Measurements:
°C
°F
Dewey Beach
54°F
NW 13 mph
Feels like: 48°F
Precip: 0%
World Resorts USA Dewey Beach Weather

Dewey Beach Sea Water Temperature

Current Sea Water Temperature:
+53.4°F
Maximum Sea Water Temperature in April: 57.0°F
Minimum Sea Water Temperature in April: 45.4°F
Average water temperature in April: 50.7°F

Sea Water Temperature for the Last 10 Days:

April 27 53.4°F April 22 52.8°F
April 26 53.8°F April 21 51.2°F
April 25 53.6°F April 20 50.2°F
April 24 54.2°F April 19 53.4°F
April 23 54.0°F April 18 54.4°F

When is the Warmest Sea for Dewey Beach?

According to our data for the last three years for Dewey Beach the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2023 2022 2021

The average sea surface temperature in July 2023 for Dewey Beach was 77.6°F. The maximum and minimum values were 73.6°F and 81.2°F respectively.

Sea Water Temperature in August

Select Year: 2023 2022 2021

The average sea surface temperature in August 2023 for Dewey Beach was 75.1°F. The maximum and minimum values were 72.6°F and 78.6°F respectively.

Sea Water Temperature in September

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Dewey Beach was 76.3°F. The maximum and minimum values were 70.4°F and 79.8°F respectively.

Best Time to Visit Dewey Beach
The most sunny months:
November 17 days
September 15 days
October 14 days
The most warm months:
July 84.9 °F
August 82.8 °F
September 77.1 °F
Warmest sea temperature:
July 77.8 °F
August 77.5 °F
September 76.2 °F
The most cold months:
January 41.5 °F
February 43.6 °F
December 46.5 °F
The most rainy months:
August 5 days
March 4 days
July 3 days
The most windy months:
March 13 mph
April 12 mph
January 12 mph

Dewey Beach on the Weather Map

USA Resorts:
NAME
Boston +64
Chicago +66
Hawaii +78
Honolulu +78
Houston +88
Las Vegas +74
Los Angeles +72
Miami +80
New York +56
Orlando +88
San Diego +66
San Francisco +58
Sarasota +88
Tampa +90
Washington +54
24 Hours Weather Forecast
Dewey Beach
Local time: 13:42
27 apr, saturday
1500 54°F
NW
13 mph
1800 52°F
N
11 mph
2100 52°F
N
11 mph
28 apr, sunday
0000 52°F
N
12 mph
0300 54°F
N
11 mph
0600 54°F
N
11 mph
0900 58°F
NE
11 mph
1200 64°F
NE
6 mph