Isle Royale weather in March 2025

Expect 32°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Isle Royale in March. Check more long-term weather averages for Isle Royale in March before you book your next holiday to Michigan in 2025/2026.

  • 32°F maximum daytime temperature in March in Isle Royale32
    32°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in March in Isle Royale9
    9 days with some rainfall
  • 12°F minimum night-time temperature in March in Isle Royale12
    12°F min night temperature
  • 12 hours of daylight per day in March in Isle Royale12
    12 hours of daylight per day
  • No heat & humidity in March in Isle Royale0
    No heat & humidity
  • 1.9 inches monthly rainfall in March in Isle Royale1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Isle Royale3
    3 (Moderate) UV index
  • 36°F sea temperature in March in Isle Royale36
    36°F sea temperature

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The March 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 cold is it in Isle Royale in March?

Daytime temperatures usually reach 32°F in Isle Royale in March, falling to 12°F at night.

How sunny is it in Isle Royale in March?

There are normally 5 hours of bright sunshine each day in Isle Royale in March - that's 45% of daylight hours.

How warm is the sea around Isle Royale in March?

The average sea temperature around Isle Royale in March is 36°F.

Does it rain in Isle Royale in March?

There are usually 9 days with some rain in Isle Royale in March and the average monthly rainfall is 1.9 inches. Rain may fall as snow in this month.

Isle Royale March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:35 18:39
Sunday, 16th March 2025 07:05 19:02
Monday, 31st March 2025 06:34 19:24

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