Average sea water temperature in July:
+87.1°F
| Minimum sea water temperature in July: | 91.2°F |
| Maximum sea water temperature in July: | 83.5°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 89.2°F and 84.4°F.
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| Key Largo |
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| Key Largo |
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| Key Largo |
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| Key Largo |
Monthly sea water temperature in Key Largo, °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 Key Largo
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 15:41
December 30, tuesday
1800

73°F
SE
11 mph
11 mph
2100

68°F
S
18 mph
18 mph
December 31, wednesday
0000

64°F
S
19 mph
19 mph
0300

61°F
S
17 mph
17 mph
0600

59°F
S
19 mph
19 mph
0900

59°F
S
19 mph
19 mph
1200

63°F
S
14 mph
14 mph
1500

68°F
S
9 mph
9 mph



























