Measurements:
°C
°F
Idaho Falls
40°F
NE 18 mph
Feels like: 30°F
Precip: 12%
World Resorts USA Idaho Falls Weather August Weather in Idaho Falls

Idaho Falls Weather: August

Average Day Temperature: 88.2°F
Average Night Temperature: 60.5°F
Number of Sunny Days: 22 days
Sunshine Hours: 13.2 - 14.5 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.3 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 103°F. The lowest night temperature was 47°F. The average values for day and night temperatures during August were 89.3°F и 60.0°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 0.3 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 10.8 hours.

Best Time to Visit Idaho Falls
The most sunny months:
July 27 days
June 23 days
August 22 days
The most warm months:
July 92.8 °F
August 88.2 °F
September 77.9 °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
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Idaho Falls
Local time: 22:44
27 oct, tuesday
0000 40°F
NE
18 mph
0300 36°F
NE
17 mph
0600 36°F
NE
14 mph
0900 38°F
NE
11 mph
1200 44°F
NE
12 mph
1500 48°F
NE
10 mph
1800 44°F
NE
4 mph
2100 38°F
N
6 mph