Annual Weather Averages in West Yellowstone Airport
West Yellowstone Airport is 26 miles from Yellowstone National Park, so the actual climate in Yellowstone National Park can vary a bit.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Yellowstone National Park
High Temp: 79 °F
Low Temp: 8 °F
Mean Temp: 38 °F
Precipitation: 1.16"
Humidity: 68%
Dew Point: 27 °F
Wind: 11 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Yellowstone National Park
High Temp: 27 °F
Low Temp: 8 °F
Mean Temp: 17 °F
Precipitation: 1.04"
Humidity: 84%
Dew Point: 13 °F
Wind: 10 mph
Pressure: 30.29 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Yellowstone National Park
High Temp: 31 °F
Low Temp: 11 °F
Mean Temp: 21 °F
Precipitation: 1.16"
Humidity: 79%
Dew Point: 15 °F
Wind: 13 mph
Pressure: 30.13 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Yellowstone National Park
High Temp: 44 °F
Low Temp: 19 °F
Mean Temp: 32 °F
Precipitation: 1.96"
Humidity: 69%
Dew Point: 21 °F
Wind: 14 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Yellowstone National Park
High Temp: 53 °F
Low Temp: 26 °F
Mean Temp: 40 °F
Precipitation: 1.82"
Humidity: 60%
Dew Point: 25 °F
Wind: 15 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Yellowstone National Park
High Temp: 61 °F
Low Temp: 32 °F
Mean Temp: 47 °F
Precipitation: 2.00"
Humidity: 63%
Dew Point: 33 °F
Wind: 11 mph
Pressure: 29.93 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Yellowstone National Park
High Temp: 71 °F
Low Temp: 37 °F
Mean Temp: 54 °F
Precipitation: 1.37"
Humidity: 59%
Dew Point: 39 °F
Wind: 12 mph
Pressure: 29.92 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Yellowstone National Park
High Temp: 79 °F
Low Temp: 40 °F
Mean Temp: 60 °F
Precipitation: 0.35"
Humidity: 57%
Dew Point: 44 °F
Wind: 10 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Yellowstone National Park
High Temp: 77 °F
Low Temp: 38 °F
Mean Temp: 57 °F
Precipitation: 0.51"
Humidity: 57%
Dew Point: 41 °F
Wind: 9 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Yellowstone National Park
High Temp: 67 °F
Low Temp: 32 °F
Mean Temp: 49 °F
Precipitation: 0.87"
Humidity: 56%
Dew Point: 33 °F
Wind: 10 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Yellowstone National Park
High Temp: 50 °F
Low Temp: 24 °F
Mean Temp: 37 °F
Precipitation: 0.93"
Humidity: 69%
Dew Point: 26 °F
Wind: 11 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Yellowstone National Park
High Temp: 38 °F
Low Temp: 17 °F
Mean Temp: 28 °F
Precipitation: 0.94"
Humidity: 77%
Dew Point: 21 °F
Wind: 11 mph
Pressure: 30.18 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Yellowstone National Park
High Temp: 28 °F
Low Temp: 9 °F
Mean Temp: 19 °F
Precipitation: 1.00"
Humidity: 81%
Dew Point: 14 °F
Wind: 10 mph
Pressure: 30.21 "Hg
Visibility: 8 mi