Ada County (Boise)
August
Weather in Ada County, Idaho for August 2027
Your guide to Ada County weather in August - trends and predictions
In general, the average temperature in Ada County at the beginning of August is 33.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30.2 °C by the end of August.
Precipitation in Ada County during August is a rare event, with an average of fewer than 2 rainy days.
Is August a good time to visit Ada County? check out the best time to travel to Ada County page.
✨ Is August a good time to visit Ada County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
30
Dry days
1
Rainy days
0
Snow days
32°/17°
Temperatures
19 km/h
Avg max wind
27 %
Avg humidity
Ada County Weather August
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Temperatures trend during August in Ada County
See the weather trend as well as the moving average line
August weather in Ada County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 35° /20° | 0 mm | 9 | |
| Aug. 2 | Sunny | 34° /19° | 0 mm | 9 | |
| Aug. 3 | Sunny | 33° /19° | 0.2 mm | 9 | |
| Aug. 4 | Sunny | 30° /15° | 0.2 mm | 8 | |
| Aug. 5 | Sunny | 34° /18° | 0 mm | 9 | |
| Aug. 6 | Sunny | 35° /18° | 0 mm | 9 | |
| Aug. 7 | Sunny | 33° /18° | 0 mm | 8 | |
| Aug. 8 | Sunny | 33° /17° | 0 mm | 8 | |
| Aug. 9 |  Patchy rain possible | 33° /16° | 0.2 mm | 8 | |
| Aug. 10 | Sunny | 33° /17° | 0 mm | 8 | |
| Aug. 11 | Sunny | 34° /16° | 0 mm | 8 | |
| Aug. 12 | Sunny | 34° /18° | 0 mm | 9 | |
| Aug. 13 |  Partly cloudy | 32° /20° | 0 mm | 8 | |
| Aug. 14 | Patchy rain possible | 31° /17° | 1 mm | 8 | |
| Aug. 15 | Sunny | 31° /19° | 0.3 mm | 8 | |
| Aug. 16 |  Cloudy | 31° /17° | 0 mm | 8 | |
| Aug. 17 | Sunny | 33° /19° | 0 mm | 6 | |
| Aug. 18 |  Overcast | 34° /18° | 0 mm | 8 | |
| Aug. 19 | Patchy rain possible | 34° /18° | 0 mm | 8 | |
| Aug. 20 | Cloudy | 34° /18° | 0 mm | 7 | |
| Aug. 21 | Sunny | 32° /16° | 0 mm | 6 | |
| Aug. 22 | Sunny | 34° /19° | 0 mm | 7 | |
| Aug. 23 | Overcast | 31° /18° | 0 mm | 7 | |
| Aug. 24 | Overcast | 29° /16° | 0 mm | 4 | |
| Aug. 25 | Patchy rain possible | 30° /17° | 0 mm | 5 | |
| Aug. 26 | Overcast | 31° /17° | 0 mm | 6 | |
| Aug. 27 | Overcast | 32° /19° | 0 mm | 6 | |
| Aug. 28 | Sunny | 28° /14° | 0 mm | 5 | |
| Aug. 29 | Sunny | 30° /15° | 0.1 mm | 7 | |
| Aug. 30 | Sunny | 29° /14° | 0 mm | 7.7 | |
| Aug. 31 | Sunny | 33° /15° | 0 mm | 7.6 | |
| Next | |||||
Important Notice
Our weather forecast for Ada County 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 Ada County forecast closer to your planned date for the most up-to-date weather information.
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Ada County in August - FAQ
What are the expected maximum and minimum temperatures in Ada County during August?
Expect warm days with temperatures around 32°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Ada County during August?
Rainfall in Ada County during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 Ada County during August?
The average wind speed in Ada County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Ada County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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