | 11.0 in | 6.4 h |
| Year total | 102.0 in |
NOAA 1991–2020 climate normals from station USW00025379, 0.8 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Sitka is at that time of year.
Sitka weather by season
Winter: December to February
Average highs hold near 38°F in all three months, with average lows near 30°F. The average low is at or below freezing in all three months. Together the three months average 27.1 inches of precipitation, about 27% of the yearly total. Daylight is at its shortest, about 6.4 hours in December.
Spring: March to May
Average highs climb from 42°F in March to 54°F in May, with average lows between 30°F and 39°F. The average low is at or below freezing in March. Together the three months average 15.5 inches of precipitation, about 15% of the yearly total and less than in any other season. Daylight lengthens from about 11.4 hours in March to 16.2 in May.
Summer: June to August
Average highs climb from 58°F in June to 62°F in August, with average lows between 45°F and 50°F. Together the three months average 18.7 inches of precipitation, about 18% of the yearly total. Daylight is at its longest, about 17.6 hours in June.
Fall: September to November
Average highs fall from 57°F in September to 42°F in November, with average lows between 33°F and 45°F. Together the three months average 40.7 inches of precipitation, about 40% of the yearly total and more than in any other season. Daylight shortens from about 12.5 hours in September to 7.7 in November.
What the National Park Service says about the weather
Sitka experiences a temperate maritime climate, characterized by heavy precipitation and a small temperature range between seasons. Summer temperatures range from high 50s to high 60s F with frequent rain. Winter is rainy and snowy with temperatures from the high teens to the 40s F. Well prepared visitors will have rain gear and layered clothing at any time of year.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Sitka
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 57.05°N, 135.32°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Sitka National Historical Park →
Weather and crowds together
August, the warmest month, sees about 2.2× the visitors of the park's average month. July is the busiest month of the year and December the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Sitka National Historical Park. For hotels, cabins and rentals close to the park, see where to stay near Sitka.
Where to stay near Sitka
Picked a month for Sitka National Historical Park? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Sitka
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
August is the warmest month at Sitka National Historical Park, with an average high of 62°F and an average low of 50°F. That is the 1991–2020 average at the nearest long-record NOAA station, 0.8 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Sitka National Historical Park, with an average low of 29°F and an average high of 37°F, based on NOAA 1991–2020 climate normals.
October is the wettest month, with about 14.8 inches of precipitation. June is the driest, at about 3.6 inches. The station records about 102 inches of precipitation in an average year.
Daylight at Sitka National Historical Park runs from about 6.4 hours a day in December to about 17.6 hours in June, computed from the park's latitude.
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00025379), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.