Average sea water temperature in July:
+70.1°F
| Minimum sea water temperature in July: | 75.6°F |
| Maximum sea water temperature in July: | 63.9°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 72.9°F and 63.9°F.
sea water
temperature
temperature
| Nantucket |
monthly
weather
weather
| Nantucket |
current
weather
weather
| Nantucket |
14 days
forecast
forecast
| Nantucket |
Monthly sea water temperature in Nantucket, °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 |
| Gulfport | 87.1°F | 86.6°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 |
| 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 Nantucket
Nantucket on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Nantucket
Local time: 16:59
February 04, wednesday
1800
28°F
SE
16 mph
16 mph
2100
23°F
SE
17 mph
17 mph
February 05, thursday
0000
25°F
SE
13 mph
13 mph
0300
27°F
SE
9 mph
9 mph
0600
27°F
SE
9 mph
9 mph
0900
27°F
E
8 mph
8 mph
1200
28°F
E
11 mph
11 mph
1500
30°F
SE
11 mph
11 mph
