22.12
mon
mon
Day
32°F
NE 16 mph
Precip.
0%
0%
Night
32°F
NW 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
34°F
NE 8 mph
Precip.
0%
0%
Night
30°F
SE 18 mph
Precip.
0%
0%
24.12
wed
wed
Day
28°F
NW 9 mph
Precip.
0%
0%
Night
32°F
N 9 mph
Precip.
0%
0%
25.12
thu
thu
Day
32°F
W 7 mph
Precip.
0%
0%
Night
34°F
N 4 mph
Precip.
100%
100%
26.12
fri
fri
Day
19°F
S 18 mph
Precip.
0%
0%
Night
18°F
W 9 mph
Precip.
0%
0%
27.12
sat
sat
Day
27°F
N 13 mph
Precip.
0%
0%
Night
34°F
NE 15 mph
Precip.
100%
100%
28.12
sun
sun
Day
21°F
SE 27 mph
Precip.
100%
100%
Night
16°F
SE 21 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 38.8°F. The highest and lowest sea temperatures during the month were 42.4°F and 36.9°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: 05:27
December 22, monday
0600
30°F
NE
12 mph
12 mph
0900
30°F
NE
12 mph
12 mph
1200
32°F
NE
16 mph
16 mph
1500
32°F
NE
13 mph
13 mph
1800
32°F
NE
7 mph
7 mph
2100
32°F
N
7 mph
7 mph
December 23, tuesday
0000
32°F
NW
6 mph
6 mph
0300
32°F
NW
7 mph
7 mph
