Measurements:
°C
°F
Dewey Beach
36°F
E 12 mph
Feels like: 28°F
Precip: 0%
World Resorts USA Dewey Beach Weather

7 Day Weather Forecast

02.21
sat
DAY
42°F
SE 11 mph
precip
0%
NIGHT
36°F
SW 9 mph
precip
0%
02.22
sun
DAY
36°F
W 23 mph
precip
0%
NIGHT
30°F
S 39 mph
precip
100%
02.23
mon
DAY
30°F
SE 27 mph
precip
100%
NIGHT
28°F
SE 23 mph
precip
0%
02.24
tue
DAY
28°F
SE 16 mph
precip
0%
NIGHT
30°F
N 12 mph
precip
0%
02.25
wed
DAY
36°F
NE 19 mph
precip
0%
NIGHT
38°F
NE 11 mph
precip
0%
02.26
thu
DAY
42°F
NE 16 mph
precip
100%
NIGHT
46°F
N 20 mph
precip
100%
02.27
fri
DAY
48°F
N 19 mph
precip
100%
NIGHT
32°F
SE 25 mph
precip
26%

Dewey Beach Sea Water Temperature in February, °F

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Dewey Beach was 0.5°F. The maximum and minimum values were -0.3°F and 1.8°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 43.2 °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
April 12 mph