Butte (MT)
August
Weather in Butte, Montana for August 2026
Your guide to Butte weather in August - trends and predictions
In general, the average temperature in Butte at the beginning of August is 22.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.7 °F by the end of August.
Butte experiences moderate rainfall in August, with an average of 7 rainy days and a total precipitation of 115.4 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
24°/10°
Temperatures
21 km/h
Avg max wind
50 %
Avg humidity
Butte Weather August
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Temperatures trend during August in Butte
See the weather trend as well as the moving average line
August weather in Butte day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Partly cloudy | 26° /12° | 0 mm | 12 | |
| Aug. 2 | Partly cloudy | 21° /10° | 0 mm | 12 | |
| Aug. 3 |  Sunny | 25° /9° | 0 mm | 11 | |
| Aug. 4 |  Patchy light rain with thunder | 16° /10° | 34.1 mm | 10 | |
| Aug. 5 |  Overcast | 22° /7° | 2 mm | 11 | |
| Aug. 6 |  Cloudy | 25° /11° | 0 mm | 11 | |
| Aug. 7 |  Light rain shower | 20° /9° | 12.4 mm | 8 | |
| Aug. 8 |  Thundery outbreaks possible | 14° /4° | 23.8 mm | 7 | |
| Aug. 9 | Sunny | 21° /6° | 0 mm | 10 | |
| Aug. 10 | Partly cloudy | 24° /10° | 0 mm | 10 | |
| Aug. 11 | Sunny | 25° /12° | 0 mm | 10 | |
| Aug. 12 | Sunny | 28° /13° | 0 mm | 10 | |
| Aug. 13 | Sunny | 28° /14° | 0 mm | 10 | |
| Aug. 14 | Sunny | 26° /12° | 0 mm | 10 | |
| Aug. 15 | Sunny | 26° /10° | 0 mm | 10 | |
| Aug. 16 | Cloudy | 27° /12° | 0 mm | 10 | |
| Aug. 17 | Light rain shower | 24° /8° | 5.3 mm | 10 | |
| Aug. 18 | Thundery outbreaks possible | 26° /8° | 0 mm | 10 | |
| Aug. 19 | Partly cloudy | 30° /13° | 0 mm | 9 | |
| Aug. 20 | Thundery outbreaks possible | 28° /12° | 0 mm | 9 | |
| Aug. 21 | Sunny | 25° /10° | 0 mm | 9 | |
| Aug. 22 | Sunny | 23° /11° | 0 mm | 9 | |
| Aug. 23 | Sunny | 27° /9° | 0 mm | 9 | |
| Aug. 24 | Cloudy | 25° /10° | 0 mm | 9 | |
| Aug. 25 | Sunny | 26° /10° | 0 mm | 9 | |
| Aug. 26 | Overcast | 27° /13° | 0 mm | 5 | |
| Aug. 27 | Overcast | 15° /10° | 14.8 mm | 1 | |
| Aug. 28 | Light rain shower | 16° /10° | 23 mm | 2 | |
| Aug. 29 | Sunny | 24° /8° | 0 mm | 8 | |
| Aug. 30 | Sunny | 25° /10° | 0 mm | 8 | |
| Aug. 31 | Sunny | 26° /11° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Butte 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 Butte forecast closer to your planned date for the most up-to-date weather information.
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Butte in August - FAQ
What are the expected maximum and minimum temperatures in Butte during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Butte during August?
Significant rainfall exceeding 115.4 mm is expected in Butte during August, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Butte during August?
The average wind speed in Butte during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Butte
Explore the daily rainfall trends and prepare for Buttes August weather 💧
Typically, Butte has 7 rainy days in August with a total of 115.4 mm of rainfall.
UV exposure in Butte during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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