World Resorts USA Lewes Weather

Lewes sea water temperature

Current sea water temperature:
+42.6°F
Minimum sea water temperature in March: 50.4°F
Maximum sea water temperature in March: 35.1°F
Average sea water temperature in March: 44.6°F

Sea water temperature for the last 10 days:

March 18 42.6°F March 13 42.3°F
March 17 42.3°F March 12 39.9°F
March 16 42.4°F March 11 39.0°F
March 15 41.2°F March 10 39.2°F
March 14 40.5°F March 9 36.9°F

When is the warmest sea in Lewes?

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

Monthly Sea Temperatures in Lewes, °F

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.0°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 74.1°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 74.5°F and 71.1°F.

Best time for vacation in Lewes

Sunniest months:
November 17 days
October 15 days
January 14 days
Warmest months:
July 82.7 °F
August 80.1 °F
June 77.1 °F
Warmest sea temp:
July 77.0 °F
August 76.1 °F
September 73.3 °F
Coldest months:
January 40.3 °F
February 43.1 °F
December 45.3 °F
Rainiest months:
August 4 days
March 3 days
July 3 days
Windiest months:
March 12.0 mph
January 11.9 mph
February 11.5 mph

Lewes on a weather map

Lewes
+37°F
NW 9 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+77°F
+37°F
24 Hours Forecast
Lewes
Local time: 17:32
March 18, wednesday
1800
37°F
NW
9 mph
2100
34°F
NW
8 mph
March 19, thursday
0000
34°F
NW
8 mph
0300
36°F
NW
7 mph
0600
36°F
NW
7 mph
0900
39°F
NW
7 mph
1200
45°F
NW
8 mph
1500
45°F
NW
11 mph
Units of measurement: °C / °F