Current sea water temperature:
+43.3°F
| Minimum sea water temperature in December: | 55.9°F |
| Maximum sea water temperature in December: | 40.1°F |
| Average sea water temperature in December: | 47.2°F |
| more information | |
14 days
forecast
forecast
| Lewes |
monthly
weather
weather
| Lewes |
Sea water temperature for the last 10 days:
| December 20 | 43.3°F | December 15 | 42.3°F |
| December 19 | 43.0°F | December 14 | 44.4°F |
| December 18 | 41.2°F | December 13 | 43.7°F |
| December 17 | 40.8°F | December 12 | 44.6°F |
| December 16 | 41.0°F | December 11 | 45.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Lewes?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lewes was noticed in July, August and September.
Monthly Sea Temperatures in Lewes, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 74.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.5°F. The highest and lowest sea temperatures during the month were 74.5°F and 71.1°F.
current
weather
weather
| Lewes |
weather in
December
December
| Lewes |
Best time for vacation in Lewes
Lewes on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lewes
Local time: 23:12
December 21, sunday
0000
41°F
N
17 mph
17 mph
0300
41°F
NE
17 mph
17 mph
0600
41°F
NE
16 mph
16 mph
0900
39°F
E
14 mph
14 mph
1200
48°F
SE
18 mph
18 mph
1500
50°F
SE
21 mph
21 mph
1800
43°F
SE
20 mph
20 mph
2100
36°F
SE
22 mph
22 mph
