Measurements:
°C
°F
Lewes
80°F
W 4 mph
Feels like: 82°F
Precip: 11%
World Resorts USA Lewes Weather

Lewes Sea Water Temperature

Current Sea Water Temperature:
+80.4°F
Maximum Sea Water Temperature in August: 86.6°F
Minimum Sea Water Temperature in August: 71.8°F
Average water temperature in August: 79.3°F

Sea Water Temperature for the Last 10 Days:

August 25 80.4°F August 20 80.6°F
August 24 79.2°F August 19 80.8°F
August 23 78.4°F August 18 81.0°F
August 22 79.6°F August 17 82.6°F
August 21 80.4°F August 16 81.2°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Lewes was 79.0°F. The maximum and minimum values were 74.2°F and 85.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Lewes was 81.2°F. The maximum and minimum values were 78.4°F and 85.8°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
June 15 days
The most warm months:
July 86.9 °F
August 83.5 °F
June 80.8 °F
Warmest sea temperature:
July 79.8 °F
August 79.4 °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
February 3 days
July 3 days
The most windy months:
March 12 mph
January 12 mph
February 11 mph

Lewes on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Lewes
Local time: 17:42
25 aug, tuesday
1800 80°F
W
4 mph
2100 70°F
N
2 mph
26 aug, wednesday
0000 70°F
NE
2 mph
0300 68°F
E
1 mph
0600 66°F
NW
2 mph
0900 76°F
W
1 mph
1200 86°F
N
3 mph
1500 90°F
NW
6 mph