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.

Great Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°F)

  • 28°F maximum daytime temperature in January in Great Falls28
    Jan
  • 37°F maximum daytime temperature in February in Great Falls37
    Feb
  • 43°F maximum daytime temperature in March in Great Falls43
    Mar
  • 55°F maximum daytime temperature in April in Great Falls55
    Apr
  • 64°F maximum daytime temperature in May in Great Falls64
    May
  • 73°F maximum daytime temperature in June in Great Falls73
    Jun
  • 82°F maximum daytime temperature in July in Great Falls82
    Jul
  • 82°F maximum daytime temperature in August in Great Falls82
    Aug
  • 70°F maximum daytime temperature in September in Great Falls70
    Sep
  • 59°F maximum daytime temperature in October in Great Falls59
    Oct
  • 45°F maximum daytime temperature in November in Great Falls45
    Nov
  • 32°F maximum daytime temperature in December in Great Falls32
    Dec

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)  |  Imperial (°F)

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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 82°F 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 2.8 inches 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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