Measurements:
°C
°F
Idaho Falls
90°F
NE 3 mph
Feels like: 92°F
Precip: 1%
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.

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
June 23 days
September 23 days
The most warm months:
July 92.3 °F
August 88.0 °F
September 78.5 °F
The most cold months:
January 23.5 °F
February 27.9 °F
December 29.2 °F
The most rainy months:
September 1 day
May 1 day
March 1 day
The most windy months:
April 9 mph
May 9 mph
June 9 mph

Idaho Falls on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Idaho Falls
Local time: 13:09
15 jul, wednesday
1500 96°F
NE
9 mph
1800 96°F
E
9 mph
2100 86°F
E
7 mph
16 jul, thursday
0000 72°F
NE
1 mph
0300 64°F
S
1 mph
0600 62°F
W
2 mph
0900 82°F
SW
4 mph
1200 98°F
SE
4 mph