Measurements:
°C
°F
Lewes
68°F
NE 6 mph
Feels like: 68°F
Precip: 10%
World Resorts USA Lewes Weather

Lewes Sea Water Temperature

Current Sea Water Temperature:
+71.2°F
Maximum Sea Water Temperature in June: 83.2°F
Minimum Sea Water Temperature in June: 63.2°F
Average water temperature in June: 71.5°F

Sea Water Temperature for the Last 10 Days:

June 24 71.2°F June 19 73.0°F
June 23 72.4°F June 18 73.0°F
June 22 74.2°F June 17 73.2°F
June 21 73.6°F June 16 76.8°F
June 20 73.2°F June 15 77.4°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 +66
Hawaii +80
Honolulu +80
Houston +82
Las Vegas +96
Los Angeles +66
Maui +74
Miami +80
Miami Beach +88
Myrtle Beach +78
New York +70
San Diego +68
San Francisco +58
Sarasota +84
Tampa +84
24 Hours Weather Forecast
Lewes
Local time: 00:20
25 jun, thursday
0300 66°F
NE
8 mph
0600 68°F
NE
7 mph
0900 76°F
NE
7 mph
1200 80°F
N
11 mph
1500 82°F
N
15 mph
1800 78°F
N
18 mph
2100 74°F
N
16 mph
26 jun, friday
0000 74°F
N
17 mph