Annual Weather Averages in Idaho Falls
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Idaho Falls
High Temp: 88 °F
Low Temp: 13 °F
Mean Temp: 45 °F
Precipitation: 0.87"
Humidity: 61%
Dew Point: 31 °F
Wind: 14 mph
Pressure: 30.06 "Hg
Visibility: 12 mi
January Climate & Weather Averages in Idaho Falls
High Temp: 30 °F
Low Temp: 13 °F
Mean Temp: 22 °F
Precipitation: 0.61"
Humidity: 85%
Dew Point: 18 °F
Wind: 12 mph
Pressure: 30.26 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Idaho Falls
High Temp: 34 °F
Low Temp: 16 °F
Mean Temp: 25 °F
Precipitation: 0.55"
Humidity: 80%
Dew Point: 20 °F
Wind: 14 mph
Pressure: 30.16 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Idaho Falls
High Temp: 47 °F
Low Temp: 26 °F
Mean Temp: 37 °F
Precipitation: 0.71"
Humidity: 66%
Dew Point: 26 °F
Wind: 15 mph
Pressure: 30.06 "Hg
Visibility: 12 mi
April Climate & Weather Averages in Idaho Falls
High Temp: 57 °F
Low Temp: 32 °F
Mean Temp: 45 °F
Precipitation: 1.02"
Humidity: 53%
Dew Point: 28 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 13 mi
May Climate & Weather Averages in Idaho Falls
High Temp: 68 °F
Low Temp: 39 °F
Mean Temp: 53 °F
Precipitation: 1.44"
Humidity: 52%
Dew Point: 36 °F
Wind: 15 mph
Pressure: 29.93 "Hg
Visibility: 14 mi
June Climate & Weather Averages in Idaho Falls
High Temp: 77 °F
Low Temp: 45 °F
Mean Temp: 61 °F
Precipitation: 1.26"
Humidity: 50%
Dew Point: 42 °F
Wind: 15 mph
Pressure: 29.92 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Idaho Falls
High Temp: 88 °F
Low Temp: 50 °F
Mean Temp: 69 °F
Precipitation: 0.91"
Humidity: 47%
Dew Point: 47 °F
Wind: 12 mph
Pressure: 29.95 "Hg
Visibility: 15 mi
August Climate & Weather Averages in Idaho Falls
High Temp: 86 °F
Low Temp: 48 °F
Mean Temp: 67 °F
Precipitation: 0.61"
Humidity: 43%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Idaho Falls
High Temp: 76 °F
Low Temp: 41 °F
Mean Temp: 58 °F
Precipitation: 0.96"
Humidity: 47%
Dew Point: 37 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Idaho Falls
High Temp: 60 °F
Low Temp: 31 °F
Mean Temp: 46 °F
Precipitation: 0.93"
Humidity: 58%
Dew Point: 31 °F
Wind: 13 mph
Pressure: 30.08 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Idaho Falls
High Temp: 44 °F
Low Temp: 23 °F
Mean Temp: 33 °F
Precipitation: 0.71"
Humidity: 71%
Dew Point: 24 °F
Wind: 13 mph
Pressure: 30.18 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Idaho Falls
High Temp: 31 °F
Low Temp: 14 °F
Mean Temp: 23 °F
Precipitation: 0.77"
Humidity: 82%
Dew Point: 18 °F
Wind: 12 mph
Pressure: 30.24 "Hg
Visibility: 9 mi