Weather in Mackinac Island in Summer
June | July | August | ||||
Average day temperature: | 63.3°F | 69.6°F | 69.7°F | |||
Average night temperature: | 56.8°F | 63.0°F | 63.8°F | |||
Sea water temperature: | 54.9°F | 64.9°F | 66.8°F | |||
Number of sunny days: | 12 days | 15 days | 15 days | |||
Day length: | 15.5 - 15.7 h. | 14.8 - 15.7 h. | 13.3 - 14.8 h. | |||
Number of rainy days: | 2 days | 3 days | 3 days | |||
Precipitation totals: | 1.0 in. | 1.3 in. | 1.1 in. |
current
weather
weather
Mackinac Island |
monthly
weather
weather
Mackinac Island |
sea water
temperature
temperature
Mackinac Island |
14 days
forecast
forecast
Mackinac Island |
Day & Night air temperature, °F
June
July
August
0
11
22
33
44
55
66
77
88
69.7
69.6
63.3
63.8
63.0
56.8
Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
11
22
33
44
55
66
77
88
66.8
64.9
54.9
Precipitation total, in.
June
July
August
0.0
0.2
0.4
0.7
0.9
1.1
1.3
1.5
1.1
1.3
1
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
7
6
8
9
11
10
15
15
12
Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
Mackinac Island |
weather in
spring
spring
Mackinac Island |
weather in
summer
summer
Mackinac Island |
weather in
autumn
autumn
Mackinac Island |
Wind speed, mph
June
July
August
0.0
1.5
3.1
4.6
6.1
7.7
9.2
10.7
8.6
7.9
9
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
11
9.1
9.7
8.8
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Mackinac Island
Mackinac Island on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Mackinac Island
Local time: 08:13
April 17, thursday
0900

34°F
NW
9 mph
9 mph
1200

36°F
NW
9 mph
9 mph
1500

39°F
W
15 mph
15 mph
1800

39°F
W
12 mph
12 mph
2100

39°F
NW
11 mph
11 mph
April 18, friday
0000

41°F
NW
12 mph
12 mph
0300

43°F
N
11 mph
11 mph
0600

43°F
N
12 mph
12 mph