The weather in Montana in July is hot. The average temperatures are between 15°C and 31°C. Usually the days in July are hot while the nights are a bit cooler.
You can expect up to 3 rainy days in Montana during the month of July.
Our weather forecast can give you a great sense of what weather to expect in Montana in July 2025.
If you’re planning to visit Montana in the near future, we highly recommend that you review the 14 day weather forecast for Montana before you arrive.
Temperatures
31° / 15°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
29
mm
Sun Hours
11.8
Hrs