Lewistown weather in June 2025

Expect 72°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Lewistown in June. Check more long-term weather averages for Lewistown in June before you book your next holiday to Montana in 2025/2026.

  • 72°F maximum daytime temperature in June in Lewistown72
    72°F max day temperature
  • 11 hours of sunshine per day
  • 10 days with some rainfall in June in Lewistown10
    10 days with some rainfall
  • 45°F minimum night-time temperature in June in Lewistown45
    45°F min night temperature
  • 16 hours of daylight per day in June in Lewistown16
    16 hours of daylight per day
  • No heat & humidity in June in Lewistown0
    No heat & humidity
  • 3.1 inches monthly rainfall in June in Lewistown3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Lewistown8
    8 (Very High) UV index

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The June weather guide for Montana (Lewistown) 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 Lewistown in June?

Daytime temperatures usually reach 72°F in Lewistown in June, falling to 45°F at night.

How sunny is it in Lewistown in June?

There are normally 11 hours of bright sunshine each day in Lewistown in June - that's 68% of daylight hours.

Does it rain in Lewistown in June?

There are usually 10 days with some rain in Lewistown in June and the average monthly rainfall is 3.1 inches.

Lewistown June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:26 20:06
Sunday, 15th June 2025 04:22 20:15
Monday, 30th June 2025 04:26 20:17

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