Annual Weather Averages in Walla Walla Regional Airport
Walla Walla Regional Airport is 77 miles from Wallowa Lake State Park, so the actual climate in Wallowa Lake State Park can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Wallowa Lake State Park
High Temp: 91 °F
Low Temp: 30 °F
Mean Temp: 54 °F
Precipitation: 1.36"
Humidity: 59%
Dew Point: 38 °F
Wind: 12 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
January Climate & Weather Averages in Wallowa Lake State Park
High Temp: 43 °F
Low Temp: 31 °F
Mean Temp: 37 °F
Precipitation: 1.84"
Humidity: 80%
Dew Point: 30 °F
Wind: 11 mph
Pressure: 30.15 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Wallowa Lake State Park
High Temp: 47 °F
Low Temp: 33 °F
Mean Temp: 40 °F
Precipitation: 1.50"
Humidity: 73%
Dew Point: 31 °F
Wind: 12 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Wallowa Lake State Park
High Temp: 56 °F
Low Temp: 38 °F
Mean Temp: 47 °F
Precipitation: 1.75"
Humidity: 63%
Dew Point: 34 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Wallowa Lake State Park
High Temp: 63 °F
Low Temp: 42 °F
Mean Temp: 52 °F
Precipitation: 1.64"
Humidity: 57%
Dew Point: 37 °F
Wind: 14 mph
Pressure: 30.01 "Hg
Visibility: 12 mi
May Climate & Weather Averages in Wallowa Lake State Park
High Temp: 72 °F
Low Temp: 49 °F
Mean Temp: 60 °F
Precipitation: 1.58"
Humidity: 54%
Dew Point: 43 °F
Wind: 13 mph
Pressure: 29.97 "Hg
Visibility: 12 mi
June Climate & Weather Averages in Wallowa Lake State Park
High Temp: 80 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 1.03"
Humidity: 48%
Dew Point: 46 °F
Wind: 13 mph
Pressure: 29.94 "Hg
Visibility: 13 mi
July Climate & Weather Averages in Wallowa Lake State Park
High Temp: 91 °F
Low Temp: 62 °F
Mean Temp: 76 °F
Precipitation: 0.38"
Humidity: 35%
Dew Point: 45 °F
Wind: 13 mph
Pressure: 29.93 "Hg
Visibility: 13 mi
August Climate & Weather Averages in Wallowa Lake State Park
High Temp: 89 °F
Low Temp: 61 °F
Mean Temp: 75 °F
Precipitation: 0.37"
Humidity: 35%
Dew Point: 45 °F
Wind: 12 mph
Pressure: 29.93 "Hg
Visibility: 12 mi
September Climate & Weather Averages in Wallowa Lake State Park
High Temp: 79 °F
Low Temp: 54 °F
Mean Temp: 66 °F
Precipitation: 0.59"
Humidity: 45%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 29.97 "Hg
Visibility: 12 mi
October Climate & Weather Averages in Wallowa Lake State Park
High Temp: 64 °F
Low Temp: 44 °F
Mean Temp: 54 °F
Precipitation: 1.48"
Humidity: 61%
Dew Point: 40 °F
Wind: 11 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
November Climate & Weather Averages in Wallowa Lake State Park
High Temp: 50 °F
Low Temp: 36 °F
Mean Temp: 43 °F
Precipitation: 2.09"
Humidity: 75%
Dew Point: 34 °F
Wind: 11 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Wallowa Lake State Park
High Temp: 41 °F
Low Temp: 30 °F
Mean Temp: 36 °F
Precipitation: 2.05"
Humidity: 80%
Dew Point: 29 °F
Wind: 11 mph
Pressure: 30.16 "Hg
Visibility: 8 mi