World Resorts USA Lewes Weather

Lewes weather in May

Weather in Lewes: May

Average day temperature: 66.5°F
Average night temperature: 57.8°F
Sea water temperature: 59.3°F
Number of sunny days: 9 days
Day length: 13.8 - 14.7 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 81°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during May were 68.6°F and 59.2°F.

Sea water temperature in Lewes in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 60.0°F. The highest and lowest sea temperatures during the month were 64.9°F and 54.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Lewes in May is 1.0 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 10.4 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: 7.0.

Best time for vacation in Lewes

Sunniest months:
November 17 days
October 15 days
March 13 days
Warmest months:
July 82.7 °F
August 80.1 °F
June 77.1 °F
Warmest sea temp:
July 77.0 °F
August 76.1 °F
September 73.3 °F
Coldest months:
January 40.9 °F
February 43.9 °F
December 46.1 °F
Rainiest months:
August 4 days
March 3 days
July 3 days
Windiest months:
March 12.0 mph
January 11.5 mph
April 11.4 mph

Lewes on a weather map

Lewes
+39°F
SE 22 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Lewes
Local time: 22:36
December 05, friday
0000
36°F
S
19 mph
0300
34°F
SW
12 mph
0600
36°F
SW
9 mph
0900
32°F
SW
7 mph
1200
34°F
SW
9 mph
1500
37°F
S
6 mph
1800
39°F
S
8 mph
2100
37°F
S
9 mph
Units of measurement: °C / °F