World Resorts USA Mackinac Island Weather

Mackinac Island Sea Temperature in January

Average sea water temperature in January:
+35.3°F
Minimum sea water temperature in January: 38.5°F
Maximum sea water temperature in January: 32.0°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 33.5°F. The highest and lowest sea temperatures during the month were 36.1°F and 32.0°F.

Monthly sea water temperature in Mackinac Island, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Hilo 77.3°F 77.2°F
Molokai 77.3°F 77.4°F
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°F
Maui 77.0°F 76.9°F
Kauai 77.0°F 75.0°F
West Palm Beach 76.6°F 75.5°F
Oahu 76.1°F 76.5°F
Fort Lauderdale 75.9°F 75.1°F
Miami Beach 74.0°F 73.1°F
Key West 72.5°F 70.3°F
Miami 71.2°F 70.7°F
Naples 67.7°F 64.7°F
Cocoa Beach 66.9°F 60.9°F
Siesta Key 65.0°F 61.5°F
Sarasota 65.0°F 61.2°F
Orlando 64.8°F 59.8°F
Tampa 64.3°F 60.4°F
Daytona Beach 64.1°F 59.7°F
Corpus Christi 63.9°F 61.6°F

Best time for vacation in Mackinac Island

Sunniest months:
July 14 days
August 14 days
May 12 days
Warmest months:
August 69.4 °F
July 69.3 °F
September 62.9 °F
Warmest sea temp:
August 67.3 °F
July 65.1 °F
September 62.7 °F
Coldest months:
February 23.1 °F
January 23.4 °F
December 30.7 °F
Rainiest months:
August 3 days
April 2 days
July 2 days
Windiest months:
November 13.5 mph
December 13.2 mph
April 11.6 mph

Mackinac Island on a weather map

Mackinac Island
+68°F
E 7 mph
Feels like: +68°F
Precip.: 4%
Places in USA:
Name
°F
+79°F
+79°F
+108°F
+77°F
+88°F
+86°F
+75°F
+82°F
+86°F
+72°F
+63°F
+90°F
+86°F
+88°F
+70°F
24 Hours Forecast
Mackinac Island
Local time: 19:28
June 26, friday
2100
63°F
SE
5 mph
June 27, saturday
0000
61°F
S
4 mph
0300
59°F
E
2 mph
0600
57°F
S
3 mph
0900
61°F
S
3 mph
1200
66°F
W
2 mph
1500
68°F
NW
6 mph
1800
66°F
W
8 mph
Units of measurement: °C / °F