Average sea water temperature in October:
+65.9°F
| Minimum sea water temperature in October: | 72.1°F |
| Maximum sea water temperature in October: | 59.2°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 72.0°F and 59.2°F.
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| Dewey Beach |
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| Dewey Beach |
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| Dewey Beach |
14 days
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| Dewey Beach |
Monthly sea water temperature in Dewey Beach, °F
Which USA resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Key West | 83.8°F | 82.9°F |
| Fort Lauderdale | 83.5°F | 83.0°F |
| Miami Beach | 83.4°F | 83.4°F |
| Miami | 82.7°F | 82.9°F |
| Corpus Christi | 82.2°F | 80.6°F |
| Naples | 81.9°F | 81.6°F |
| Kauai | 81.3°F | 79.2°F |
| Honolulu | 80.7°F | 80.6°F |
| Hawaii | 80.6°F | 80.5°F |
| Molokai | 80.5°F | 80.1°F |
| Houston | 80.4°F | 78.8°F |
| Hilo | 80.3°F | 79.7°F |
| Sarasota | 80.2°F | 80.5°F |
| Maui | 79.8°F | 79.4°F |
| Oahu | 79.8°F | 80.2°F |
| Tampa | 79.4°F | 79.3°F |
| Panama City Beach | 79.2°F | 78.9°F |
| Cocoa Beach | 79.2°F | 79.9°F |
| Destin | 79.0°F | 78.5°F |
| Clearwater Beach | 78.9°F | 78.8°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: 06:36
July 02, thursday
0900
79°F
NE
9 mph
9 mph
1200
84°F
N
5 mph
5 mph
1500
84°F
N
12 mph
12 mph
1800
82°F
N
16 mph
16 mph
2100
79°F
N
14 mph
14 mph
July 03, friday
0000
77°F
NE
11 mph
11 mph
0300
77°F
NE
9 mph
9 mph
0600
75°F
NE
8 mph
8 mph
