Measurements:
°C
°F
Dewey Beach
52°F
NE 7 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Dewey Beach Weather August Weather in Dewey Beach

Dewey Beach Weather: August

Average Day Temperature: 81.9°F
Average Night Temperature: 75.2°F
Sea Water Temperature: 77.4°F
Number of Sunny Days: 11 days
Sunshine Hours: 13.1 - 14.1 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.6 in

Air Temperature in August, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day Temperature   
Night Temperature

The highest day temperature in August 2024 was 86°F. The lowest night temperature was 63°F. The average values for day and night temperatures during August were 78.3°F и 72.1°F respectivly.

Dewey Beach Water Sea Temperature in August, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
67
70
73
76
79
82
85
88

The average sea surface temperature in August 2024 for Dewey Beach was 77.0°F. The maximum and minimum values were 71.6°F and 81.8°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
35%
35%
29%

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.3
0.7
1.0
1.4
1.7
2.0
2.4

Precipitation total in August for Dewey Beach is 1.6 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.3
4.6
6.9
9.1
11.4
13.7
16.0

The average wind speed in August is 8.9 mph. It makes August the most windless month of the year for Dewey Beach.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.6
3.2
4.8
6.3
7.9
9.5
11.1

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 August is 7.8 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 40.2 °F
February 43.2 °F
December 46.0 °F
The most rainy months:
August 4 days
July 4 days
February 3 days
The most windy months:
March 13 mph
January 12 mph
February 12 mph

Dewey Beach on the Weather Map

USA Resorts:
NAME
Boston +50
Chicago +58
Hawaii +78
Honolulu +78
Houston +74
Las Vegas +72
Los Angeles +58
Miami +78
New York +54
Orlando +76
San Diego +62
San Francisco +54
Sarasota +78
Tampa +84
Washington +58
24 Hours Weather Forecast
Dewey Beach
Local time: 21:30
18 apr, friday
0000 48°F
NE
6 mph
0300 46°F
NE
7 mph
0600 44°F
NE
9 mph
0900 54°F
N
11 mph
1200 64°F
N
17 mph
1500 62°F
N
21 mph
1800 60°F
N
21 mph
2100 58°F
N
19 mph