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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Rehoboth Beach, DE
Content continues below
May
Average Temperature
High
20°
Feels 20
Low
13°
Feels 13
Average Precipitation
11 Days
Rain amount
72.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
19°
14
17°
15
17°
16
21°
17
23°
18
19°
19
25°
20
26°
21
19°
22
16°
23
14°
24
17°
25
16°
26
21°
27
18°
28
29
30
31
Forecast
Wednesday, May 13, 2026
Day
19°
Feels 19
Wind
35 km/h SW
Gust
53 km/h
Humidity
46%
P.O.P
20%
Night
13°
Feels 11
Wind
30 km/h S
Gust
45 km/h
Humidity
96%
P.O.P
90%
Rain
1-3 mm
Historical Averages
May 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.