Great Falls weather in June 2025

Expect 23°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Great Falls in June. Check more long-term weather averages for Great Falls in June before you book your next holiday to Montana in 2025/2026.

  • 23°C maximum daytime temperature in June in Great Falls23
    23°C max day temperature
  • 11 hours of sunshine per day
  • 11 days with some rainfall in June in Great Falls11
    11 days with some rainfall
  • 9°C minimum night-time temperature in June in Great Falls9
    9°C min night temperature
  • 16 hours of daylight per day in June in Great Falls16
    16 hours of daylight per day
  • No heat & humidity in June in Great Falls0
    No heat & humidity
  • 71 mm monthly rainfall in June in Great Falls71
    71 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Great Falls8
    8 (Very High) UV index

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The June 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Great Falls in June?

Daytime temperatures usually reach 23°C in Great Falls in June, falling to 9°C at night.

How sunny is it in Great Falls in June?

There are normally 11 hours of bright sunshine each day in Great Falls in June - that's 67% of daylight hours.

Does it rain in Great Falls in June?

There are usually 11 days with some rain in Great Falls in June and the average monthly rainfall is 71mm.

Great Falls June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:32 20:15
Sunday, 15th June 2025 04:27 20:24
Monday, 30th June 2025 04:32 20:26

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