Annual Weather Averages Near Seattle
Averages are for Seattle Boeing Field, which is 11 kilometers from Seattle.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Seattle
High Temp: 25 °C
Low Temp: 3 °C
Mean Temp: 12 °C
Precipitation: 65.3 mm
Humidity: 72%
Dew Point: 7 °C
Wind: 14 km/h
Pressure: 101.75 kPa
Visibility: 17 km
January Climate & Weather Averages in Seattle
High Temp: 9 °C
Low Temp: 3 °C
Mean Temp: 6 °C
Precipitation: 112.1 mm
Humidity: 81%
Dew Point: 3 °C
Wind: 15 km/h
Pressure: 101.82 kPa
Visibility: 14 km
February Climate & Weather Averages in Seattle
High Temp: 10 °C
Low Temp: 3 °C
Mean Temp: 7 °C
Precipitation: 78.4 mm
Humidity: 76%
Dew Point: 3 °C
Wind: 15 km/h
Pressure: 101.78 kPa
Visibility: 16 km
March Climate & Weather Averages in Seattle
High Temp: 12 °C
Low Temp: 5 °C
Mean Temp: 8 °C
Precipitation: 82.7 mm
Humidity: 73%
Dew Point: 4 °C
Wind: 16 km/h
Pressure: 101.74 kPa
Visibility: 17 km
April Climate & Weather Averages in Seattle
High Temp: 15 °C
Low Temp: 7 °C
Mean Temp: 11 °C
Precipitation: 55.8 mm
Humidity: 68%
Dew Point: 5 °C
Wind: 15 km/h
Pressure: 101.75 kPa
Visibility: 17 km
May Climate & Weather Averages in Seattle
High Temp: 19 °C
Low Temp: 10 °C
Mean Temp: 14 °C
Precipitation: 39.5 mm
Humidity: 65%
Dew Point: 8 °C
Wind: 14 km/h
Pressure: 101.71 kPa
Visibility: 18 km
June Climate & Weather Averages in Seattle
High Temp: 22 °C
Low Temp: 12 °C
Mean Temp: 17 °C
Precipitation: 27.2 mm
Humidity: 63%
Dew Point: 10 °C
Wind: 14 km/h
Pressure: 101.70 kPa
Visibility: 18 km
July Climate & Weather Averages in Seattle
High Temp: 25 °C
Low Temp: 15 °C
Mean Temp: 20 °C
Precipitation: 9.9 mm
Humidity: 61%
Dew Point: 12 °C
Wind: 13 km/h
Pressure: 101.75 kPa
Visibility: 19 km
August Climate & Weather Averages in Seattle
High Temp: 25 °C
Low Temp: 15 °C
Mean Temp: 20 °C
Precipitation: 14.5 mm
Humidity: 62%
Dew Point: 12 °C
Wind: 12 km/h
Pressure: 101.65 kPa
Visibility: 18 km
September Climate & Weather Averages in Seattle
High Temp: 22 °C
Low Temp: 12 °C
Mean Temp: 17 °C
Precipitation: 32.5 mm
Humidity: 68%
Dew Point: 11 °C
Wind: 12 km/h
Pressure: 101.66 kPa
Visibility: 17 km
October Climate & Weather Averages in Seattle
High Temp: 16 °C
Low Temp: 8 °C
Mean Temp: 12 °C
Precipitation: 77.6 mm
Humidity: 78%
Dew Point: 8 °C
Wind: 13 km/h
Pressure: 101.82 kPa
Visibility: 15 km
November Climate & Weather Averages in Seattle
High Temp: 11 °C
Low Temp: 5 °C
Mean Temp: 8 °C
Precipitation: 129.5 mm
Humidity: 81%
Dew Point: 5 °C
Wind: 15 km/h
Pressure: 101.78 kPa
Visibility: 15 km
December Climate & Weather Averages in Seattle
High Temp: 9 °C
Low Temp: 3 °C
Mean Temp: 6 °C
Precipitation: 123.6 mm
Humidity: 82%
Dew Point: 3 °C
Wind: 15 km/h
Pressure: 101.87 kPa
Visibility: 15 km