Average sea water temperature in July:
+87.1°F
| Minimum sea water temperature in July: | 89.8°F |
| Maximum sea water temperature in July: | 83.7°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 89.4°F and 84.7°F.
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| Marco Island |
monthly
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| Marco Island |
current
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| Marco Island |
14 days
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| Marco Island |
Monthly sea water temperature in Marco Island, °F
Which USA resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| New Orleans | 87.4°F | 87.1°F |
| Bay Saint Louis | 87.2°F | 86.7°F |
| Clearwater Beach | 87.1°F | 88.3°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 |
| Naples | 86.6°F | 87.2°F |
| Cape Coral | 86.4°F | 87.2°F |
| Islamorada | 86.4°F | 87.4°F |
| Miami | 86.3°F | 86.9°F |
| Panama City Beach | 86.3°F | 86.8°F |
| Houston | 86.3°F | 86.4°F |
| Destin | 86.3°F | 86.6°F |
| Key Largo | 86.2°F | 87.1°F |
| Miramar Beach | 86.2°F | 86.7°F |
| Santa Rosa Beach | 86.2°F | 86.6°F |
| Fort Walton Beach | 86.1°F | 86.4°F |
Best time for vacation in Marco Island
Marco Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marco Island
Local time: 15:21
December 16, tuesday
1800

75°F
SW
15 mph
15 mph
2100

72°F
W
14 mph
14 mph
December 17, wednesday
0000

68°F
SW
13 mph
13 mph
0300

66°F
W
11 mph
11 mph
0600

66°F
W
10 mph
10 mph
0900

68°F
SW
9 mph
9 mph
1200

72°F
W
9 mph
9 mph
1500

73°F
N
4 mph
4 mph



























