Best time to go to Helena (Montana) Average weather of Helena (Montana), United States

When is the best time to go to Helena (Montana)?

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

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

Annual weather in Helena (Montana)

For full information about the climate and weather in Helena (Montana) a specific month, click on the corresponding line below:

Month			Our opinion
January	18°F/31°F	1.6in	very bad weather	Helena (Montana) in january
February	16°F/31°F	1.9in	very bad weather	Helena (Montana) in february
March	25°F/41°F	2.6in	very bad weather	Helena (Montana) in march
April	29°F/50°F	3.4in	very bad weather	Helena (Montana) in april
May	36°F/61°F	4.1in	very bad weather	Helena (Montana) in may
June	43°F/72°F	4.1in	tolerable weather	Helena (Montana) in june
July	50°F/83°F	1.6in	good weather	Helena (Montana) in july
August	50°F/79°F	2in	good weather	Helena (Montana) in august
September	45°F/70°F	1.8in	tolerable weather	Helena (Montana) in september
October	32°F/52°F	2.1in	very bad weather	Helena (Montana) in october
November	23°F/40°F	1.6in	very bad weather	Helena (Montana) in november
December	16°F/29°F	1.5in	very bad weather	Helena (Montana) in december

Weather and climate in Helena (Montana)

Helena (Montana) enjoys a warm-summer humid continental climate (without dry season) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Helena (Montana) is 54°F (ranging from 29°F in december to 83°F in july). Annual rainfall is 28in, with a minimum of 1.5in in december and a maximum of 4.1in in may.

Between january and may the climate is the worst possible. At lunchtime, it's 56°F in average and it rains in may about 4.1in.
In june the climate is passable, but still OK. the thermometer goes up to 72°F°C and it rains about 4.1in each month.
From july to august the climate is beautiful. The temperature rises to 79°F.
In the month of september the climate is not good, but still OK. In average, on the morning it is 45°F and you can expect to have 1.8in of rainfall/month during this period.
From october to december the climate is very unfavorable. The temperature rises to 29°F.

Charts: temperature and rainfall in Helena (Montana)

In the charts below, you can see the following seasonal norms for the city of Helena (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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