Measurements:
°C
°F
Dewey Beach
48°F
N 2 mph
Feels like: 46°F
Precip: 77%
World Resorts USA Dewey Beach Weather

7 Day Weather Forecast

04.03
fri
DAY
54°F
N 14 mph
precip
0%
NIGHT
58°F
NE 14 mph
precip
0%
04.04
sat
DAY
72°F
NE 8 mph
precip
0%
NIGHT
56°F
N 19 mph
precip
0%
04.05
sun
DAY
64°F
NE 23 mph
precip
0%
NIGHT
54°F
SE 13 mph
precip
0%
04.06
mon
DAY
48°F
SE 16 mph
precip
0%
NIGHT
50°F
E 11 mph
precip
0%
04.07
tue
DAY
48°F
SE 18 mph
precip
0%
NIGHT
42°F
S 22 mph
precip
0%
04.08
wed
DAY
38°F
SW 18 mph
precip
0%
NIGHT
38°F
W 13 mph
precip
0%
04.09
thu
DAY
44°F
W 13 mph
precip
0%
NIGHT
42°F
W 8 mph
precip
0%

Dewey Beach Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Dewey Beach was 10.7°F. The maximum and minimum values were 8.8°F and 13.5°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