Best time to go to Montana Average weather of Montana, United States

When is the best time to go to Montana?

When is the best time to go to Montana? Here's some information to help you in your decision:

The best months for good weather in Montana are July and August
On average, the warmest months are July and August
The coldest months are February and December
The rainiest months are May and June

Annual weather in Montana

Infographic of the best times to visit Montana ©whereandwhen.net

Weather details in Montana month by month

To get all the information about the climate and weather in Montana for a specific month, click on the corresponding link below:

January February March April May June July August September October November December

Weather and climate in Montana

Montana enjoys a cold steppe (or semi-arid) climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Montana is 49°F (ranging from 27°F in december to 76°F in july). Annual rainfall is 59.5in, with a minimum of 2.9in in december and a maximum of 9.8in in may.

From january to may the climate is very bad. It is for example 54°F as maximum temperature in may and it rains about 45% of the time in may.
From june to september the climate is favorable. At lunchtime, it's 63°F in average and, in september, 4 days of rain are expected.
From october to december the climate is the worst possible. By early evening, the temperature averages 18°F and, in december, 5 days of rain are expected.

Charts: temperature and rainfall in Montana

In the charts below, you can see the following seasonal norms for the city of Montana: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity

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