The temperatures in Helena in July are quite cold with temperatures between 9°C and 28°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Helena during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Helena in July 2025.
If you’re planning to visit Helena in the near future, we highly recommend that you review the 14 day weather forecast for Helena before you arrive.
Temperatures
28° / 9°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
45
mm
Sun Hours
10.7
Hrs
