Current sea water temperature:
+58.3°F
| Minimum sea water temperature in November: | 63.9°F |
| Maximum sea water temperature in November: | 50.2°F |
| Average sea water temperature in November: | 57.6°F |
| more information | |
14 days
forecast
forecast
| Dewey Beach |
monthly
weather
weather
| Dewey Beach |
Sea water temperature for the last 10 days:
| November 14 | 58.3°F | November 9 | 60.6°F |
| November 13 | 59.9°F | November 8 | 61.7°F |
| November 12 | 58.8°F | November 7 | 63.0°F |
| November 11 | 59.7°F | November 6 | 61.7°F |
| November 10 | 59.9°F | November 5 | 60.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Dewey Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Dewey Beach was noticed in July, August and September.
Monthly Sea Temperatures in Dewey Beach, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 80.6°F and 72.7°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 77.3°F. The highest and lowest sea temperatures during the month were 81.0°F and 74.5°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 74.2°F. The highest and lowest sea temperatures during the month were 78.8°F and 66.2°F.
current
weather
weather
| Dewey Beach |
weather in
November
November
| Dewey Beach |
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: 01:14
November 15, sunday
0300
43°F
E
11 mph
11 mph
0600
43°F
SE
9 mph
9 mph
0900
46°F
SE
12 mph
12 mph
1200
50°F
SE
13 mph
13 mph
1500
50°F
SE
12 mph
12 mph
1800
46°F
SE
9 mph
9 mph
2100
45°F
SE
9 mph
9 mph
November 16, monday
0000
41°F
SE
8 mph
8 mph
