Current sea water temperature:
+41.7°F
| Minimum sea water temperature in March: | 50.9°F |
| Maximum sea water temperature in March: | 35.2°F |
| Average sea water temperature in March: | 44.5°F |
| more information | |
14 days
forecast
forecast
| Rehoboth Beach |
monthly
weather
weather
| Rehoboth Beach |
Sea water temperature for the last 10 days:
| March 17 | 41.7°F | March 12 | 40.8°F |
| March 16 | 41.4°F | March 11 | 39.9°F |
| March 15 | 40.8°F | March 10 | 39.9°F |
| March 14 | 39.7°F | March 9 | 37.4°F |
| March 13 | 41.2°F | March 8 | 37.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Rehoboth Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rehoboth Beach was noticed in July, August and September.
Monthly Sea Temperatures in Rehoboth Beach, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.3°F. The highest and lowest sea temperatures during the month were 80.4°F and 74.1°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.4°F. The highest and lowest sea temperatures during the month were 82.6°F and 73.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.5°F. The highest and lowest sea temperatures during the month were 74.7°F and 70.9°F.
current
weather
weather
| Rehoboth Beach |
weather in
March
March
| Rehoboth Beach |
Best time for vacation in Rehoboth Beach
Rehoboth Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Rehoboth Beach
Local time: 06:46
March 17, tuesday
0900
34°F
E
21 mph
21 mph
1200
36°F
E
18 mph
18 mph
1500
37°F
E
19 mph
19 mph
1800
41°F
E
15 mph
15 mph
2100
39°F
SE
17 mph
17 mph
March 18, wednesday
0000
36°F
SE
17 mph
17 mph
0300
34°F
SE
12 mph
12 mph
0600
32°F
SE
13 mph
13 mph
