Annual Weather Averages Near Seattle
Averages are for Seattle Boeing Field, which is 7 miles from Seattle.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Seattle
High Temp: 77 °F
Low Temp: 37 °F
Mean Temp: 54 °F
Precipitation: 2.57"
Humidity: 72%
Dew Point: 44 °F
Wind: 9 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Seattle
High Temp: 48 °F
Low Temp: 37 °F
Mean Temp: 43 °F
Precipitation: 4.41"
Humidity: 81%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Seattle
High Temp: 50 °F
Low Temp: 37 °F
Mean Temp: 44 °F
Precipitation: 3.09"
Humidity: 76%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Seattle
High Temp: 54 °F
Low Temp: 40 °F
Mean Temp: 47 °F
Precipitation: 3.26"
Humidity: 73%
Dew Point: 38 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Seattle
High Temp: 59 °F
Low Temp: 44 °F
Mean Temp: 52 °F
Precipitation: 2.20"
Humidity: 68%
Dew Point: 41 °F
Wind: 10 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Seattle
High Temp: 66 °F
Low Temp: 50 °F
Mean Temp: 58 °F
Precipitation: 1.56"
Humidity: 65%
Dew Point: 46 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Seattle
High Temp: 71 °F
Low Temp: 54 °F
Mean Temp: 63 °F
Precipitation: 1.07"
Humidity: 63%
Dew Point: 49 °F
Wind: 9 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Seattle
High Temp: 77 °F
Low Temp: 58 °F
Mean Temp: 68 °F
Precipitation: 0.39"
Humidity: 61%
Dew Point: 53 °F
Wind: 8 mph
Pressure: 30.05 "Hg
Visibility: 12 mi
August Climate & Weather Averages in Seattle
High Temp: 77 °F
Low Temp: 59 °F
Mean Temp: 68 °F
Precipitation: 0.57"
Humidity: 62%
Dew Point: 54 °F
Wind: 8 mph
Pressure: 30.02 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Seattle
High Temp: 71 °F
Low Temp: 54 °F
Mean Temp: 63 °F
Precipitation: 1.28"
Humidity: 68%
Dew Point: 51 °F
Wind: 8 mph
Pressure: 30.02 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Seattle
High Temp: 61 °F
Low Temp: 47 °F
Mean Temp: 54 °F
Precipitation: 3.05"
Humidity: 78%
Dew Point: 47 °F
Wind: 8 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Seattle
High Temp: 53 °F
Low Temp: 41 °F
Mean Temp: 47 °F
Precipitation: 5.10"
Humidity: 81%
Dew Point: 41 °F
Wind: 9 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Seattle
High Temp: 47 °F
Low Temp: 37 °F
Mean Temp: 42 °F
Precipitation: 4.86"
Humidity: 82%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 30.08 "Hg
Visibility: 9 mi