Measurements:
°C
°F
Idaho Falls
28°F
NE 13 mph
Feels like: 16°F
Precip: 94%
World Resorts USA Idaho Falls Weather August Weather in Idaho Falls

Idaho Falls Weather: August

Average Day Temperature: 88.0°F
Average Night Temperature: 60.6°F
Number of Sunny Days: 22 days
Sunshine Hours: 13.2 - 14.5 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.4 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 101°F. The lowest night temperature was 40°F. The average values for day and night temperatures during August were 88.7°F и 51.1°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Idaho Falls is 0.4 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 7.5 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Idaho Falls in August is 11.0 hours.

Best Time to Visit Idaho Falls
The most sunny months:
July 27 days
September 23 days
June 22 days
The most warm months:
July 92.3 °F
August 88.0 °F
September 78.5 °F
The most cold months:
January 22.2 °F
February 25.5 °F
December 27.0 °F
The most rainy months:
March 2 days
September 1 day
May 1 day
The most windy months:
April 9 mph
May 9 mph
June 8 mph

Idaho Falls on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Idaho Falls
Local time: 01:01
05 dec, friday
0300 28°F
NE
13 mph
0600 28°F
NE
6 mph
0900 28°F
E
2 mph
1200 30°F
NE
4 mph
1500 32°F
NE
7 mph
1800 32°F
NE
11 mph
2100 34°F
NE
16 mph
06 dec, saturday
0000 34°F
NE
20 mph