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Climate & Weather Averages in Seattle, Washington, USA

Currently: 55 °F. Light rain. Mostly cloudy. (Weather station: Seattle Boeing Field, USA). See more current weather

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

Quick Climate Info

Hottest MonthAugust (68 °F avg)
Coldest MonthDecember (42 °F avg)
Wettest MonthNovember (2.82" avg)
Windiest MonthMarch (6 mph avg)
Annual precip.15.03" (per year)

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