November weather forecastIsle Royale National Park, MI

November
Weather in November
November is a prelude to winter in Isle Royale National Park, Michigan. A significant dip in temperature from October marks the gradual transition towards winter. The duration of daylight diminishes as the winter solstice approaches. Rainfall levels decrease slightly, in contrast to the relatively higher levels in the preceding months. The temperatures plummet between 23°F (-5°C) and 36°F (2.2°C), signifying the ushering of winter.Temperature
November's arrival brings a noticeable temperature shift, dropping from a fresh 51.8°F (11°C) in October to an icy 35.6°F (2°C). Isle Royale National Park, during November nights, observes an average temperature of 23°F (-5°C).Rainfall
In November, the rain falls for 9 days. Throughout November, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 125 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Ocean temperature
In Isle Royale National Park, Michigan, in November, the average water temperature is 41°F (5°C).Note: Swimming in 41°F (5°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.
Daylight
The average length of the day in November in Isle Royale National Park is 9h and 16min.On the first day of the month, sunrise is at 8:41 am and sunset at 6:36 pm EDT. On the last day of November, in Isle Royale National Park, sunrise is at 8:23 am and sunset at 5:05 pm EST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.
Sunshine
The months with the least sunshine are November and December, with an average of 3h of sunshine.UV index
The months with the lowest UV index in Isle Royale National Park are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 1 in November translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Isle Royale National Park, MI
- Average high temperature in November: 36°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in November: 23°F
The month with the highest average low temperature is July (54°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average rainfall in November
Isle Royale National Park, MI
- Average rainfall in November: 2.3"
The wettest month (with the highest rainfall) is September (3.4").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in November
Isle Royale National Park, MI
- Average rainfall days in November: 9 days
The months with the highest number of rainy days are June and September (13 days).
The months with the least rainy days are February and April (8 days).
Average sea temperature in November
Isle Royale National Park, MI
- Average sea temperature in November: 41°F
The best month for swimming (with the highest average sea temperature) is August (55°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (36°F).
Average daylight in November /
Average sunshine in November
Isle Royale National Park, MI
- Average daylight in November: 9h and 18min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in November: 3h
The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are November and December (Average sunshine: 3h).
Average UV index in November
Isle Royale National Park, MI
- Average UV index in November: 1
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).





