World Resorts USA Dewey Beach Weather

Dewey Beach weather in November

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.

Air temperature in November, °F

Show year:
2025
2024
2023

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

Show year:
2025
2024
2023

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.

Sunny, partly cloudy and cloudy days

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.

Wind speed in November, mph

The average wind speed value in November is 12.1 mph

Average sunny hours

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

Sunniest months:
November 18 days
October 16 days
June 14 days
Warmest months:
July 80.8 °F
August 78.4 °F
June 74.9 °F
Warmest sea temp:
July 75.4 °F
August 74.9 °F
September 73.1 °F
Coldest months:
January 41.2 °F
February 43.8 °F
December 46.4 °F
Rainiest months:
August 4 days
February 3 days
March 3 days
Windiest months:
March 13.3 mph
January 12.8 mph
April 12.5 mph

Dewey Beach on a weather map

Dewey Beach
+34°F
SW 12 mph
Feels like: +23°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Dewey Beach
Local time: 03:47
December 05, friday
0600
36°F
SW
9 mph
0900
32°F
SW
7 mph
1200
34°F
SW
9 mph
1500
37°F
S
6 mph
1800
39°F
S
8 mph
2100
37°F
S
9 mph
December 06, saturday
0000
37°F
S
11 mph
0300
37°F
S
10 mph
Units of measurement: °C / °F