Weather in Mackinac Island: March
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Average day temperature: | 31.1°F |
| Average night temperature: | 27.4°F | |
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Sea water temperature: | 33.2°F |
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Number of sunny days: | 4 days |
| Day length: | 11.1 - 12.8 hours | |
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Number of days with precipitation: | 2 days |
| Precipitation totals: | 1.1 in. | |
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forecast
| Mackinac Island |
temperature
| Mackinac Island |
Air temperature in March, °F
The highest day temperature during March of 2026 was 43°F. At the same time the lowest night temperature was 10°F. Daily and nightly averages during March were 30.8°F and 27.4°F.
Sea water temperature in Mackinac Island in March, °F
The average sea water temperature in March of 2026 was 32.9°F. The highest and lowest sea temperatures during the month were 36.1°F and 32.0°F.
Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in Mackinac Island in March is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in March is 11.0 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 4.5.
Best time for vacation in Mackinac Island
Mackinac Island on a weather map
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