Isle Royale weather in December 2019

  • -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

Going to Isle Royale? Find the best month to visit Isle Royale based on the weather.

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

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 2019/2020.

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More about Isle Royale

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

The December weather guide for Isle Royale, Michigan 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)

Guide to Isle Royale weather in December

The average maximum daytime temperature in Isle Royale in December is a very cold -5°C (23°F). The average night-time temperature is usually a very cold -14°C (7°F). There are usually 3 hours of bright sunshine each day, which represents 33% of the 8 hours of daylight.

Expect 59mm (2.3 inches) of rainfall across the whole of December with 11 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.

The average sea temperature in and around Isle Royale in December is 4°C (39°F).

Isle Royale sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Isle Royale in December 2019. Select a month to view Isle Royale sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 08:23 17:03
Monday, 2nd December 2019 08:24 17:03
Tuesday, 3rd December 2019 08:26 17:02
Wednesday, 4th December 2019 08:27 17:02
Thursday, 5th December 2019 08:28 17:01
Friday, 6th December 2019 08:29 17:01
Saturday, 7th December 2019 08:30 17:01
Sunday, 8th December 2019 08:31 17:01
Monday, 9th December 2019 08:32 17:01
Tuesday, 10th December 2019 08:33 17:01
Wednesday, 11th December 2019 08:34 17:01
Thursday, 12th December 2019 08:35 17:01
Friday, 13th December 2019 08:36 17:01
Saturday, 14th December 2019 08:37 17:01
Sunday, 15th December 2019 08:38 17:01
Monday, 16th December 2019 08:38 17:01
Tuesday, 17th December 2019 08:39 17:01
Wednesday, 18th December 2019 08:40 17:02
Thursday, 19th December 2019 08:40 17:02
Friday, 20th December 2019 08:41 17:02
Saturday, 21st December 2019 08:42 17:03
Sunday, 22nd December 2019 08:42 17:03
Monday, 23rd December 2019 08:43 17:04
Tuesday, 24th December 2019 08:43 17:05
Wednesday, 25th December 2019 08:43 17:05
Thursday, 26th December 2019 08:44 17:06
Friday, 27th December 2019 08:44 17:07
Saturday, 28th December 2019 08:44 17:07
Sunday, 29th December 2019 08:44 17:08
Monday, 30th December 2019 08:44 17:09
Tuesday, 31st December 2019 08:44 17:10
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