Measurements:
°C
°F
CURRENT WEATHER
13:00
Bethany Beach
60°F
SE 17 mph
Feels like: 58°F
Precip: 61%
World Resorts USA Bethany Beach Weather

7 Day Weather Forecast

05.14
thu
DAY
60°F
SE 17 mph
precip
61%
NIGHT
52°F
SE 19 mph
precip
0%
05.15
fri
DAY
58°F
SE 17 mph
precip
0%
NIGHT
58°F
E 7 mph
precip
0%
05.16
sat
DAY
64°F
N 11 mph
precip
0%
NIGHT
64°F
N 10 mph
precip
0%
05.17
sun
DAY
74°F
NE 6 mph
precip
0%
NIGHT
66°F
N 8 mph
precip
100%
05.18
mon
DAY
70°F
NW 6 mph
precip
0%
NIGHT
64°F
NW 11 mph
precip
27%
05.19
tue
DAY
70°F
N 13 mph
precip
0%
NIGHT
66°F
N 19 mph
precip
0%
05.20
wed
DAY
74°F
NE 14 mph
precip
0%
NIGHT
64°F
E 7 mph
precip
100%

Bethany Beach Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Bethany Beach was 15.3°F. The maximum and minimum values were 12.5°F and 17.2°F respectively.

Bethany Beach on the Weather Map

Best Time to Visit Bethany Beach
The most sunny months:
November 17 days
October 16 days
December 13 days
The most warm months:
July 83.6 °F
August 81.1 °F
June 77.0 °F
Warmest sea temperature:
July 77.3 °F
August 77.1 °F
September 75.8 °F
The most cold months:
January 39.6 °F
February 41.8 °F
December 45.3 °F
The most rainy months:
August 3 days
July 3 days
December 3 days
The most windy months:
March 13 mph
January 13 mph
February 12 mph
more details