Montana weather

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

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The weather guide for Montana 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.

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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.

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

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Compare Montana weather with the USA

Below the Montana weather chart shows average maximum daytime temperature for Montana, USA (Helena) and the USA (Washington).

Maximum daytime temperature (°C)

Montana, USA (Helena)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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