25.12
thu
thu
Day
23°F
SW 13 mph
Precip.
0%
0%
Night
25°F
NW 21 mph
Precip.
0%
0%
26.12
fri
fri
Day
28°F
NW 25 mph
Precip.
100%
100%
Night
30°F
W 7 mph
Precip.
0%
0%
27.12
sat
sat
Day
28°F
NW 9 mph
Precip.
0%
0%
Night
30°F
NW 17 mph
Precip.
0%
0%
28.12
sun
sun
Day
32°F
NW 13 mph
Precip.
100%
100%
Night
30°F
SE 17 mph
Precip.
100%
100%
29.12
mon
mon
Day
21°F
SE 27 mph
Precip.
100%
100%
Night
19°F
SE 27 mph
Precip.
100%
100%
30.12
tue
tue
Day
19°F
SE 16 mph
Precip.
67%
67%
Night
21°F
E 11 mph
Precip.
100%
100%
31.12
wed
wed
Day
27°F
E 16 mph
Precip.
100%
100%
Night
19°F
SW 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| Mackinac Island |
monthly
weather
weather
| Mackinac Island |
current
weather
weather
| Mackinac Island |
14 days
forecast
forecast
| Mackinac Island |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 38.6°F. The highest and lowest sea temperatures during the month were 42.4°F and 36.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 36.2°F. The highest and lowest sea temperatures during the month were 38.5°F and 34.0°F.
Air temperature in Mackinac Island, °F
Precipitation total in Mackinac Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mackinac Island
Mackinac Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mackinac Island
Local time: 01:28
December 25, thursday
0300
32°F
SE
9 mph
9 mph
0600
28°F
S
13 mph
13 mph
0900
27°F
S
16 mph
16 mph
1200
23°F
SW
13 mph
13 mph
1500
21°F
SW
11 mph
11 mph
1800
21°F
W
12 mph
12 mph
2100
23°F
W
17 mph
17 mph
December 26, friday
0000
25°F
NW
21 mph
21 mph
