World Resorts USA Dewey Beach

Dewey Beach Monthly Weather Averages

Please click on any column to get detailed information about Dewey Beach weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
46.4
55.6
65.8
74.0
78.7
80.4
74.2
63.8
57.5
51.1
43.8
41.2
42.5
50.3
59.7
68.4
72.6
73.7
67.3
58.0
50.9
44.7
39.3
37.1
Day temperature   
Night temperature

The warmest month in Dewey Beach is july. The average daily temp is 80.4°F. The average nightly temp is 73.7°F.

Sea water temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
12
24
36
48
60
72
84
96
48.3
57.9
65.9
73.2
74.6
74.9
67.7
58
50.6
45
40.8
42.3

The warmest sea temperature usually observed in July. Average daily sea water temperature during this month is 74.9°F.

Precipitation total, 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
0.9
1.1
1.2
1.6
2
1.2
1.1
1.3
1.2
1.1
1.2

November is the month with least precipitations during the year. The average precipitation totals for this month is 0.9 in. The month with most precipitation total is July.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
5
3
2
3
2
4
4
2
1
2
3
3
3

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
2
4
6
8
10
12
14
16
11.8
11.7
10.6
11.1
8.9
8.9
10.2
11.5
12.2
13.3
12.5
12.8
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
10
6
7
9
9
6
6
13
11
10
11
10
10
8
9
8
11
13
10
10
10
9
8
9
11
17
15
13
11
11
14
9
9
12
9
12
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
5.2
6.8
7.1
7.5
8.2
8.7
9.5
7.1
7.1
6.8
5.6
5.5

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.

* Charts above show average data for the last 3 years.

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

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+52°F
+66°F
+75°F
+75°F
+77°F
+59°F
+73°F
+50°F
+72°F
+57°F
+50°F
+66°F
+70°F
+72°F
+52°F
24 Hours Forecast
Dewey Beach
Local time: 22:45
April 15, tuesday
0000
57°F
N
12 mph
0300
63°F
NE
9 mph
0600
61°F
E
11 mph
0900
64°F
E
10 mph
1200
61°F
E
17 mph
1500
59°F
SE
19 mph
1800
55°F
E
21 mph
2100
52°F
E
20 mph
Units of measurement: °C / °F