Butte in August
8.2out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Some rain: about 7 rainy days.
25°CAvg high
7°CAvg low
7Rainy days (29 mm)
13:58 hDaylight
06:35Sunrise · 20:33 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Some rain: about 7 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
How reliable is the forecast?
Rain in August varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -12°C | 22 mm | 7 | – | – | 4.2 |
| February | -1°C | -11°C | 24 mm | 7 | – | – | 4.1 |
| March | 4°C | -8°C | 36 mm | 9 | – | – | 4.3 |
| April | 8°C | -4°C | 55 mm | 12 | – | – | 4.8 |
| May | 14°C | 0°C | 77 mm | 15 | – | – | 5.7 |
| June | 19°C | 5°C | 84 mm | 14 | – | – | 6.8 |
| July | 25°C | 8°C | 38 mm | 9 | – | – | 7.9 |
| August | 25°C | 7°C | 29 mm | 7 | – | – | 8.2 |
| September | 19°C | 3°C | 34 mm | 7 | – | – | 7.8 |
| October | 10°C | -2°C | 34 mm | 8 | – | – | 5.9 |
| November | 2°C | -8°C | 31 mm | 7 | – | – | 4.3 |
| December | -3°C | -14°C | 26 mm | 7 | – | – | 4.1 |
Frequently asked questions
How hot is Butte in August?
Daytime highs average 25°C and nights about 7°C.
When is the best time to visit Butte?
The best months are August, July, September.