World Resorts USA Dewey Beach Weather

Dewey Beach 14 Days Forecast

29.04
wed
Day
55°F
NW 15 mph
Precip.
0%
Night
55°F
N 13 mph
Precip.
100%
30.04
thu
Day
57°F
SE 20 mph
Precip.
0%
Night
52°F
SE 12 mph
Precip.
0%
01.05
fri
Day
57°F
E 3 mph
Precip.
0%
Night
54°F
NE 4 mph
Precip.
64%
02.05
sat
Day
46°F
SW 16 mph
Precip.
100%
Night
50°F
E 11 mph
Precip.
0%
03.05
sun
Day
54°F
SE 13 mph
Precip.
0%
Night
50°F
E 11 mph
Precip.
0%
04.05
mon
Day
59°F
E 12 mph
Precip.
0%
Night
55°F
NE 9 mph
Precip.
0%
05.05
tue
Day
64°F
NE 17 mph
Precip.
0%
Night
61°F
NE 19 mph
Precip.
100%
06.05
wed
Day
64°F
NE 9 mph
Precip.
100%
Night
61°F
NE 12 mph
Precip.
0%
07.05
thu
Day
59°F
SW 7 mph
Precip.
0%
Night
57°F
N 15 mph
Precip.
100%
08.05
fri
Day
64°F
E 13 mph
Precip.
100%
Night
54°F
S 17 mph
Precip.
0%
09.05
sat
Day
55°F
S 10 mph
Precip.
0%
Night
54°F
N 7 mph
Precip.
0%
10.05
sun
Day
57°F
W 6 mph
Precip.
0%
Night
55°F
NW 7 mph
Precip.
0%
11.05
mon
Day
59°F
W 7 mph
Precip.
0%
Night
55°F
NW 9 mph
Precip.
0%
12.05
tue
Day
57°F
W 12 mph
Precip.
0%
Night
55°F
W 9 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 51.4°F. The highest and lowest sea temperatures during the month were 55.4°F and 45.9°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 59.4°F. The highest and lowest sea temperatures during the month were 63.9°F and 53.6°F.

Air temperature in Dewey Beach, °F

Precipitation total in Dewey Beach, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Dewey Beach

Sunniest months:
November 18 days
October 16 days
January 14 days
Warmest months:
July 80.8 °F
August 78.4 °F
June 74.9 °F
Warmest sea temp:
July 75.4 °F
August 74.9 °F
September 73.1 °F
Coldest months:
January 40.5 °F
February 42.6 °F
December 45.6 °F
Rainiest months:
August 4 days
February 3 days
March 3 days
Windiest months:
March 13.4 mph
January 13.1 mph
February 12.7 mph

Dewey Beach on a weather map

Dewey Beach
+54°F
N 11 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+75°F
+52°F
24 Hours Forecast
Dewey Beach
Local time: 08:26
April 29, wednesday
0900
54°F
N
11 mph
1200
55°F
NW
15 mph
1500
57°F
N
19 mph
1800
55°F
N
16 mph
2100
55°F
N
13 mph
April 30, thursday
0000
55°F
N
13 mph
0300
55°F
N
11 mph
0600
57°F
NE
11 mph
Units of measurement: °C / °F