World Resorts USA Bethany Beach Weather

Bethany Beach sea water temperature

Current sea water temperature:
+66.9°F
Minimum sea water temperature in October: 72.3°F
Maximum sea water temperature in October: 59.9°F
Average sea water temperature in October: 66.2°F

Sea water temperature for the last 10 days:

October 4 66.9°F September 29 65.5°F
October 3 67.5°F September 28 66.0°F
October 2 67.6°F September 27 67.1°F
October 1 65.8°F September 26 68.7°F
September 30 66.2°F September 25 70.5°F

When is the warmest sea in Bethany Beach?

Based on the data about daily sea water temperature for the last three years the warmest sea in Bethany Beach was noticed in August, July and September.

Monthly Sea Temperatures in Bethany Beach, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.9°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 74.0°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 74.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 65.5°F.

Best time for vacation in Bethany Beach

Sunniest months:
November 17 days
October 16 days
June 15 days
Warmest months:
July 80.1 °F
August 77.9 °F
June 74.3 °F
Warmest sea temp:
August 74.6 °F
July 74.5 °F
September 73.4 °F
Coldest months:
January 40.7 °F
February 42.6 °F
December 45.7 °F
Rainiest months:
August 3 days
December 3 days
July 3 days
Windiest months:
March 13.6 mph
January 13.2 mph
February 12.9 mph

Bethany Beach on a weather map

Bethany Beach
+68°F
NW 9 mph
Feels like: +68°F
Precip.: 75%
Places in USA:
Name
°F
+63°F
+61°F
+75°F
+84°F
+88°F
+86°F
+66°F
+79°F
+61°F
+84°F
+70°F
+86°F
+84°F
+61°F
24 Hours Forecast
Bethany Beach
Local time: 10:46
October 04, sunday
1200
68°F
NW
9 mph
1500
68°F
SE
4 mph
1800
66°F
S
12 mph
2100
66°F
S
15 mph
October 05, monday
0000
64°F
S
11 mph
0300
64°F
S
10 mph
0600
64°F
SE
11 mph
0900
63°F
SE
7 mph
Units of measurement: °C / °F