Measurements:
°C
°F
CURRENT WEATHER
13:18
Dewey Beach
58°F
S 2 mph
Feels like: 56°F
Precip: 0%
World Resorts USA Dewey Beach Weather

7 Day Weather Forecast

04.23
thu
DAY
58°F
S 2 mph
precip
0%
NIGHT
56°F
S 1 mph
precip
0%
04.24
fri
DAY
58°F
W 8 mph
precip
0%
NIGHT
54°F
NW 14 mph
precip
0%
04.25
sat
DAY
54°F
NW 17 mph
precip
100%
NIGHT
50°F
W 19 mph
precip
87%
04.26
sun
DAY
48°F
SW 21 mph
precip
71%
NIGHT
48°F
SW 13 mph
precip
0%
04.27
mon
DAY
52°F
W 14 mph
precip
0%
NIGHT
50°F
NW 11 mph
precip
0%
04.28
tue
DAY
56°F
NW 14 mph
precip
0%
NIGHT
58°F
N 17 mph
precip
100%
04.29
wed
DAY
62°F
N 11 mph
precip
100%
NIGHT
58°F
E 13 mph
precip
0%

Dewey Beach Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Dewey Beach was 10.5°F. The maximum and minimum values were 7.7°F and 13.0°F respectively.

Dewey Beach on the Weather Map

Best Time to Visit Dewey Beach
The most sunny months:
November 18 days
October 16 days
January 14 days
The most warm months:
July 84.2 °F
August 81.5 °F
June 77.7 °F
Warmest sea temperature:
July 78.2 °F
August 77.7 °F
September 75.6 °F
The most cold months:
January 39.5 °F
February 41.8 °F
December 45.1 °F
The most rainy months:
August 4 days
February 3 days
March 3 days
The most windy months:
March 13 mph
January 13 mph
February 12 mph
more details