World Resorts USA Rehoboth Beach Weather

Rehoboth Beach sea water temperature

Current sea water temperature:
+53.6°F
Minimum sea water temperature in April: 57.9°F
Maximum sea water temperature in April: 45.9°F
Average sea water temperature in April: 51.1°F

Sea water temperature for the last 10 days:

April 29 53.6°F April 24 53.8°F
April 28 52.9°F April 23 53.1°F
April 27 53.4°F April 22 53.1°F
April 26 53.6°F April 21 53.1°F
April 25 52.9°F April 20 53.6°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.

Best time for vacation in Rehoboth Beach

Sunniest months:
November 17 days
October 15 days
January 14 days
Warmest months:
July 82.3 °F
August 79.8 °F
June 76.8 °F
Warmest sea temp:
July 76.4 °F
August 75.6 °F
September 73.2 °F
Coldest months:
January 40.3 °F
February 42.6 °F
December 45.3 °F
Rainiest months:
August 4 days
July 3 days
February 3 days
Windiest months:
March 12.4 mph
January 12.3 mph
February 12.0 mph

Rehoboth Beach on a weather map

Rehoboth Beach
+54°F
N 11 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+75°F
+52°F
24 Hours Forecast
Rehoboth Beach
Local time: 08:24
April 29, wednesday
0900
54°F
N
11 mph
1200
55°F
NW
15 mph
1500
57°F
N
19 mph
1800
55°F
N
16 mph
2100
55°F
N
13 mph
April 30, thursday
0000
55°F
N
13 mph
0300
55°F
N
11 mph
0600
57°F
NE
11 mph
Units of measurement: °C / °F