Weather in Lewes: May
| Average day temperature: | 67.1°F | |
| Average night temperature: | 57.8°F | |
| Sea water temperature: | 59.2°F | |
| Number of sunny days: | 10 days | |
| Day length: | 13.8 - 14.7 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Lewes |
sea water
temperature
temperature
| Lewes |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 95°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during May were 70.7°F and 58.0°F.
Sea water temperature in Lewes in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 59.1°F. The highest and lowest sea temperatures during the month were 64.4°F and 54.3°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Lewes in May is 0.9 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.6 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.7.
Best time for vacation in Lewes
Lewes on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lewes
Local time: 09:39
July 21, tuesday
1200

86°F
N
13 mph
13 mph
1500

84°F
N
17 mph
17 mph
1800

88°F
N
14 mph
14 mph
2100

75°F
NE
17 mph
17 mph
July 22, wednesday
0000

73°F
NE
14 mph
14 mph
0300

73°F
NE
19 mph
19 mph
0600

73°F
NE
15 mph
15 mph
0900

75°F
NE
15 mph
15 mph




























