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 = 22 - 30°C [remove]

Change the criteria to reflect your weather preferences.

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

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Max Day Temperature (°C)

  • -2°C maximum daytime temperature in January in Great Falls-2
    Jan
  • 3°C maximum daytime temperature in February in Great Falls3
    Feb
  • 6°C maximum daytime temperature in March in Great Falls6
    Mar
  • 13°C maximum daytime temperature in April in Great Falls13
    Apr
  • 18°C maximum daytime temperature in May in Great Falls18
    May
  • 23°C maximum daytime temperature in June in Great Falls23
    Jun
  • 28°C maximum daytime temperature in July in Great Falls28
    Jul
  • 28°C maximum daytime temperature in August in Great Falls28
    Aug
  • 21°C maximum daytime temperature in September in Great Falls21
    Sep
  • 15°C maximum daytime temperature in October in Great Falls15
    Oct
  • 7°C maximum daytime temperature in November in Great Falls7
    Nov
  • 0°C maximum daytime temperature in December in Great Falls0
    Dec

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.

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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