Average sea water temperature in March:
+45.0°F
| Minimum sea water temperature in March: | 50.5°F |
| Maximum sea water temperature in March: | 38.8°F |
Daily sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 44.5°F. The highest and lowest sea temperatures during the month were 49.1°F and 39.9°F.
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| Dewey Beach |
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| Dewey Beach |
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| Dewey Beach |
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| Dewey Beach |
Monthly sea water temperature in Dewey Beach, °F
Which USA resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Kailua Kona | 77.7°F | 76.5°F |
| Honolulu | 76.8°F | 75.8°F |
| Hawaii | 76.7°F | 75.7°F |
| Maui | 76.0°F | 75.1°F |
| Fort Lauderdale | 75.8°F | 75.7°F |
| Oahu | 75.7°F | 74.5°F |
| Miami Beach | 75.3°F | 76.0°F |
| Islamorada | 75.2°F | 77.3°F |
| Key Largo | 75.1°F | 76.9°F |
| Princeville | 75.1°F | 74.5°F |
| Kauai | 75.0°F | 74.5°F |
| Key West | 74.5°F | 76.5°F |
| Everglades | 74.4°F | 77.3°F |
| Miami | 74.4°F | 75.5°F |
| Marco Island | 71.8°F | 74.5°F |
| Cape Coral | 71.7°F | 74.2°F |
| Naples | 71.4°F | 73.8°F |
| Cocoa Beach | 70.0°F | 71.5°F |
| Tampa | 69.3°F | 71.7°F |
| Sarasota | 68.6°F | 71.4°F |
Best time for vacation in Dewey Beach
Dewey Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dewey Beach
Local time: 04:42
December 05, friday
0600
36°F
SW
9 mph
9 mph
0900
32°F
SW
7 mph
7 mph
1200
34°F
SW
9 mph
9 mph
1500
37°F
S
6 mph
6 mph
1800
39°F
S
8 mph
8 mph
2100
37°F
S
9 mph
9 mph
December 06, saturday
0000
37°F
S
11 mph
11 mph
0300
37°F
S
10 mph
10 mph
