Measurements:
°C
°F
Lewes
62°F
SE 9 mph
Feels like: 62°F
Precip: 3%
World Resorts USA Lewes Weather

Lewes Sea Water Temperature

Current Sea Water Temperature:
+68.6°F
Maximum Sea Water Temperature in October: 74.4°F
Minimum Sea Water Temperature in October: 60.0°F
Average water temperature in October: 67.4°F

Sea Water Temperature for the Last 10 Days:

October 05 68.6°F September 30 67.8°F
October 04 68.8°F September 29 68.8°F
October 03 69.0°F September 28 69.2°F
October 02 70.2°F September 27 70.2°F
October 01 66.8°F September 26 71.6°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 80.8°F. The maximum and minimum values were 77.4°F and 85.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Lewes was 77.0°F. The maximum and minimum values were 67.8°F and 81.2°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 84.1 °F
June 80.8 °F
Warmest sea temperature:
July 79.8 °F
August 79.3 °F
September 76.1 °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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Lewes
Local time: 19:50
05 oct, monday
2100 62°F
SE
9 mph
06 oct, tuesday
0000 58°F
S
9 mph
0300 54°F
SE
8 mph
0600 52°F
S
9 mph
0900 54°F
S
11 mph
1200 60°F
S
10 mph
1500 64°F
S
7 mph
1800 60°F
S
3 mph