WEATHER IN Sitka
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -2 () | 32.4 | 36.5 | 40.5 | 56 () |
| february | -1 () | 32.1 | 36.7 | 41.2 | 67 () |
| march | -1 () | 32.5 | 37.5 | 42.5 | 67 () |
| april | 6 () | 37.2 | 42.6 | 48.1 | 76 () |
| may | 10 (2025) | 43.0 | 48.1 | 53.3 | 82 (2023) |
| june | 26 () | 48.3 | 53.0 | 57.6 | 84 () |
| july | 33 () | 52.5 | 56.5 | 60.4 | 88 () |
| august | 36 () | 52.9 | 57.3 | 61.8 | 86 () |
| september | 28 () | 48.5 | 53.2 | 57.9 | 82 () |
| october | 16 () | 41.9 | 46.4 | 50.8 | 70 () |
| november | 2 () | 35.8 | 40.0 | 44.3 | 65 () |
| december | -5 () | 33.4 | 37.5 | 41.5 | 64 () |
| year | -5 () | 40.9 | 45.4 | 50.0 | 111 (2025) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 8.22 | 4.59 (2018) | 14.28 (2015) | 4.09 (2022) |
| february | 5.93 | 1.73 (2014) | 15.17 (2022) | 4.09 (1988) |
| march | 5.60 | 2.65 (2023) | 10.28 (2021) | 3.19 (1955) |
| april | 4.31 | 2.56 (2022) | 9.80 (2015) | 3.13 (1983) |
| may | 3.81 | 0.34 (2015) | 7.22 (2016) | 3.71 (1952) |
| june | 2.92 | 1.23 (2024) | 5.95 (2014) | 2.36 (1996) |
| july | 4.62 | 1.67 (2021) | 10.63 (2015) | 3.06 (1948) |
| august | 7.25 | 1.62 (2019) | 13.93 (2014) | 4.36 (1961) |
| september | 11.69 | 3.55 (2018) | 17.33 (2023) | 6.17 (1948) |
| october | 11.78 | 4.78 (2016) | 16.80 (2022) | 5.53 (1972) |
| november | 9.91 | 3.11 (2017) | 15.14 (2015) | 4.74 (2005) |
| december | 8.43 | 1.23 (2024) | 5.95 (2014) | 3.88 (2020) |
| year | 84.47 | 63.17 (2018) | 112.71 (2015) | 6.17 (1948) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |