Best time to visit Great Falls

Find the best time to visit Great Falls 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 Great Falls?

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

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Hours of Sunshine (daily)

Best time to visit

The weather guide for Montana (Great Falls) 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 Great Falls?

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

Which month has the most rain in Great Falls?

In terms of rainfall, June is usually the wettest month in Great Falls with 71mm on average. There are normally 11 days in June with some rain.

When is it sunniest in Great Falls?

The sunniest time of year in Great Falls is normally July with bright sunshine on average for 79% of daylight hours; that's 12 hours of sunshine per day.

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