Helena weather in June 2025

Expect daytime maximum temperatures of 23°C in Helena in June based on long-term weather averages. There are 10 hours of sunshine per day on average with 10 days with some rainfall and typically 55 mm of rainfall in the month.

  • 23°C maximum daytime temperature in June in Helena23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in June in Helena10
    10 days with some rainfall
  • 8°C minimum night-time temperature in June in Helena8
    8°C 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
  • 55 mm monthly rainfall in June in Helena55
    55 mm 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Helena in June?

Daytime temperatures usually reach 23°C in Helena in June, falling to 8°C 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 55mm.

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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