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Climate & Weather Averages in Idaho Falls, Idaho, USA

Currently: 39 °F. Overcast. (Weather station: Fanning Field, USA). See more current weather

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

Quick Climate Info

Hottest MonthJuly (69 °F avg)
Coldest MonthJanuary (22 °F avg)
Wettest MonthMay (1.44" avg)
Windiest MonthApril (17 mph avg)
Annual precip.10.47" (per year)

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