Isle Royale weather in June 2025

Expect 20°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Isle Royale in June. Check more long-term weather averages for Isle Royale in June before you book your next holiday to Michigan in 2025/2026.

  • 20°C maximum daytime temperature in June in Isle Royale20
    20°C max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in June in Isle Royale13
    13 days with some rainfall
  • 8°C minimum night-time temperature in June in Isle Royale8
    8°C min night temperature
  • 16 hours of daylight per day in June in Isle Royale16
    16 hours of daylight per day
  • No heat & humidity in June in Isle Royale0
    No heat & humidity
  • 81 mm monthly rainfall in June in Isle Royale81
    81 mm of monthly rainfall
  • UV (maximum) index 7 (High) in June in Isle Royale7
    7 (High) UV index
  • 3°C sea temperature in June in Isle Royale3
    3°C sea temperature

More about Isle Royale

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The June weather guide for Michigan (Isle Royale) 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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More about the USA

How hot is it in Isle Royale in June?

Daytime temperatures usually reach 20°C in Isle Royale in June, falling to 8°C at night.

How sunny is it in Isle Royale in June?

There are normally 9 hours of bright sunshine each day in Isle Royale in June - that's 55% of daylight hours.

Is the sea cold around Isle Royale in June?

The average sea temperature around Isle Royale in June is 3°C.

Does it rain in Isle Royale in June?

There are usually 13 days with some rain in Isle Royale in June and the average monthly rainfall is 81mm.

Isle Royale June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:58 20:47
Sunday, 15th June 2025 04:54 20:56
Monday, 30th June 2025 04:58 20:58

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