Measurements:
°C
°F
CURRENT WEATHER
13:08
Dewey Beach
70°F
NW 6 mph
Feels like: 70°F
Precip: 3%
World Resorts USA Dewey Beach Weather

7 Day Weather Forecast

06.04
thu
DAY
70°F
NW 6 mph
precip
3%
NIGHT
64°F
NE 10 mph
precip
1%
06.05
fri
DAY
78°F
N 5 mph
precip
1%
NIGHT
68°F
N 11 mph
precip
2%
06.06
sat
DAY
80°F
NE 8 mph
precip
1%
NIGHT
76°F
NE 16 mph
precip
2%
06.07
sun
DAY
80°F
SE 11 mph
precip
3%
NIGHT
70°F
SE 7 mph
precip
73%
06.08
mon
DAY
64°F
SW 24 mph
precip
14%
NIGHT
62°F
W 10 mph
precip
1%
06.09
tue
DAY
68°F
E 4 mph
precip
1%
NIGHT
66°F
E 11 mph
precip
1%
06.10
wed
DAY
74°F
NE 5 mph
precip
1%
NIGHT
68°F
NE 9 mph
precip
2%

Dewey Beach Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Dewey Beach was 21.0°F. The maximum and minimum values were 16.8°F and 26.5°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 41.8 °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
February 12 mph
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