World Resorts USA Dewey Beach Weather

Dewey Beach sea water temperature

Current sea water temperature:
+56.5°F
Minimum sea water temperature in November: 63.9°F
Maximum sea water temperature in November: 50.2°F
Average sea water temperature in November: 58.1°F

Sea water temperature for the last 10 days:

November 21 56.5°F November 16 58.3°F
November 20 56.5°F November 15 59.5°F
November 19 56.7°F November 8 62.4°F
November 18 56.7°F November 7 62.2°F
November 17 57.7°F November 6 61.7°F

When is the warmest sea in Dewey Beach?

Based on the data about daily sea water temperature for the last three years the warmest sea in Dewey Beach was noticed in July, August and September.

Monthly Sea Temperatures in Dewey Beach, °F

Sea water temperature in July, °F

Show year:
2024
2023
2022

The average sea water temperature in July of 2024 was 74.8°F. The highest and lowest sea temperatures during the month were 78.6°F and 69.6°F.

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 74.3°F. The highest and lowest sea temperatures during the month were 78.6°F and 69.4°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 71.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.6°F.

Best time for vacation in Dewey Beach

Sunniest months:
November 17 days
October 15 days
June 14 days
Warmest months:
July 80.4 °F
August 78.7 °F
June 74.2 °F
Warmest sea temp:
July 74.9 °F
August 74.6 °F
September 73.2 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 46.9 °F
Rainiest months:
July 4 days
August 4 days
March 4 days
Windiest months:
March 13.1 mph
January 12.2 mph
April 12.2 mph

Dewey Beach on a weather map

Dewey Beach
+54°F
E 23 mph
Feels like: +48°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Dewey Beach
Local time: 13:59
November 21, thursday
1500
54°F
E
23 mph
1800
52°F
E
21 mph
2100
45°F
E
14 mph
November 22, friday
0000
43°F
E
13 mph
0300
41°F
E
15 mph
0600
39°F
E
16 mph
0900
41°F
E
14 mph
1200
45°F
NE
17 mph
Units of measurement: °C / °F