World Resorts USA Dewey Beach Weather

Dewey Beach 7 Days Forecast

07.01
wed
Day
52°F
SE 13 mph
Precip.
0%
Night
41°F
SE 12 mph
Precip.
0%
08.01
thu
Day
43°F
SE 5 mph
Precip.
0%
Night
39°F
N 7 mph
Precip.
0%
09.01
fri
Day
43°F
N 14 mph
Precip.
0%
Night
50°F
NE 14 mph
Precip.
0%
10.01
sat
Day
55°F
N 11 mph
Precip.
0%
Night
54°F
N 19 mph
Precip.
100%
11.01
sun
Day
46°F
SE 16 mph
Precip.
0%
Night
41°F
E 11 mph
Precip.
0%
12.01
mon
Day
36°F
SE 18 mph
Precip.
0%
Night
36°F
NE 6 mph
Precip.
0%
13.01
tue
Day
41°F
NE 16 mph
Precip.
0%
Night
39°F
N 14 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 38.4°F. The highest and lowest sea temperatures during the month were 45.1°F and 34.2°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
June 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 41.2 °F
February 43.8 °F
December 45.6 °F
Rainiest months:
August 4 days
February 3 days
March 3 days
Windiest months:
March 13.3 mph
January 12.8 mph
April 12.5 mph

Dewey Beach on a weather map

Dewey Beach
+43°F
SE 9 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+75°F
+75°F
+59°F
+63°F
+70°F
+75°F
+68°F
+37°F
+61°F
+54°F
+66°F
+68°F
+68°F
+36°F
24 Hours Forecast
Dewey Beach
Local time: 22:08
January 08, thursday
0000
41°F
SE
12 mph
0300
39°F
SE
11 mph
0600
37°F
SE
11 mph
0900
39°F
SE
4 mph
1200
43°F
SE
5 mph
1500
45°F
S
4 mph
1800
45°F
SW
1 mph
2100
41°F
N
5 mph
Units of measurement: °C / °F