Best time to visit Montana

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

Montana by month

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

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Top Montana destinations

Below are the temperatures expected today at popular destinations in Montana. Select a destination to compare today's forecast with average weather conditions.

All Montana destinations

When is the best time to visit Montana?

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

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • -1°C maximum daytime temperature in January in Montana (Helena)-1
  • 3°C maximum daytime temperature in February in Montana (Helena)3
  • 6°C maximum daytime temperature in March in Montana (Helena)6
  • 12°C maximum daytime temperature in April in Montana (Helena)12
  • 18°C maximum daytime temperature in May in Montana (Helena)18
  • 23°C maximum daytime temperature in June in Montana (Helena)23
  • 28°C maximum daytime temperature in July in Montana (Helena)28
  • 28°C maximum daytime temperature in August in Montana (Helena)28
  • 20°C maximum daytime temperature in September in Montana (Helena)20
  • 14°C maximum daytime temperature in October in Montana (Helena)14
  • 5°C maximum daytime temperature in November in Montana (Helena)5
  • 0°C maximum daytime temperature in December in Montana (Helena)0

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 Montana?

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

Which month has the most rain in Montana?

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

When is it sunniest in Montana?

The sunniest time of year in Helena, Montana 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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