Montana weather in June 2025

Expect 23°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Montana in June. Check more long-term weather averages for Montana in June before you book your next holiday to Montana in 2025/2026.

  • 23°C maximum daytime temperature in June in Montana (Helena)23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in June in Montana (Helena)10
    10 days with some rainfall
  • 8°C minimum night-time temperature in June in Montana (Helena)8
    8°C min night temperature
  • 16 hours of daylight per day in June in Montana (Helena)16
    16 hours of daylight per day
  • No heat & humidity in June in Montana (Helena)0
    No heat & humidity
  • 55 mm monthly rainfall in June in Montana (Helena)55
    55 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Montana (Helena)8
    8 (Very High) UV index

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The June 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 countries, regions and places in Montana in June. Select a holiday destination to see more weather parameters.

All Montana destinations

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

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How hot is it in Montana in June?

Daytime temperatures usually reach 23°C in Helena, Montana in June, falling to 8°C at night.

How sunny is it in Montana in June?

There are normally 10 hours of bright sunshine each day in Helena, Montana in June - that's 65% of daylight hours.

Does it rain in Montana in June?

There are usually 10 days with some rain in Helena, Montana in June and the average monthly rainfall is 55mm.

Montana June sunrise & sunset times

Browse the sunrise and sunset times for Montana in June 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
Sunday, 1st June 2025 04:38 20:14
Sunday, 15th June 2025 04:34 20:23
Monday, 30th June 2025 04:39 20:25

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