Average sea water temperature in May:
+58.3°F
| Minimum sea water temperature in May: | 65.7°F |
| Maximum sea water temperature in May: | 51.1°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 56.4°F. The highest and lowest sea temperatures during the month were 58.6°F and 54.9°F.
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| South Bethany |
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| South Bethany |
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| South Bethany |
14 days
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| South Bethany |
Monthly sea water temperature in South Bethany, °F
Which USA resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Everglades | 84.9°F | 84.5°F |
| Key Largo | 84.0°F | 83.5°F |
| Key West | 83.9°F | 83.5°F |
| Miami | 82.8°F | 82.6°F |
| Cape Coral | 82.5°F | 83.4°F |
| Hialeah | 82.3°F | 82.3°F |
| Miami Beach | 82.0°F | 82.4°F |
| Marco Island | 82.0°F | 83.5°F |
| Naples | 81.7°F | 83.5°F |
| Fort Lauderdale | 80.8°F | 81.1°F |
| West Palm Beach | 80.8°F | 81.1°F |
| Tampa | 80.3°F | 82.7°F |
| St. Petersburg | 80.2°F | 82.6°F |
| Sarasota | 79.9°F | 82.7°F |
| Siesta Key | 79.7°F | 82.5°F |
| Clearwater Beach | 79.7°F | 82.6°F |
| Cocoa Beach | 78.5°F | 79.4°F |
| Corpus Christi | 78.3°F | 80.9°F |
| Hilo | 78.0°F | 77.7°F |
| Honolulu | 78.0°F | 78.1°F |
Best time for vacation in South Bethany
South Bethany on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Bethany
Local time: 11:41
May 15, friday
1200
59°F
SE
14 mph
14 mph
1500
64°F
SE
16 mph
16 mph
1800
61°F
SE
13 mph
13 mph
2100
59°F
SE
6 mph
6 mph
May 16, saturday
0000
57°F
SE
6 mph
6 mph
0300
55°F
E
7 mph
7 mph
0600
55°F
NE
6 mph
6 mph
0900
59°F
N
6 mph
6 mph
