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    Winter temperatures · Montana

    How cold does Helena get in winter?

    Helena right now

    38°FClear skies

    • Today48°F / 34°FClouds
    • Tomorrow55°F / 32°FClouds
    • Monday51°F / 31°FClouds
    Chilly. The sun's just for show.

    Live from OpenWeatherMap. Alerts from the National Weather Service.

    In a typical winter, December to February, Helena averages highs around 34°F and lows around 15°F.

    About 44 days a year never get above freezing. About 39 nights a year drop to 10°F or colder, and about 17 go below zero. That makes it the 14th coldest winter of the 129 US cities we track.

    Last updated

    The coldest low in the forecast for the next 48 hours is about 31°F.

    Helena gets about 17 nights a year below zero, then a warm wind off the mountains turns up and pretends it was never that bad.

    Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.

    More about the weather here

    Winter at a glance

    Average winter high34°F
    Average winter low15°F
    Days a year that stay below freezing44
    Nights a year at 32°F or colder170
    Nights a year at 10°F or colder39
    Nights a year below zero17
    Average summer high, for comparison82°F

    Winter here is December to February. Counts are averages a year.

    Cities with about the same winter

    Every city’s winter, coldest first

    Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00024144.