Montana weather in March 2025

Expect 6°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Montana in March. Check more long-term weather averages for Montana in March before you book your next holiday to Montana in 2025/2026.

  • 6°C maximum daytime temperature in March in Montana (Helena)6
    6°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in March in Montana (Helena)10
    10 days with some rainfall
  • -6°C minimum night-time temperature in March in Montana (Helena)-6
    -6°C min night temperature
  • 12 hours of daylight per day in March in Montana (Helena)12
    12 hours of daylight per day
  • No heat & humidity in March in Montana (Helena)0
    No heat & humidity
  • 21 mm monthly rainfall in March in Montana (Helena)21
    21 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Montana (Helena)3
    3 (Moderate) UV index

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The March weather guide for Montana (Helena) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Montana destinations

Below are average maximum temperatures at popular destinations in Montana in March. Select a destination to see more weather parameters.

All Montana destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Montana in March?

Daytime temperatures usually reach 6°C in Helena, Montana in March, falling to -6°C at night.

How sunny is it in Montana in March?

There are normally 7 hours of bright sunshine each day in Helena, Montana in March - that's 60% of daylight hours.

Does it rain in Montana in March?

There are usually 10 days with some rain in Helena, Montana in March and the average monthly rainfall is 21mm. Rain may fall as snow in this month.

Montana March sunrise & sunset times

Browse the sunrise and sunset times for Montana in March 2025. Select a month to view Montana sunrise and sunset times for the next 12 months. The Montana sunrise and sunset times shown below are for Helena.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:07 18:15
Sunday, 16th March 2025 06:38 18:36
Monday, 31st March 2025 06:09 18:56

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