Weather in Mackinac Island: April
| Average day temperature: | 39.6°F | |
| Average night temperature: | 35.5°F | |
| Sea water temperature: | 35.7°F | |
| Number of sunny days: | 6 days | |
| Day length: | 12.8 - 14.3 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.3 in. | |
| more information | ||
forecast
| Mackinac Island |
temperature
| Mackinac Island |
Air temperature in April, °F
The highest day temperature during April of 2025 was 50°F. At the same time the lowest night temperature was 22°F. Daily and nightly averages during April were 37.5°F and 34.6°F.
Sea water temperature in Mackinac Island in April, °F
The average sea water temperature in April of 2025 was 35.1°F. The highest and lowest sea temperatures during the month were 38.7°F and 32.2°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Mackinac Island in April is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in April is 11.7 mph It makes April one of the most windy months of the year.
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 April is: 5.1.
Best time for vacation in Mackinac Island
Mackinac Island on a weather map

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