Measurements:
°C
°F
CURRENT WEATHER
15:55
Dewey Beach
50°F
N 16 mph
Feels like: 46°F
Precip: 0%
World Resorts USA Dewey Beach Weather

7 Day Weather Forecast

01.09
fri
DAY
44°F
N 13 mph
precip
0%
NIGHT
54°F
NE 12 mph
precip
0%
01.10
sat
DAY
54°F
NW 9 mph
precip
100%
NIGHT
52°F
NE 24 mph
precip
100%
01.11
sun
DAY
40°F
E 11 mph
precip
0%
NIGHT
36°F
E 22 mph
precip
0%
01.12
mon
DAY
36°F
SE 17 mph
precip
0%
NIGHT
36°F
NE 13 mph
precip
0%
01.13
tue
DAY
40°F
NE 13 mph
precip
0%
NIGHT
42°F
N 17 mph
precip
0%
01.14
wed
DAY
44°F
NE 15 mph
precip
0%
NIGHT
38°F
E 9 mph
precip
0%
01.15
thu
DAY
32°F
NE 11 mph
precip
52%
NIGHT
26°F
S 25 mph
precip
100%

Dewey Beach Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Dewey Beach was 3.6°F. The maximum and minimum values were 1.2°F and 7.3°F respectively.

Dewey Beach on the Weather Map

Best Time to Visit Dewey Beach
The most sunny months:
November 18 days
October 16 days
June 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 40.2 °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 12 mph
April 12 mph
more details