World Resorts USA Dewey Beach Weather

Dewey Beach weather in August

Weather in Dewey Beach: August

Average day temperature: 78.7°F
Average night temperature: 72.6°F
Sea water temperature: 74.6°F
Number of sunny days: 11 days
Day length: 13.1 - 14.1 hours
Number of rainy days: 4 days
Precipitation totals: 1.6 in.
more information

Air temperature in August, °F

Show 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
Day temperature   
Night temperature

The highest day temperature during August of 2024 was 82°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during August were 75.5°F and 69.9°F.

Sea water temperature in Dewey Beach in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
65
68
71
74
77
80
83

The average sea water temperature in August of 2024 was 74.3°F. The highest and lowest sea temperatures during the month were 78.6°F and 69.4°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
35%
35%
29%

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total 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
2.7
1.4
1.1
1.2
2.0
1.2
1.1
1.3
1.2
1.1
1.2
1.4
1.1
1.2
1.6
2.0
1.2
1.1
1.3
1.2
1.1
1.2

Precipitation total value in Dewey Beach in August is 1.6 in. Other months of the year show relatively similar values.

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
11.8
11.7
10.6
11.1
8.9
10.2
11.5
12.2
13.3
12.5
12.8
11.8
11.7
10.6
11.1
8.9
8.9
10.2
11.5
12.2
13.3
12.5
12.8

The average wind speed value in August is 8.9 mph It makes August lest windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.9
6.5
8.1
9.7
11.3
13.0
5.2
6.8
7.1
7.5
8.7
9.5
7.1
7.1
6.8
5.6
5.5
5.2
6.8
7.1
7.5
8.2
8.7
9.5
7.1
7.1
6.8
5.6
5.5

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 August is: 8.2.

Best time for vacation in Dewey Beach

Sunniest months:
November 17 days
October 15 days
June 14 days
Warmest months:
July 80.4 °F
August 78.7 °F
June 74.2 °F
Warmest sea temp:
July 74.9 °F
August 74.6 °F
September 73.2 °F
Coldest months:
January 41.2 °F
February 43.8 °F
December 46.4 °F
Rainiest months:
August 4 days
July 4 days
February 3 days
Windiest months:
March 13.3 mph
January 12.8 mph
February 12.5 mph

Dewey Beach on a weather map

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Places in USA:
Name
°F
Boston
+37°F
Washington
+43°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+66°F
Los Angeles
+55°F
Miami
+75°F
New York
+39°F
Orlando
+64°F
San Diego
+59°F
San Francisco
+50°F
Sarasota
+61°F
Tampa
+64°F
Houston
+68°F
Chicago
+41°F
all places
24 Hours Forecast
Dewey Beach
Local time: 03:32
April 17, thursday
0600
39°F
SE
12 mph
0900
46°F
SE
12 mph
1200
55°F
SE
11 mph
1500
61°F
SE
5 mph
1800
61°F
N
1 mph
2100
52°F
E
6 mph
April 18, friday
0000
48°F
NE
3 mph
0300
46°F
NE
7 mph
Units of measurement: °C / °F