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Weather in Idaho for August 2025

Your guide to Idaho weather in August - trends and predictions
  • In general, the average temperature in Idaho at the beginning of August is 36 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.7 °F by the end of August.

  • With an average of 3 rainy days, Idaho experiences minimal rainfall in August, ensuring that most days remain pleasantly dry.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/18°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
23 %
Avg humidity

Idaho in August average weather

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Temperatures trend during August in Idaho

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
37° /22° 0 mm 9
Aug. 2 Sunny
Sunny
40° /24° 0 mm 10
Aug. 3 Partly cloudy
Partly cloudy
38° /26° 0.6 mm 9
Aug. 4 Sunny
Sunny
33° /22° 0.6 mm 8
Aug. 5 Patchy rain possible
Patchy rain possible
37° /24° 0.1 mm 8
Aug. 6 Sunny
Sunny
34° /22° 0 mm 8
Aug. 7 Sunny
Sunny
33° /20° 0 mm 8
Aug. 8 Partly cloudy
Partly cloudy
34° /21° 0 mm 8
Aug. 9 Patchy rain possible
Patchy rain possible
34° /20° 0.8 mm 7
Aug. 10 Cloudy
Cloudy
33° /21° 0 mm 7
Aug. 11 Sunny
Sunny
32° /19° 0 mm 8
Aug. 12 Sunny
Sunny
32° /20° 0 mm 8
Aug. 13 Partly cloudy
Partly cloudy
28° /22° 0 mm 7
Aug. 14 Sunny
Sunny
28° /16° 0 mm 7
Aug. 15 Sunny
Sunny
29° /18° 0 mm 7
Aug. 16 Sunny
Sunny
28° /15° 0 mm 7
Aug. 17 Sunny
Sunny
35° /19° 0 mm 9
Aug. 18 Sunny
Sunny
31° /19° 0 mm 8
Aug. 19 Patchy rain possible
Patchy rain possible
31° /19° 0.1 mm 7
Aug. 20 Cloudy
Cloudy
29° /17° 0 mm 6
Aug. 21 Sunny
Sunny
26° /15° 0 mm 7
Aug. 22 Sunny
Sunny
32° /18° 0 mm 8
Aug. 23 Partly cloudy
Partly cloudy
26° /17° 0 mm 7
Aug. 24 Thundery outbreaks possible
Thundery outbreaks possible
18° /13° 0 mm 4
Aug. 25 Patchy rain possible
Patchy rain possible
20° /12° 0.1 mm 5
Aug. 26 Sunny
Sunny
25° /13° 0 mm 7
Aug. 27 Sunny
Sunny
32° /17° 0 mm 8
Aug. 28 Sunny
Sunny
21° /8° 0 mm 6
Aug. 29 Sunny
Sunny
27° /12° 0 mm 7
Aug. 30 Sunny
Sunny
30° /15° 0 mm 8
Aug. 31 Sunny
Sunny
32° /17° 0 mm 8
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Important Notice
Our weather forecast for Idaho in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Idaho forecast closer to your planned date for the most up-to-date weather information.

Idaho in August - FAQ

What are the expected maximum and minimum temperatures in Idaho during August?
Expect warm days with temperatures around 31°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Idaho during August?
Rainfall in Idaho during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Idaho during August?
The average wind speed in Idaho during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Idaho

Explore the daily rainfall trends and prepare for Idahos August weather 💧

UV exposure in Idaho during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Idaho?

Get accurate weather forecasts for Idaho, located at latitude 43.614 and longitude -116.203. Stay updated with localized weather information tailored for Idaho.

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