The temperatures in Helena in June are quite cold with temperatures between 6°C and 21°C, warm clothes are a must.
You can expect rain for roughly half of the month of June in Helena. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Helena in June 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
21° / 6°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
105
mm
Sun Hours
8.9
Hrs