Weather in Dewey Beach in Summer
| June | July | August | ||||
| Average day temperature: | 74.2°F | 80.4°F | 78.7°F | |||
| Average night temperature: | 67.3°F | 73.7°F | 72.6°F | |||
| Sea water temperature: | 67.7°F | 74.9°F | 74.6°F | |||
| Number of sunny days: | 14 days | 11 days | 11 days | |||
| Day length: | 14.7 - 14.9 h. | 14.2 - 14.8 h. | 13.1 - 14.1 h. | |||
| Number of rainy days: | 2 days | 4 days | 4 days | |||
| Precipitation totals: | 1.2 in. | 2.0 in. | 1.6 in. | |||
current
weather
weather
| Dewey Beach |
monthly
weather
weather
| Dewey Beach |
sea water
temperature
temperature
| Dewey Beach |
14 days
forecast
forecast
| Dewey Beach |
Day & Night air temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
78.7
80.4
74.2
72.6
73.7
67.3
| Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
12
24
36
48
60
72
84
96
74.6
74.9
67.7
Precipitation total, in.
June
July
August
0.0
0.3
0.7
1.0
1.4
1.7
2.0
2.4
2.7
1.6
2
1.2
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
9
6
6
11
13
10
11
11
14
| Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
| Dewey Beach |
weather in
spring
spring
| Dewey Beach |
weather in
summer
summer
| Dewey Beach |
weather in
autumn
autumn
| Dewey Beach |
Wind speed, mph
June
July
August
0.0
1.7
3.5
5.2
7.0
8.7
10.4
12.2
8.9
8.9
10.2
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
11
8.2
8.7
9.5
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Dewey Beach
Dewey Beach on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Dewey Beach
Local time: 08:31
April 11, friday
0900
52°F
W
16 mph
16 mph
1200
50°F
W
19 mph
19 mph
1500
48°F
W
21 mph
21 mph
1800
46°F
W
25 mph
25 mph
2100
46°F
W
21 mph
21 mph
April 12, saturday
0000
48°F
SW
14 mph
14 mph
0300
48°F
SW
14 mph
14 mph
0600
48°F
S
17 mph
17 mph
