Monthly Historical AveragesBethany Beach, DE
Average Temperature
High
20°
Feels 20
Low
13°
Feels 13
Average Precipitation
12 Days
87.9mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, May 10, 2026
Day
19°Feels 19
Wind
19 km/h SE
Gust
29 km/h
Humidity
68%
P.O.P
10%
Night
12°Feels 10
Wind
26 km/h S
Gust
39 km/h
Humidity
90%
P.O.P
80%
Rain
1-3 mm
Historical AveragesMay 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity