Weather in Dewey Beach: November
| Average day temperature: | 55.4°F | |
| Average night temperature: | 49.9°F | |
| Sea water temperature: | 57.4°F | |
| Number of sunny days: | 18 days | |
| Day length: | 9.7 - 10.5 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 0.8 in. | |
| more information | ||
forecast
| Dewey Beach |
temperature
| Dewey Beach |
Air temperature in November, °F
The highest day temperature during November of 2025 was 63°F. At the same time the lowest night temperature was 33°F. Daily and nightly averages during November were 54.4°F and 48.1°F.
Sea water temperature in Dewey Beach in November, °F
The average sea water temperature in November of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 59.5°F and 50.5°F.
Mostly all days in November are sunny but cloudy days are also possible.
Precipitation total in November, in.
Precipitation total value in Dewey Beach in November is 0.8 in. Other months of the year show relatively similar values.
The average wind speed value in November is 12.1 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in November is: 7.0.
Best time for vacation in Dewey Beach
Dewey Beach on a weather map

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