Annual Weather Averages in Unalaska
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Unalaska
High Temp: 15 °C
Low Temp: -2 °C
Mean Temp: 5 °C
Precipitation: 123.8 mm
Humidity: 76%
Dew Point: 1 °C
Wind: 32 km/h
Pressure: 1008 mbar
Visibility: 14 km
一月 Climate & Weather Averages in Unalaska
High Temp: 3 °C
Low Temp: -2 °C
Mean Temp: 1 °C
Precipitation: 163.8 mm
Humidity: 75%
Dew Point: -3 °C
Wind: 37 km/h
Pressure: 1000 mbar
Visibility: 13 km
二月 Climate & Weather Averages in Unalaska
High Temp: 4 °C
Low Temp: -1 °C
Mean Temp: 2 °C
Precipitation: 128.0 mm
Humidity: 75%
Dew Point: -2 °C
Wind: 36 km/h
Pressure: 1003 mbar
Visibility: 13 km
三月 Climate & Weather Averages in Unalaska
High Temp: 4 °C
Low Temp: -1 °C
Mean Temp: 1 °C
Precipitation: 116.9 mm
Humidity: 74%
Dew Point: -3 °C
Wind: 36 km/h
Pressure: 1008 mbar
Visibility: 13 km
四月 Climate & Weather Averages in Unalaska
High Temp: 6 °C
Low Temp: 0 °C
Mean Temp: 3 °C
Precipitation: 87.5 mm
Humidity: 75%
Dew Point: -1 °C
Wind: 35 km/h
Pressure: 1008 mbar
Visibility: 14 km
五月 Climate & Weather Averages in Unalaska
High Temp: 8 °C
Low Temp: 3 °C
Mean Temp: 6 °C
Precipitation: 98.9 mm
Humidity: 77%
Dew Point: 1 °C
Wind: 29 km/h
Pressure: 1011 mbar
Visibility: 15 km
六月 Climate & Weather Averages in Unalaska
High Temp: 11 °C
Low Temp: 6 °C
Mean Temp: 9 °C
Precipitation: 63.0 mm
Humidity: 79%
Dew Point: 5 °C
Wind: 25 km/h
Pressure: 1013 mbar
Visibility: 15 km
七月 Climate & Weather Averages in Unalaska
High Temp: 14 °C
Low Temp: 8 °C
Mean Temp: 11 °C
Precipitation: 57.9 mm
Humidity: 82%
Dew Point: 7 °C
Wind: 23 km/h
Pressure: 1015 mbar
Visibility: 14 km
八月 Climate & Weather Averages in Unalaska
High Temp: 15 °C
Low Temp: 9 °C
Mean Temp: 12 °C
Precipitation: 75.7 mm
Humidity: 80%
Dew Point: 8 °C
Wind: 25 km/h
Pressure: 1014 mbar
Visibility: 15 km
九月 Climate & Weather Averages in Unalaska
High Temp: 12 °C
Low Temp: 7 °C
Mean Temp: 10 °C
Precipitation: 137.7 mm
Humidity: 76%
Dew Point: 5 °C
Wind: 32 km/h
Pressure: 1009 mbar
Visibility: 15 km
十月 Climate & Weather Averages in Unalaska
High Temp: 9 °C
Low Temp: 4 °C
Mean Temp: 6 °C
Precipitation: 196.9 mm
Humidity: 73%
Dew Point: 2 °C
Wind: 37 km/h
Pressure: 1005 mbar
Visibility: 15 km
十一月 Climate & Weather Averages in Unalaska
High Temp: 6 °C
Low Temp: 1 °C
Mean Temp: 4 °C
Precipitation: 164.2 mm
Humidity: 73%
Dew Point: -1 °C
Wind: 38 km/h
Pressure: 1005 mbar
Visibility: 14 km
十二月 Climate & Weather Averages in Unalaska
High Temp: 4 °C
Low Temp: -1 °C
Mean Temp: 2 °C
Precipitation: 194.9 mm
Humidity: 74%
Dew Point: -2 °C
Wind: 36 km/h
Pressure: 999 mbar
Visibility: 13 km