Measurements:
°C
°F
Lewes
106°F
E 11 mph
Feels like: 118°F
Precip: 1%
World Resorts USA Lewes Weather

Lewes Sea Water Temperature

Current Sea Water Temperature:
+77.6°F
Maximum Sea Water Temperature in July: 85.8°F
Minimum Sea Water Temperature in July: 72.4°F
Average water temperature in July: 79.8°F

Sea Water Temperature for the Last 10 Days:

July 15 77.6°F July 10 76.8°F
July 14 79.8°F July 09 75.2°F
July 13 79.4°F July 08 78.8°F
July 12 75.8°F July 07 79.6°F
July 11 76.2°F July 06 84.0°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Lewes was 78.5°F. The maximum and minimum values were 74.2°F and 85.6°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
June 15 days
The most warm months:
July 86.3 °F
August 83.5 °F
June 80.8 °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
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 +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Lewes
Local time: 14:17
15 jul, wednesday
1500 106°F
E
11 mph
1800 104°F
E
11 mph
2100 90°F
NE
9 mph
16 jul, thursday
0000 84°F
NE
9 mph
0300 82°F
SE
7 mph
0600 80°F
S
5 mph
0900 86°F
W
2 mph
1200 92°F
NW
2 mph