Annual Weather Averages Near Okanogan
Averages are for Omak Airport, which is 8 miles from Okanogan.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Okanogan
High Temp: 90 °F
Low Temp: 22 °F
Mean Temp: 50 °F
Precipitation: 1.26"
Humidity: 59%
Dew Point: 34 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Okanogan
High Temp: 33 °F
Low Temp: 23 °F
Mean Temp: 28 °F
Precipitation: 2.12"
Humidity: 83%
Dew Point: 24 °F
Wind: 8 mph
Pressure: 30.17 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Okanogan
High Temp: 40 °F
Low Temp: 24 °F
Mean Temp: 32 °F
Precipitation: 1.10"
Humidity: 74%
Dew Point: 25 °F
Wind: 9 mph
Pressure: 30.11 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Okanogan
High Temp: 52 °F
Low Temp: 30 °F
Mean Temp: 41 °F
Precipitation: 1.29"
Humidity: 60%
Dew Point: 28 °F
Wind: 10 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Okanogan
High Temp: 63 °F
Low Temp: 36 °F
Mean Temp: 49 °F
Precipitation: 0.98"
Humidity: 51%
Dew Point: 31 °F
Wind: 10 mph
Pressure: 29.98 "Hg
Visibility: 11 mi
May Climate & Weather Averages in Okanogan
High Temp: 73 °F
Low Temp: 44 °F
Mean Temp: 58 °F
Precipitation: 1.23"
Humidity: 50%
Dew Point: 39 °F
Wind: 9 mph
Pressure: 29.94 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Okanogan
High Temp: 79 °F
Low Temp: 51 °F
Mean Temp: 65 °F
Precipitation: 1.26"
Humidity: 48%
Dew Point: 44 °F
Wind: 9 mph
Pressure: 29.91 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Okanogan
High Temp: 90 °F
Low Temp: 58 °F
Mean Temp: 74 °F
Precipitation: 0.69"
Humidity: 38%
Dew Point: 45 °F
Wind: 9 mph
Pressure: 29.91 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Okanogan
High Temp: 89 °F
Low Temp: 56 °F
Mean Temp: 73 °F
Precipitation: 0.39"
Humidity: 39%
Dew Point: 45 °F
Wind: 9 mph
Pressure: 29.91 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Okanogan
High Temp: 78 °F
Low Temp: 48 °F
Mean Temp: 63 °F
Precipitation: 0.53"
Humidity: 47%
Dew Point: 41 °F
Wind: 10 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Okanogan
High Temp: 61 °F
Low Temp: 37 °F
Mean Temp: 49 °F
Precipitation: 1.21"
Humidity: 62%
Dew Point: 36 °F
Wind: 9 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
November Climate & Weather Averages in Okanogan
High Temp: 44 °F
Low Temp: 28 °F
Mean Temp: 36 °F
Precipitation: 1.77"
Humidity: 78%
Dew Point: 30 °F
Wind: 9 mph
Pressure: 30.12 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Okanogan
High Temp: 33 °F
Low Temp: 22 °F
Mean Temp: 28 °F
Precipitation: 2.56"
Humidity: 83%
Dew Point: 24 °F
Wind: 8 mph
Pressure: 30.17 "Hg
Visibility: 9 mi