Isle Royale weather in May 2024

Expect 59°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Isle Royale in May. Check more long-term weather averages for Isle Royale in May before you book your next holiday to Michigan in 2024/2025.

  • 59°F maximum daytime temperature in May in Isle Royale59
    59°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Isle Royale10
    10 days with some rainfall
  • 37°F minimum night-time temperature in May in Isle Royale37
    37°F min night temperature
  • 15 hours of daylight per day in May in Isle Royale15
    15 hours of daylight per day
  • No heat & humidity in May in Isle Royale0
    No heat & humidity
  • 2.7 inches monthly rainfall in May in Isle Royale2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Isle Royale6
    6 (High) UV index
  • 37°F sea temperature in May in Isle Royale37
    37°F sea temperature

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The May 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)  |  Imperial (°F)

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How warm is it in Isle Royale in May?

Daytime temperatures usually reach 59°F in Isle Royale in May, falling to 37°F at night.

How sunny is it in Isle Royale in May?

There are normally 8 hours of bright sunshine each day in Isle Royale in May - that's 55% of daylight hours.

How warm is the sea around Isle Royale in May?

The average sea temperature around Isle Royale in May is 37°F.

Does it rain in Isle Royale in May?

There are usually 10 days with some rain in Isle Royale in May and the average monthly rainfall is 2.7 inches.

Isle Royale May sunrise & sunset times

Browse the sunrise and sunset times for Isle Royale in May 2024. Select a month to view Isle Royale sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2024 06:35 21:09
Thursday, 16th May 2024 06:13 21:29
Friday, 31st May 2024 05:59 21:46

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