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Climate & Weather Averages in Arlington, Washington, USA

Currently: 5 °C. 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: 25 °C

Low Temp: 0 °C

Mean Temp: 10 °C

Precipitation: 101.9 mm

Humidity: 77%

Dew Point: 6 °C

Wind: 16 km/h

Pressure: 101.75 kPa

Visibility: 17 km

January Climate & Weather Averages in Arlington

High Temp: 8 °C

Low Temp: 0 °C

Mean Temp: 4 °C

Precipitation: 147.5 mm

Humidity: 84%

Dew Point: 2 °C

Wind: 17 km/h

Pressure: 101.77 kPa

Visibility: 16 km

February Climate & Weather Averages in Arlington

High Temp: 9 °C

Low Temp: 0 °C

Mean Temp: 5 °C

Precipitation: 116.9 mm

Humidity: 79%

Dew Point: 1 °C

Wind: 16 km/h

Pressure: 101.74 kPa

Visibility: 17 km

March Climate & Weather Averages in Arlington

High Temp: 12 °C

Low Temp: 2 °C

Mean Temp: 7 °C

Precipitation: 125.6 mm

Humidity: 77%

Dew Point: 3 °C

Wind: 19 km/h

Pressure: 101.72 kPa

Visibility: 17 km

April Climate & Weather Averages in Arlington

High Temp: 15 °C

Low Temp: 4 °C

Mean Temp: 9 °C

Precipitation: 109.7 mm

Humidity: 74%

Dew Point: 4 °C

Wind: 18 km/h

Pressure: 101.76 kPa

Visibility: 17 km

May Climate & Weather Averages in Arlington

High Temp: 18 °C

Low Temp: 7 °C

Mean Temp: 12 °C

Precipitation: 82.3 mm

Humidity: 73%

Dew Point: 7 °C

Wind: 16 km/h

Pressure: 101.74 kPa

Visibility: 18 km

June Climate & Weather Averages in Arlington

High Temp: 21 °C

Low Temp: 9 °C

Mean Temp: 15 °C

Precipitation: 67.4 mm

Humidity: 71%

Dew Point: 9 °C

Wind: 16 km/h

Pressure: 101.74 kPa

Visibility: 18 km

July Climate & Weather Averages in Arlington

High Temp: 24 °C

Low Temp: 11 °C

Mean Temp: 17 °C

Precipitation: 28.8 mm

Humidity: 70%

Dew Point: 11 °C

Wind: 16 km/h

Pressure: 101.79 kPa

Visibility: 19 km

August Climate & Weather Averages in Arlington

High Temp: 25 °C

Low Temp: 11 °C

Mean Temp: 18 °C

Precipitation: 32.0 mm

Humidity: 71%

Dew Point: 12 °C

Wind: 15 km/h

Pressure: 101.70 kPa

Visibility: 18 km

September Climate & Weather Averages in Arlington

High Temp: 21 °C

Low Temp: 8 °C

Mean Temp: 15 °C

Precipitation: 62.7 mm

Humidity: 76%

Dew Point: 10 °C

Wind: 14 km/h

Pressure: 101.70 kPa

Visibility: 16 km

October Climate & Weather Averages in Arlington

High Temp: 15 °C

Low Temp: 5 °C

Mean Temp: 10 °C

Precipitation: 125.2 mm

Humidity: 82%

Dew Point: 7 °C

Wind: 14 km/h

Pressure: 101.81 kPa

Visibility: 14 km

November Climate & Weather Averages in Arlington

High Temp: 11 °C

Low Temp: 2 °C

Mean Temp: 6 °C

Precipitation: 169.3 mm

Humidity: 84%

Dew Point: 4 °C

Wind: 17 km/h

Pressure: 101.75 kPa

Visibility: 15 km

December Climate & Weather Averages in Arlington

High Temp: 7 °C

Low Temp: 0 °C

Mean Temp: 4 °C

Precipitation: 155.7 mm

Humidity: 85%

Dew Point: 1 °C

Wind: 16 km/h

Pressure: 101.78 kPa

Visibility: 15 km

Quick Climate Info

Hottest Month August (18 °C avg)
Coldest Month December (4 °C avg)
Wettest Month November (169.3 mm avg)
Windiest Month March (19 km/h avg)
Annual precip. 1223.1 mm (per year)

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