Measurements:
°C
°F
Lewes
48°F
NW 2 mph
Feels like: 48°F
Precip: 0%
World Resorts USA Lewes Weather

Lewes Sea Water Temperature

Current Sea Water Temperature:
+47.2°F
Maximum Sea Water Temperature in April: 59.4°F
Minimum Sea Water Temperature in April: 45.4°F
Average water temperature in April: 51.6°F

Sea Water Temperature for the Last 10 Days:

April 03 47.2°F March 29 46.4°F
April 02 46.4°F March 28 44.2°F
April 01 46.2°F March 27 44.2°F
March 31 45.6°F March 26 44.2°F
March 30 45.4°F March 25 44.4°F

When is the Warmest Sea for Lewes?

According to our data for the last three years for Lewes the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Lewes was 81.0°F. The maximum and minimum values were 77.8°F and 84.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Lewes was 79.5°F. The maximum and minimum values were 76.8°F and 86.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lewes was 75.0°F. The maximum and minimum values were 73.4°F and 77.2°F respectively.

Best Time to Visit Lewes
The most sunny months:
November 17 days
October 15 days
January 14 days
The most warm months:
July 86.3 °F
August 83.5 °F
June 80.2 °F
Warmest sea temperature:
July 80.0 °F
August 79.0 °F
September 75.9 °F
The most cold months:
January 39.2 °F
February 42.3 °F
December 44.8 °F
The most rainy months:
August 4 days
July 3 days
February 3 days
The most windy months:
March 12 mph
January 12 mph
February 11 mph

Lewes on the Weather Map

USA Resorts:
NAME
Chicago +46
Hawaii +74
Honolulu +74
Houston +74
Las Vegas +54
Los Angeles +56
Maui +66
Miami +74
Miami Beach +78
New York +40
San Diego +58
San Francisco +50
Sarasota +72
Tampa +72
Washington +48
24 Hours Weather Forecast
Lewes
Local time: 05:44
03 apr, friday
0600 48°F
NW
2 mph
0900 52°F
N
4 mph
1200 70°F
NE
14 mph
1500 80°F
NE
16 mph
1800 72°F
N
16 mph
2100 62°F
N
14 mph
04 apr, saturday
0000 58°F
NE
13 mph
0300 58°F
NE
13 mph