Average sea water temperature in July:
+65.1°F
| Minimum sea water temperature in July: | 71.8°F |
| Maximum sea water temperature in July: | 57.0°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 70.7°F and 59.0°F.
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| Mackinac Island |
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| Mackinac Island |
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| Mackinac Island |
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| Mackinac Island |
Monthly sea water temperature in Mackinac Island, °F
Which USA resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| New Orleans | 87.4°F | 87.1°F |
| Pass Christian | 87.3°F | 86.7°F |
| Bay Saint Louis | 87.2°F | 86.7°F |
| Clearwater Beach | 87.1°F | 88.3°F |
| St. Petersburg | 87.0°F | 88.0°F |
| Sarasota | 86.9°F | 87.9°F |
| Sanibel Island | 86.9°F | 87.7°F |
| Siesta Key | 86.9°F | 87.9°F |
| Pensacola | 86.9°F | 87.3°F |
| Tampa | 86.8°F | 87.4°F |
| Key West | 86.7°F | 87.6°F |
| Orange Beach | 86.7°F | 86.7°F |
| Pensacola Beach | 86.7°F | 87.1°F |
| Marco Island | 86.6°F | 87.4°F |
| Naples | 86.6°F | 87.2°F |
| Galveston | 86.4°F | 86.3°F |
| Islamorada | 86.4°F | 87.4°F |
| Galveston Island | 86.4°F | 86.4°F |
| Miami | 86.3°F | 86.9°F |
| Panama City Beach | 86.3°F | 86.8°F |
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: 20:48
December 30, tuesday
2100
21°F
E
13 mph
13 mph
December 31, wednesday
0000
19°F
E
14 mph
14 mph
0300
19°F
SE
14 mph
14 mph
0600
18°F
S
9 mph
9 mph
0900
18°F
SE
10 mph
10 mph
1200
16°F
SE
19 mph
19 mph
1500
16°F
SE
20 mph
20 mph
1800
14°F
SE
23 mph
23 mph
