Annual Weather Averages Near Seattle
Averages are for Seattle Boeing Field, which is 7 miles from Seattle.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Seattle
High Temp: 77 °F
Low Temp: 37 °F
Mean Temp: 54 °F
Precipitation: 1.25"
Humidity: 72%
Dew Point: 44 °F
Wind: 5 mph
Pressure: 30.05 "Hg
Visibility: 11 mi
January Climate & Weather Averages in Seattle
High Temp: 48 °F
Low Temp: 37 °F
Mean Temp: 43 °F
Precipitation: 2.30"
Humidity: 81%
Dew Point: 37 °F
Wind: 6 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Seattle
High Temp: 51 °F
Low Temp: 38 °F
Mean Temp: 44 °F
Precipitation: 1.46"
Humidity: 76%
Dew Point: 37 °F
Wind: 5 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: 1.79"
Humidity: 73%
Dew Point: 39 °F
Wind: 6 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Seattle
High Temp: 59 °F
Low Temp: 44 °F
Mean Temp: 51 °F
Precipitation: 1.07"
Humidity: 69%
Dew Point: 41 °F
Wind: 6 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
May Climate & Weather Averages in Seattle
High Temp: 65 °F
Low Temp: 49 °F
Mean Temp: 57 °F
Precipitation: 0.63"
Humidity: 66%
Dew Point: 45 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
June Climate & Weather Averages in Seattle
High Temp: 71 °F
Low Temp: 54 °F
Mean Temp: 62 °F
Precipitation: 0.36"
Humidity: 64%
Dew Point: 49 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
July Climate & Weather Averages in Seattle
High Temp: 76 °F
Low Temp: 58 °F
Mean Temp: 67 °F
Precipitation: 0.08"
Humidity: 61%
Dew Point: 52 °F
Wind: 5 mph
Pressure: 30.04 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Seattle
High Temp: 77 °F
Low Temp: 58 °F
Mean Temp: 68 °F
Precipitation: 0.11"
Humidity: 62%
Dew Point: 54 °F
Wind: 5 mph
Pressure: 30.02 "Hg
Visibility: 13 mi
September Climate & Weather Averages in Seattle
High Temp: 71 °F
Low Temp: 54 °F
Mean Temp: 63 °F
Precipitation: 0.34"
Humidity: 69%
Dew Point: 51 °F
Wind: 4 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Seattle
High Temp: 61 °F
Low Temp: 47 °F
Mean Temp: 54 °F
Precipitation: 1.40"
Humidity: 78%
Dew Point: 47 °F
Wind: 5 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Seattle
High Temp: 52 °F
Low Temp: 41 °F
Mean Temp: 47 °F
Precipitation: 2.82"
Humidity: 81%
Dew Point: 41 °F
Wind: 6 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: 2.68"
Humidity: 82%
Dew Point: 37 °F
Wind: 5 mph
Pressure: 30.09 "Hg
Visibility: 9 mi