The climate in Butte during July can be summarized as hot and a little damp.
July is in the summer in Butte and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 32°C (89°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 31.6°C 88.8°F |
|---|---|
| Nightly temperature | 16.5°C 61.6°F |
| Average temperature | 24°C 75.2°F |
| Daily sunshine | 12.3 hrs |
| Avg rainfall | 82 mm 3.2 ins |
| Rainy days | 9 days |
| Sea temperature | 16.1°C 61°F |
| Humidity | 63% |
| Windspeed | 16.2kph 10 mph |
On average July is the 3rd wettest month of the year in Butte with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 12.3 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Butte in July 2025.
| Hottest month: | July | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | January | 12mm 0.5ins |
| Sunniest month: | July | 12.3hrs |
| Coldest month: | January | -1.4°C 29.5°F |
| Wettest month: | June | 94mm 3.7ins |