Annual mean
Annual mean of daily highs
Annual mean of daily lows
Sitka city and borough, Alaska
Official LSAD Designation: Sitka city and borough • Census GEOID: 0270540
• Sitka City and Borough
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Sitka city and borough.
Reference Weather Station: SITKA 1 NE, AK US (ID: USW00025379)
• Located 9.5 miles from community center
• Elevation: 23.8 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 37.1° | 29.2° | 33.1° | 9.58" |
| February | 39.0° | 29.5° | 34.2° | 6.48" |
| March | 41.6° | 29.9° | 35.8° | 6.43" |
| April | 48.7° | 33.9° | 41.3° | 5.01" |
| May | 54.3° | 39.2° | 46.7° | 4.05" |
| June | 58.1° | 45.1° | 51.6° | 3.63" |
| July | 60.4° | 49.8° | 55.1° | 5.53" |
| August | 61.8° | 49.6° | 55.7° | 9.61" |
| September | 57.3° | 45.4° | 51.4° | 13.78" |
| October | 49.1° | 38.8° | 44.0° | 14.79" |
| November | 41.5° | 32.7° | 37.1° | 12.14" |
| December | 37.9° | 30.2° | 34.1° | 11.03" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station SITKA 1 NE, AK US (ID: USW00025379) • 9.5 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 44.0 | 49.7 | 38.2 |
| 2011 | Unavailable | Unavailable | Unavailable |
| 2012 | 42.1 | 47.3 | 37.0 |
| 2013 | 44.0 | 49.4 | 38.6 |
| 2014 | 44.3 | 50.2 | 38.5 |
| 2015 | 45.3 | 50.9 | 39.7 |
| 2016 | 46.0 | 51.8 | 40.3 |
| 2017 | 42.9 | 48.6 | 37.3 |
| 2018 | 44.7 | 50.6 | 38.8 |
| 2019 | 45.0 | 51.1 | 39.0 |
| 2020 | 43.3 | 48.7 | 37.9 |
| 2021 | 42.7 | 47.8 | 37.5 |
| 2022 | 43.8 | 49.4 | 38.2 |
| 2023 | 44.5 | 49.9 | 39.1 |
| 2024 | 43.6 | 49.2 | 38.1 |
| 2025 | 43.8 | 49.2 | 38.4 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.