Average sea water temperature in May:
+58.7°F
| Minimum sea water temperature in May: | 66.7°F |
| Maximum sea water temperature in May: | 51.6°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 58.5°F. The highest and lowest sea temperatures during the month were 63.5°F and 54.3°F.
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| Rehoboth Beach |
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| Rehoboth Beach |
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| Rehoboth Beach |
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| Rehoboth Beach |
Monthly sea water temperature in Rehoboth Beach, °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 |
| 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 |
| Cocoa Beach | 80.4°F | 79.4°F |
| Corpus Christi | 79.5°F | 80.9°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 |
| St. George Island | 77.8°F | 79.2°F |
Best time for vacation in Rehoboth Beach
Rehoboth Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Rehoboth Beach
Local time: 16:56
September 14, monday
1800
75°F
S
19 mph
19 mph
2100
73°F
S
21 mph
21 mph
September 15, tuesday
0000
70°F
SW
20 mph
20 mph
0300
70°F
SW
13 mph
13 mph
0600
70°F
SW
14 mph
14 mph
0900
72°F
SW
13 mph
13 mph
1200
72°F
W
12 mph
12 mph
1500
70°F
W
11 mph
11 mph
