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Climate & Weather Averages in Seattle, USA

Currently: 49 °F. 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 9 miles from Seattle.

Based on weather reports collected during 1992–2021.

Jan
48
37
4.41
Feb
50
37
3.09
Mar
54
40
3.26
Apr
59
44
2.2
May
66
50
1.56
Jun
71
54
1.07
Jul
77
58
0.39
Aug
77
59
0.57
Sep
71
54
1.28
Oct
61
47
3.05
Nov
53
41
5.1
Dec
47
37
4.86

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

Quick Climate Info

Hottest MonthAugust (68 °F avg)
Coldest MonthDecember (42 °F avg)
Wettest MonthNovember (5.10" avg)
Windiest MonthMarch (10 mph avg)
Annual precip.30.84" (per year)

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