World Resorts USA Mackinac Island Weather

Mackinac Island weather in March

Weather in Mackinac Island: March

Average day temperature: 31.1°F
Average night temperature: 27.4°F
Sea water temperature: 33.3°F
Number of sunny days: 4 days
Day length: 11.1 - 12.8 hours
Number of days with precipitation: 2 days
Precipitation totals: 1.0 in.

Air temperature in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
7
14
21
28
35
42
49
56
Day temperature   
Night temperature

The highest day temperature during March of 2025 was 43°F. At the same time the lowest night temperature was 6°F. Daily and nightly averages during March were 30.2°F and 25.9°F.

Sea water temperature in Mackinac Island in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
28
30
32
34
36
38
40

The average sea water temperature in March of 2025 was 33.0°F. The highest and lowest sea temperatures during the month were 33.8°F and 32.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
13%
31%
56%

Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in March, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
1.4
1.1
1.3
1.0
1.5
1.4
1.1
1.3
1.0
1.5
1.0

Precipitation total value in Mackinac Island in March is 1.0 in. Other months of the year show relatively similar values.

Wind speed in March, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.6
6.9
9.3
11.6
13.9
16.2
12.9
13.5
11.2
9.5
8.6
7.9
9.0
9.0
11.7
10.8
11.6
12.9
13.5
11.2
9.5
8.6
7.9
9.0
9.0
11.7
11.1
10.8
11.6

The average wind speed value in March is 11.1 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.3
5.0
6.6
8.3
9.9
11.6
2.4
3.4
5.4
7.7
9.1
9.7
8.8
8.1
5.0
3.1
2.3
2.4
3.4
5.4
7.7
9.1
9.7
8.8
8.1
5.0
4.3
3.1
2.3

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: 4.3.

Best time for vacation in Mackinac Island

Sunniest months:
July 15 days
August 15 days
September 13 days
Warmest months:
August 69.7 °F
July 69.6 °F
September 63.3 °F
Warmest sea temp:
August 66.9 °F
July 64.9 °F
September 62.8 °F
Coldest months:
February 22.9 °F
January 24.1 °F
March 31.1 °F
Rainiest months:
August 3 days
July 3 days
May 2 days
Windiest months:
November 13.5 mph
December 12.9 mph
April 11.7 mph

Mackinac Island on a weather map

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24 Hours Forecast
Mackinac Island
Local time: 00:41
April 06, sunday
0300
30°F
E
11 mph
0600
30°F
E
11 mph
0900
32°F
SE
11 mph
1200
34°F
E
10 mph
1500
34°F
E
12 mph
1800
32°F
E
9 mph
2100
30°F
S
7 mph
April 07, monday
0000
28°F
SW
11 mph
Units of measurement: °C / °F