Best time to visit Helena

Find the best time to visit Helena and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

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When is the best time to visit Helena?

The best time to visit Helena is June, July and August based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

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Hours of Sunshine (daily)

Best time to visit

The weather guide for Montana (Helena) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in Helena?

The hottest time of year in Helena is normally July. Expect maximum daytime temperatures to reach 28°C with low heat and humidity.

Which month has the most rain in Helena?

In terms of rainfall, June is usually the wettest month in Helena with 55mm on average. There are normally 10 days in June with some rain.

When is it sunniest in Helena?

The sunniest time of year in Helena is normally July with bright sunshine on average for 77% of daylight hours; that's 12 hours of sunshine per day.

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