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Climate & Weather Averages in Oroville, Washington, USA

Currently: 45 °F. Cool. (Weather station: Osoyoos, USA). See more current weather

Annual Weather Averages Near Oroville

Averages are for Osoyoos, which is 5 miles from Oroville.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Oroville

High Temp: 90 °F

Low Temp: 26 °F

Mean Temp: 52 °F

Precipitation: 0.88"

Humidity: 60%

Dew Point: 37 °F

Wind: 8 mph

Pressure: 30.02 "Hg

Visibility: 14 mi

January Climate & Weather Averages in Oroville

High Temp: 36 °F

Low Temp: 27 °F

Mean Temp: 31 °F

Precipitation: 1.01"

Humidity: 82%

Dew Point: 26 °F

Wind: 8 mph

Pressure: 30.19 "Hg

Visibility: 14 mi

February Climate & Weather Averages in Oroville

High Temp: 40 °F

Low Temp: 26 °F

Mean Temp: 33 °F

Precipitation: 0.60"

Humidity: 72%

Dew Point: 24 °F

Wind: 8 mph

Pressure: 30.11 "Hg

Visibility: 14 mi

March Climate & Weather Averages in Oroville

High Temp: 54 °F

Low Temp: 32 °F

Mean Temp: 43 °F

Precipitation: 1.06"

Humidity: 60%

Dew Point: 29 °F

Wind: 8 mph

Pressure: 30.02 "Hg

Visibility: 15 mi

April Climate & Weather Averages in Oroville

High Temp: 64 °F

Low Temp: 39 °F

Mean Temp: 52 °F

Precipitation: 0.90"

Humidity: 49%

Dew Point: 32 °F

Wind: 8 mph

Pressure: 29.99 "Hg

Visibility: 15 mi

May Climate & Weather Averages in Oroville

High Temp: 75 °F

Low Temp: 48 °F

Mean Temp: 62 °F

Precipitation: 0.72"

Humidity: 48%

Dew Point: 41 °F

Wind: 8 mph

Pressure: 29.95 "Hg

Visibility: 15 mi

June Climate & Weather Averages in Oroville

High Temp: 80 °F

Low Temp: 55 °F

Mean Temp: 68 °F

Precipitation: 1.30"

Humidity: 48%

Dew Point: 46 °F

Wind: 8 mph

Pressure: 29.92 "Hg

Visibility: 15 mi

July Climate & Weather Averages in Oroville

High Temp: 90 °F

Low Temp: 61 °F

Mean Temp: 75 °F

Precipitation: 0.59"

Humidity: 42%

Dew Point: 49 °F

Wind: 8 mph

Pressure: 29.91 "Hg

Visibility: 14 mi

August Climate & Weather Averages in Oroville

High Temp: 88 °F

Low Temp: 58 °F

Mean Temp: 73 °F

Precipitation: 0.29"

Humidity: 46%

Dew Point: 50 °F

Wind: 7 mph

Pressure: 29.91 "Hg

Visibility: 13 mi

September Climate & Weather Averages in Oroville

High Temp: 76 °F

Low Temp: 50 °F

Mean Temp: 63 °F

Precipitation: 0.36"

Humidity: 56%

Dew Point: 46 °F

Wind: 7 mph

Pressure: 29.97 "Hg

Visibility: 14 mi

October Climate & Weather Averages in Oroville

High Temp: 61 °F

Low Temp: 41 °F

Mean Temp: 51 °F

Precipitation: 0.99"

Humidity: 66%

Dew Point: 39 °F

Wind: 7 mph

Pressure: 30.05 "Hg

Visibility: 15 mi

November Climate & Weather Averages in Oroville

High Temp: 46 °F

Low Temp: 33 °F

Mean Temp: 40 °F

Precipitation: 1.23"

Humidity: 75%

Dew Point: 32 °F

Wind: 9 mph

Pressure: 30.10 "Hg

Visibility: 15 mi

December Climate & Weather Averages in Oroville

High Temp: 36 °F

Low Temp: 26 °F

Mean Temp: 31 °F

Precipitation: 1.46"

Humidity: 80%

Dew Point: 25 °F

Wind: 8 mph

Pressure: 30.16 "Hg

Visibility: 14 mi

Quick Climate Info

Hottest MonthJuly (75 °F avg)
Coldest MonthDecember (31 °F avg)
Wettest MonthDecember (1.46" avg)
Windiest MonthNovember (9 mph avg)
Annual precip.10.51" (per year)

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