Isle Royale weather in December 2024

Expect -5°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Isle Royale in December. Check more long-term weather averages for Isle Royale in December before you book your next holiday to Michigan in 2024/2025.

  • -5°C maximum daytime temperature in December in Isle Royale-5
    -5°C max day temperature
  • 3 hours of sunshine per day
  • 11 days with some rainfall in December in Isle Royale11
    11 days with some rainfall
  • -14°C minimum night-time temperature in December in Isle Royale-14
    -14°C min night temperature
  • 8 hours of daylight per day in December in Isle Royale8
    8 hours of daylight per day
  • No heat & humidity in December in Isle Royale0
    No heat & humidity
  • 59 mm monthly rainfall in December in Isle Royale59
    59 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Isle Royale1
    1 (Low) UV index
  • 4°C sea temperature in December in Isle Royale4
    4°C sea temperature

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Isle Royale by month

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The December 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 cold is it in Isle Royale in December?

Daytime temperatures usually reach -5°C in Isle Royale in December, falling to -14°C at night.

How sunny is it in Isle Royale in December?

There are normally 3 hours of bright sunshine each day in Isle Royale in December - that's 33% of daylight hours.

Is the sea cold around Isle Royale in December?

The average sea temperature around Isle Royale in December is 4°C.

Does it rain in Isle Royale in December?

There are usually 11 days with some rain in Isle Royale in December and the average monthly rainfall is 59mm. Rain may fall as snow in this month.

Isle Royale December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 08:24 17:03
Monday, 16th December 2024 08:39 17:01
Tuesday, 31st December 2024 08:44 17:11

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