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Helena
Weather averages
ClimateForecastNovemberDecember >>

Helena (MT) Climate by Month

The graphs below provide an overview of the climate in Helena (Montana), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year

Forecast for Helena (MT)

Fri   Nov 08
11°C | -4°C
W 11 km/h
clear and no rain

clear and no rain

hourly forecast
Sat   Nov 09
12°C | -2°C
SE 11 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sun   Nov 10
10°C | 1°C
E 7 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Helena in the United States of America

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Does Helena have a dry season?
    Yes, the months of January and February are very dry.
  • When is winter in Helena?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Helena?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Helena?
    The coldest month is December with an average maximum temperature of -0°C.
  • Which is the wettest month in Helena?
    May tops the wettest month list with 59 mm of rainfall.
  • Which is the driest month in Helena?
    January is the driest month with 17 mm of precipitation.
  • Which is the sunniest month in Helena?
    July is the sunniest month with an average of 370 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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