Measurements:
°C
°F
CURRENT WEATHER
00:49
Mackinac Island
58°F
NW 6 mph
Feels like: 56°F
Precip: 0%
World Resorts USA Mackinac Island Weather

7 Day Weather Forecast

05.19
sun
DAY
60°F
E 6 mph
precip
0%
NIGHT
56°F
N 3 mph
precip
0%
05.20
mon
DAY
60°F
W 12 mph
precip
0%
NIGHT
54°F
E 12 mph
precip
61%
05.21
tue
DAY
58°F
NW 4 mph
precip
0%
NIGHT
60°F
NE 7 mph
precip
100%
05.22
wed
DAY
58°F
NE 23 mph
precip
0%
NIGHT
46°F
E 21 mph
precip
0%
05.23
thu
DAY
50°F
E 14 mph
precip
0%
NIGHT
52°F
E 5 mph
precip
0%
05.24
fri
DAY
54°F
W 10 mph
precip
0%
NIGHT
50°F
NW 13 mph
precip
0%
05.25
sat
DAY
58°F
W 15 mph
precip
0%
NIGHT
58°F
NW 8 mph
precip
100%

Mackinac Island Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Mackinac Island was 5.6°F. The maximum and minimum values were 2.3°F and 11.4°F respectively.

Mackinac Island on the Weather Map

Best Time to Visit Mackinac Island
The most sunny months:
July 15 days
August 15 days
September 14 days
The most warm months:
August 72.0 °F
July 71.8 °F
June 64.9 °F
Warmest sea temperature:
August 68.4 °F
July 66.4 °F
September 63.8 °F
The most cold months:
February 20.1 °F
January 21.8 °F
March 29.2 °F
The most rainy months:
August 4 days
July 3 days
March 2 days
The most windy months:
November 13 mph
December 12 mph
April 11 mph
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