Isle Royale weather in January 2025

Expect 18°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Isle Royale in January. Check more long-term weather averages for Isle Royale in January before you book your next holiday to Michigan in 2025/2026.

  • 18°F maximum daytime temperature in January in Isle Royale18
    18°F max day temperature
  • 4 hours of sunshine per day
  • 10 days with some rainfall in January in Isle Royale10
    10 days with some rainfall
  • -0°F minimum night-time temperature in January in Isle Royale-0
    -0°F min night temperature
  • 9 hours of daylight per day in January in Isle Royale9
    9 hours of daylight per day
  • No heat & humidity in January in Isle Royale0
    No heat & humidity
  • 2.5 inches monthly rainfall in January in Isle Royale2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Isle Royale1
    1 (Low) UV index
  • 36°F sea temperature in January in Isle Royale36
    36°F sea temperature

More about Isle Royale

Isle Royale by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Michigan

Travel Up: up to 40% + £25 off holidays

  • Save up to 40% on spring Holiday bookings
  • EXTRA £25 off with promo code at check out
  • Discount only applies to bookings over £750
Show discount codeShow discount code ******G25
Redeem Travel Up discount code >>

Expires at 23:59 on Tuesday 30th Apr 2024 · View all Travel Up offers

The January 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)

Back to top

More about the USA

How cold is it in Isle Royale in January?

Daytime temperatures usually reach 18°F in Isle Royale in January, falling to -0°F at night.

How sunny is it in Isle Royale in January?

There are normally 4 hours of bright sunshine each day in Isle Royale in January - that's 41% of daylight hours.

How warm is the sea around Isle Royale in January?

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

Does it rain in Isle Royale in January?

There are usually 10 days with some rain in Isle Royale in January and the average monthly rainfall is 2.5 inches. Rain may fall as snow in this month.

Isle Royale January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:44 17:12
Thursday, 16th January 2025 08:38 17:30
Friday, 31st January 2025 08:23 17:53

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^