Helena weather in June 2025

Expect 73°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Helena in June. Check more long-term weather averages for Helena in June before you book your next holiday to Montana in 2025/2026.

  • 73°F maximum daytime temperature in June in Helena73
    73°F max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in June in Helena10
    10 days with some rainfall
  • 46°F minimum night-time temperature in June in Helena46
    46°F min night temperature
  • 16 hours of daylight per day in June in Helena16
    16 hours of daylight per day
  • No heat & humidity in June in Helena0
    No heat & humidity
  • 2.2 inches monthly rainfall in June in Helena2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Helena8
    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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Helena in June?

Daytime temperatures usually reach 73°F in Helena in June, falling to 46°F at night.

How sunny is it in Helena in June?

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

Does it rain in Helena in June?

There are usually 10 days with some rain in Helena in June and the average monthly rainfall is 2.2 inches.

Helena June sunrise & sunset times

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

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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