Average sea water temperature in January:
+42.5°F
| Minimum sea water temperature in January: | 48.7°F |
| Maximum sea water temperature in January: | 34.9°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 39.5°F. The highest and lowest sea temperatures during the month were 42.1°F and 35.2°F.
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temperature
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| South Bethany |
monthly
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| South Bethany |
current
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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 January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Hilo | 77.3°F | 77.2°F |
| Molokai | 77.3°F | 77.4°F |
| Honolulu | 77.2°F | 77.6°F |
| Hawaii | 77.2°F | 77.5°F |
| Maui | 77.0°F | 76.9°F |
| Kauai | 77.0°F | 75.0°F |
| Oahu | 76.1°F | 76.5°F |
| Fort Lauderdale | 75.9°F | 75.1°F |
| Miami Beach | 74.0°F | 73.1°F |
| Key West | 72.5°F | 70.3°F |
| Miami | 71.2°F | 70.7°F |
| Naples | 67.7°F | 64.7°F |
| Cocoa Beach | 66.9°F | 60.9°F |
| Siesta Key | 65.0°F | 61.5°F |
| Sarasota | 65.0°F | 61.2°F |
| Orlando | 64.8°F | 59.8°F |
| Tampa | 64.3°F | 60.4°F |
| Daytona Beach | 64.1°F | 59.7°F |
| Corpus Christi | 63.9°F | 61.6°F |
| St. Petersburg | 63.5°F | 59.6°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: 03:14
June 30, tuesday
0600

70°F
N
4 mph
4 mph
0900

70°F
N
3 mph
3 mph
1200

73°F
N
9 mph
9 mph
1500

75°F
N
13 mph
13 mph
1800

75°F
N
12 mph
12 mph
2100

72°F
N
12 mph
12 mph
July 01, wednesday
0000

72°F
N
12 mph
12 mph
0300

72°F
N
15 mph
15 mph



























