Sitka Weather in August
Average highs run from 62°F on August 1 to 60°F on August 31, and lows from 51°F to 48°F. Normal precipitation for the month is 9.61 in over about 21 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 62°F
- Average low
- 50°F
- Precipitation
- 9.61 in
- Record high
- 84°FAug 18, 1950
- Record low
- 37°FAug 25, 1948
- Chance of a freeze
- 0%
- Daylight
- 16 h 14 min to 13 h 58 min
- Cloud cover
- 76%
- Humidity
- 89%
- Dew point
- 53°F
- Wind
- 9.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 62°F | 51°F | 71°F 1994 | 46°F 1949 | 61% |
| Aug 2 | 62°F | 51°F | 78°F 1962 | 47°F 1998 | 62% |
| Aug 3 | 62°F | 51°F | 78°F 1994 | 44°F 1975 | 62% |
| Aug 4 | 62°F | 51°F | 79°F 2024 | 49°F 1948 | 62% |
| Aug 5 | 62°F | 51°F | 77°F 1968 | 45°F 1991 | 62% |
| Aug 6 | 62°F | 51°F | 75°F 1968 | 41°F 1991 | 63% |
| Aug 7 | 62°F | 51°F | 71°F 2003 | 46°F 1991 | 63% |
| Aug 8 | 62°F | 51°F | 78°F 1993 | 47°F 1961 | 63% |
| Aug 9 | 62°F | 50°F | 80°F 2005 | 45°F 1966 | 64% |
| Aug 10 | 62°F | 50°F | 83°F 2004 | 42°F 1966 | 64% |
| Aug 11 | 62°F | 50°F | 78°F 1980 | 46°F 1949 | 64% |
| Aug 12 | 62°F | 50°F | 83°F 1990 | 48°F 1962 | 65% |
| Aug 13 | 62°F | 50°F | 80°F 1952 | 46°F 2011 | 65% |
| Aug 14 | 62°F | 50°F | 80°F 1952 | 45°F 1945 | 66% |
| Aug 15 | 62°F | 50°F | 82°F 2004 | 45°F 1973 | 66% |
| Aug 16 | 62°F | 50°F | 80°F 1957 | 42°F 1973 | 66% |
| Aug 17 | 62°F | 50°F | 72°F 1973 | 42°F 1945 | 67% |
| Aug 18 | 62°F | 50°F | 84°F 1950 | 42°F 1945 | 67% |
| Aug 19 | 62°F | 49°F | 75°F 1977 | 44°F 2019 | 67% |
| Aug 20 | 62°F | 49°F | 73°F 1950 | 44°F 1986 | 68% |
| Aug 21 | 62°F | 49°F | 73°F 1945 | 43°F 1955 | 68% |
| Aug 22 | 62°F | 49°F | 75°F 1945 | 39°F 1945 | 68% |
| Aug 23 | 62°F | 49°F | 73°F 1978 | 44°F 1969 | 68% |
| Aug 24 | 61°F | 49°F | 77°F 1987 | 40°F 1948 | 69% |
| Aug 25 | 61°F | 49°F | 75°F 1988 | 37°F 1948 | 69% |
| Aug 26 | 61°F | 49°F | 74°F 1975 | 38°F 1948 | 69% |
| Aug 27 | 61°F | 48°F | 73°F 1966 | 42°F 1984 | 69% |
| Aug 28 | 61°F | 48°F | 76°F 1983 | 42°F 1948 | 70% |
| Aug 29 | 61°F | 48°F | 76°F 1974 | 43°F 1948 | 70% |
| Aug 30 | 61°F | 48°F | 70°F 1981 | 40°F 1960 | 70% |
| Aug 31 | 60°F | 48°F | 69°F 2000 | 41°F 1973 | 70% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (AKDT).
- August 1
- sunrise 5:00 AM, sunset 9:14 PM
- August 31
- sunrise 6:02 AM, sunset 8:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00025379 (Sitka 1 Ne), public domain. Records: NOAA GHCN-Daily, station USW00025333, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.