Average sea water temperature in May:
+51.1°F
| Minimum sea water temperature in May: | 57.7°F |
| Maximum sea water temperature in May: | 45.5°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 50.3°F. The highest and lowest sea temperatures during the month were 55.6°F and 46.6°F.
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| Block Island |
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| Block Island |
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| Block Island |
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| Block Island |
Monthly sea water temperature in Block Island, °F
Which USA resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Key West | 84.3°F | 83.5°F |
| Miami | 83.3°F | 82.6°F |
| Naples | 82.9°F | 83.5°F |
| Miami Beach | 82.7°F | 82.4°F |
| St. Petersburg | 82.0°F | 82.6°F |
| Tampa | 81.9°F | 82.7°F |
| West Palm Beach | 81.7°F | 81.1°F |
| Fort Lauderdale | 81.7°F | 81.1°F |
| Clearwater Beach | 81.5°F | 82.6°F |
| Sarasota | 81.5°F | 82.7°F |
| Siesta Key | 81.3°F | 82.5°F |
| Corpus Christi | 79.5°F | 80.9°F |
| Kailua Kona | 79.4°F | 79.1°F |
| South Padre Island | 79.1°F | 80.0°F |
| Orlando | 78.4°F | 77.2°F |
| Houston | 78.4°F | 79.5°F |
| Daytona Beach | 78.1°F | 76.0°F |
| New Orleans | 78.0°F | 79.5°F |
| Honolulu | 78.0°F | 78.1°F |
| Hawaii | 77.9°F | 78.0°F |
Best time for vacation in Block Island
Block Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Block Island
Local time: 12:50
July 21, tuesday
1500
72°F
NW
22 mph
22 mph
1800
73°F
N
21 mph
21 mph
2100
73°F
NE
43 mph
43 mph
July 22, wednesday
0000
72°F
NE
19 mph
19 mph
0300
72°F
NE
25 mph
25 mph
0600
72°F
NE
23 mph
23 mph
0900
72°F
NE
19 mph
19 mph
1200
72°F
NE
24 mph
24 mph
