Measurements:
°C
°F
Dewey Beach
64°F
NE 11 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Dewey Beach Weather May Weather in Dewey Beach

Dewey Beach Weather: May

Average Day Temperature: 65.4°F
Average Night Temperature: 58.9°F
Sea Water Temperature: 58.9°F
Number of Sunny Days: 9 days
Sunshine Hours: 13.8 - 14.7 hours
Number of Rainy Days: 1 day
Precipitation Totals: 1.1 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 76°F. The lowest night temperature was 50°F. The average values for day and night temperatures during May were 64.8°F и 60.4°F respectivly.

Dewey Beach Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Dewey Beach was 61.3°F. The maximum and minimum values were 55.2°F and 69.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation Totals in May, in

Precipitation total in May for Dewey Beach is 1.1 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 11.5 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dewey Beach in May is 6.9 hours.

Best Time to Visit Dewey Beach
The most sunny months:
November 17 days
October 15 days
June 14 days
The most warm months:
July 83.8 °F
August 81.9 °F
June 76.9 °F
Warmest sea temperature:
July 77.7 °F
August 77.4 °F
September 75.7 °F
The most cold months:
January 41.5 °F
February 43.6 °F
December 46.5 °F
The most rainy months:
July 4 days
August 4 days
March 4 days
The most windy months:
March 13 mph
January 12 mph
April 12 mph

Dewey Beach on the Weather Map

USA Resorts:
NAME
Boston +66
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +50
Los Angeles +64
Maui +74
Miami +86
New York +66
San Diego +62
San Francisco +54
Sarasota +84
Tampa +86
Washington +68
24 Hours Weather Forecast
Dewey Beach
Local time: 10:36
05 nov, tuesday
1200 64°F
NE
11 mph
1500 70°F
N
16 mph
1800 66°F
N
16 mph
2100 64°F
N
17 mph
06 nov, wednesday
0000 64°F
N
16 mph
0300 62°F
NE
14 mph
0600 62°F
NE
11 mph
0900 64°F
NE
12 mph