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Climate & Weather Averages in Arlington, Washington, USA

Currently: 42 °F. Clear. (Weather station: Arlington Municipal, USA). See more current weather

Annual Weather Averages in Arlington

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Arlington

High Temp: 76 °F

Low Temp: 32 °F

Mean Temp: 50 °F

Precipitation: 4.01"

Humidity: 77%

Dew Point: 43 °F

Wind: 10 mph

Pressure: 30.05 "Hg

Visibility: 10 mi

January Climate & Weather Averages in Arlington

High Temp: 47 °F

Low Temp: 33 °F

Mean Temp: 40 °F

Precipitation: 5.81"

Humidity: 84%

Dew Point: 35 °F

Wind: 11 mph

Pressure: 30.05 "Hg

Visibility: 10 mi

February Climate & Weather Averages in Arlington

High Temp: 49 °F

Low Temp: 32 °F

Mean Temp: 41 °F

Precipitation: 4.60"

Humidity: 79%

Dew Point: 34 °F

Wind: 10 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

March Climate & Weather Averages in Arlington

High Temp: 53 °F

Low Temp: 35 °F

Mean Temp: 44 °F

Precipitation: 4.94"

Humidity: 77%

Dew Point: 37 °F

Wind: 12 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

April Climate & Weather Averages in Arlington

High Temp: 58 °F

Low Temp: 39 °F

Mean Temp: 49 °F

Precipitation: 4.32"

Humidity: 74%

Dew Point: 40 °F

Wind: 11 mph

Pressure: 30.05 "Hg

Visibility: 11 mi

May Climate & Weather Averages in Arlington

High Temp: 65 °F

Low Temp: 44 °F

Mean Temp: 54 °F

Precipitation: 3.24"

Humidity: 73%

Dew Point: 45 °F

Wind: 10 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

June Climate & Weather Averages in Arlington

High Temp: 70 °F

Low Temp: 49 °F

Mean Temp: 59 °F

Precipitation: 2.66"

Humidity: 71%

Dew Point: 49 °F

Wind: 10 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

July Climate & Weather Averages in Arlington

High Temp: 76 °F

Low Temp: 51 °F

Mean Temp: 63 °F

Precipitation: 1.13"

Humidity: 70%

Dew Point: 53 °F

Wind: 10 mph

Pressure: 30.06 "Hg

Visibility: 12 mi

August Climate & Weather Averages in Arlington

High Temp: 76 °F

Low Temp: 51 °F

Mean Temp: 64 °F

Precipitation: 1.26"

Humidity: 71%

Dew Point: 53 °F

Wind: 9 mph

Pressure: 30.03 "Hg

Visibility: 11 mi

September Climate & Weather Averages in Arlington

High Temp: 70 °F

Low Temp: 47 °F

Mean Temp: 59 °F

Precipitation: 2.47"

Humidity: 76%

Dew Point: 50 °F

Wind: 9 mph

Pressure: 30.03 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Arlington

High Temp: 60 °F

Low Temp: 41 °F

Mean Temp: 50 °F

Precipitation: 4.93"

Humidity: 82%

Dew Point: 45 °F

Wind: 9 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Arlington

High Temp: 51 °F

Low Temp: 36 °F

Mean Temp: 43 °F

Precipitation: 6.67"

Humidity: 84%

Dew Point: 39 °F

Wind: 11 mph

Pressure: 30.05 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Arlington

High Temp: 45 °F

Low Temp: 32 °F

Mean Temp: 38 °F

Precipitation: 6.13"

Humidity: 85%

Dew Point: 34 °F

Wind: 10 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthAugust (64 °F avg)
Coldest MonthDecember (38 °F avg)
Wettest MonthNovember (6.67" avg)
Windiest MonthMarch (12 mph avg)
Annual precip.48.15" (per year)

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