Great Falls weather in March 2025

Expect 43°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Great Falls in March. Check more long-term weather averages for Great Falls in March before you book your next holiday to Montana in 2025/2026.

  • 43°F maximum daytime temperature in March in Great Falls43
    43°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Great Falls9
    9 days with some rainfall
  • 21°F minimum night-time temperature in March in Great Falls21
    21°F min night temperature
  • 12 hours of daylight per day in March in Great Falls12
    12 hours of daylight per day
  • No heat & humidity in March in Great Falls0
    No heat & humidity
  • 0.9 inches monthly rainfall in March in Great Falls0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Great Falls3
    3 (Moderate) UV index

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The March weather guide for Montana (Great Falls) 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.

Metric (°C)  |  Imperial (°F)

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How cold is it in Great Falls in March?

Daytime temperatures usually reach 43°F in Great Falls in March, falling to 21°F at night.

How sunny is it in Great Falls in March?

There are normally 8 hours of bright sunshine each day in Great Falls in March - that's 63% of daylight hours.

Does it rain in Great Falls in March?

There are usually 9 days with some rain in Great Falls in March and the average monthly rainfall is 0.9 inches. Rain may fall as snow in this month.

Great Falls March sunrise & sunset times

Browse the sunrise and sunset times for Great Falls in March 2025. Select a month to view Great Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:05 18:11
Sunday, 16th March 2025 06:35 18:33
Monday, 31st March 2025 06:05 18:54

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