World Resorts USA Dewey Beach Weather

Autumn weather in Dewey Beach

Weather in Dewey Beach in Autumn

September October November
Average day temperature:
Average day temperature: 74.0°F 65.8°F 55.6°F
Average night temperature:
Average night temperature: 68.4°F 59.7°F 50.3°F
Sea water temperature:
Sea water temperature: 73.2°F 65.9°F 57.9°F
Number of sunny days:
Number of sunny days: 13 days 15 days 17 days
Day length:
Day length: 11.8 - 13.0 h. 10.6 - 11.8 h. 9.7 - 10.5 h.
Number of rainy days:
Number of rainy days: 2 days 3 days 2 days
Precipitation totals:
Precipitation totals: 1.2 in. 1.1 in. 0.9 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Dewey Beach

Sunniest months:
November 17 days
October 15 days
June 14 days
Warmest months:
July 80.4 °F
August 78.7 °F
June 74.2 °F
Warmest sea temp:
July 74.9 °F
August 74.6 °F
September 73.2 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 46.9 °F
Rainiest months:
July 4 days
August 4 days
March 4 days
Windiest months:
March 13.1 mph
January 12.2 mph
April 12.2 mph

Dewey Beach on a weather map

Dewey Beach
+27°F
SE 21 mph
Feels like: +12°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Dewey Beach
Local time: 04:09
December 22, sunday
0600
27°F
SE
21 mph
0900
27°F
SE
20 mph
1200
30°F
SE
19 mph
1500
32°F
SE
17 mph
1800
34°F
SE
14 mph
2100
28°F
S
11 mph
December 23, monday
0000
27°F
S
7 mph
0300
27°F
S
5 mph
Units of measurement: °C / °F