Weather Forecast and Radar for Helena, Montana

Weather in Helena, MT

Helena, Montana experiences all four seasons throughout the year. In the winter, temperatures range from an average low of 11°F in December to an average high of 42°F in March. The coldest temperatures of the year occur in January, with an average low of -4°F and an average high of 30°F. Snowfall averages about 65 inches per year in Helena.

In the spring, temperatures gradually warm up, with an average low of 27°F in April and an average high of 64°F in June. Rainfall is usually highest in April and May, with an average total of 4.6 inches per month.

The summer months are usually warm and dry in Helena, with temperatures ranging from an average low of 44°F in July to an average high of 87°F in August. The warmest temperatures of the year occur in July and August, with an average high of 92°F.

In the fall, temperatures gradually cool down, with an average low of 28°F in October and an average high of 59°F in November. Rainfall is usually highest in October, with an average total of 4.3 inches per month.

Fast Facts About Helena, MT

As of 2020, the city population is 32655.

Major Cities Nearby Helena, MT

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Helena, Montana.