Measurements:
°C
°F
Lewes
78°F
W 5 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Lewes Weather

Lewes Sea Water Temperature

Current Sea Water Temperature:
+64.0°F
Maximum Sea Water Temperature in June: 83.2°F
Minimum Sea Water Temperature in June: 63.2°F
Average water temperature in June: 71.3°F

Sea Water Temperature for the Last 10 Days:

June 04 64.0°F May 29 64.0°F
June 03 64.4°F May 28 62.2°F
June 01 64.8°F May 27 62.0°F
May 31 65.8°F May 26 61.6°F
May 30 66.0°F May 25 64.0°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
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Lewes
Local time: 13:05
04 jun, thursday
1500 74°F
NW
11 mph
1800 72°F
N
14 mph
2100 66°F
N
11 mph
05 jun, friday
0000 64°F
NE
9 mph
0300 62°F
NE
9 mph
0600 64°F
E
7 mph
0900 72°F
E
7 mph
1200 80°F
NE
5 mph