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Climate & Weather Averages in Oroville, Washington, USA

Currently: 12 °C. Cool. (Weather station: Osoyoos, USA). See more current weather

Annual Weather Averages Near Oroville

Averages are for Osoyoos, which is 9 kilometers from Oroville.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Oroville

High Temp: 32 °C

Low Temp: -3 °C

Mean Temp: 11 °C

Precipitation: 22.2 mm

Humidity: 60%

Dew Point: 3 °C

Wind: 12 km/h

Pressure: 101.67 kPa

Visibility: 23 km

January Climate & Weather Averages in Oroville

High Temp: 2 °C

Low Temp: -3 °C

Mean Temp: -1 °C

Precipitation: 25.6 mm

Humidity: 82%

Dew Point: -3 °C

Wind: 12 km/h

Pressure: 102.22 kPa

Visibility: 22 km

February Climate & Weather Averages in Oroville

High Temp: 5 °C

Low Temp: -3 °C

Mean Temp: 1 °C

Precipitation: 15.1 mm

Humidity: 72%

Dew Point: -4 °C

Wind: 12 km/h

Pressure: 101.97 kPa

Visibility: 22 km

March Climate & Weather Averages in Oroville

High Temp: 12 °C

Low Temp: 0 °C

Mean Temp: 6 °C

Precipitation: 26.9 mm

Humidity: 60%

Dew Point: -2 °C

Wind: 13 km/h

Pressure: 101.64 kPa

Visibility: 24 km

April Climate & Weather Averages in Oroville

High Temp: 18 °C

Low Temp: 4 °C

Mean Temp: 11 °C

Precipitation: 22.9 mm

Humidity: 49%

Dew Point: 0 °C

Wind: 13 km/h

Pressure: 101.57 kPa

Visibility: 24 km

May Climate & Weather Averages in Oroville

High Temp: 24 °C

Low Temp: 9 °C

Mean Temp: 17 °C

Precipitation: 18.2 mm

Humidity: 48%

Dew Point: 5 °C

Wind: 12 km/h

Pressure: 101.42 kPa

Visibility: 24 km

June Climate & Weather Averages in Oroville

High Temp: 27 °C

Low Temp: 13 °C

Mean Temp: 20 °C

Precipitation: 33.1 mm

Humidity: 48%

Dew Point: 8 °C

Wind: 13 km/h

Pressure: 101.31 kPa

Visibility: 24 km

July Climate & Weather Averages in Oroville

High Temp: 32 °C

Low Temp: 16 °C

Mean Temp: 24 °C

Precipitation: 15.1 mm

Humidity: 42%

Dew Point: 10 °C

Wind: 13 km/h

Pressure: 101.30 kPa

Visibility: 23 km

August Climate & Weather Averages in Oroville

High Temp: 31 °C

Low Temp: 15 °C

Mean Temp: 23 °C

Precipitation: 7.4 mm

Humidity: 46%

Dew Point: 10 °C

Wind: 11 km/h

Pressure: 101.28 kPa

Visibility: 21 km

September Climate & Weather Averages in Oroville

High Temp: 24 °C

Low Temp: 10 °C

Mean Temp: 17 °C

Precipitation: 9.1 mm

Humidity: 56%

Dew Point: 8 °C

Wind: 11 km/h

Pressure: 101.48 kPa

Visibility: 23 km

October Climate & Weather Averages in Oroville

High Temp: 16 °C

Low Temp: 5 °C

Mean Temp: 10 °C

Precipitation: 25.2 mm

Humidity: 66%

Dew Point: 4 °C

Wind: 12 km/h

Pressure: 101.75 kPa

Visibility: 24 km

November Climate & Weather Averages in Oroville

High Temp: 8 °C

Low Temp: 1 °C

Mean Temp: 4 °C

Precipitation: 31.3 mm

Humidity: 75%

Dew Point: 0 °C

Wind: 14 km/h

Pressure: 101.93 kPa

Visibility: 23 km

December Climate & Weather Averages in Oroville

High Temp: 2 °C

Low Temp: -3 °C

Mean Temp: -1 °C

Precipitation: 37.0 mm

Humidity: 80%

Dew Point: -4 °C

Wind: 13 km/h

Pressure: 102.13 kPa

Visibility: 22 km

Quick Climate Info

Hottest Month July (24 °C avg)
Coldest Month December (-1 °C avg)
Wettest Month December (37.0 mm avg)
Windiest Month November (14 km/h avg)
Annual precip. 266.9 mm (per year)

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