Dewey Beach Water Temperature

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Dewey Beach is a village close to Atlantic Ocean. August is the month with the warmest water temperature at 75.2°F / 24°C. The coolest month is February with an avg. water temperature of 38.7°F / 3.7°C. February is the sunniest at 0in / 0mm and July the wettest month with 1.9in / 49mm. The average air temperature is around 77.9°F / 25.5°C, July is the hottest month in a year. January is the coolest with 36.9°F / 2.7°C average air temperature. mild temperate climate with hot summer would be the climate here. June, July, August, September would be the best time to visit.

Dewey Beach Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 75.2°F / 24°C
Coldest Month Water Temperature: February with 38.7°F / 3.7°C
Warmest Month Air Temperature: July with 77.9°F / 25.5°C
Coldest Month Air Temperature: January with 36.9°F / 2.7°C
Wettest Month: July with 1.9in / 49mm
Driest Month: February with 0in / 0mm
Highest Humidity September with 74.1%
Lowest Humidity March with 64.9%
Best Time to Visit: June, July, August, September
Climate Classification mild temperate climate with hot summer

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Dewey Beach water temperature by month

Atlantic Ocean water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

44.4 41.4 38.7

February

39.6 38.8 38.1

March

44.1 41.2 38.8

April

52.5 48.2 44.2

May

63.7 57.6 52.3

June

72 67.6 64

July

75.6 73.8 71.8

August

75.9 75 74.1

September

74.5 72.5 69.8

October

69.8 65.3 60.1

November

60.3 55.9 51.8

December

51.6 47.7 44.4

Atlantic Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

6.9 5.2 3.7

February

4.2 3.8 3.4

March

6.7 5.1 3.8

April

11.4 9 6.8

May

17.6 14.2 11.3

June

22.2 19.8 17.8

July

24.2 23.2 22.1

August

24.4 23.9 23.4

September

23.6 22.5 21

October

21 18.5 15.6

November

15.7 13.3 11

December

10.9 8.7 6.9
The highest water temperature will be reached in August with around 75.2°F / 24°C. The lowest in February with an average water temperature of 38.7°F / 3.7°C.

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Dewey Beach weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Apr. 25
Broken clouds
68 °F
53°F
20 °C
12°C
2mph (3km/h)
south-southeast
0in (0mm)
0 %
84%
Apr. 26
Thunderstorm with rain
74 °F
57°F
23 °C
14°C
3mph (5km/h)
southwest
0in (10mm)
75 %
83%
Apr. 27
Light shower rain
66 °F
49°F
19 °C
10°C
3mph (5km/h)
northwest
0in (3mm)
60 %
58%
Apr. 28
Few clouds
67 °F
51°F
19 °C
11°C
2mph (3km/h)
west-northwest
0in (0mm)
0 %
60%
Apr. 29
Few clouds
72 °F
53°F
22 °C
12°C
3mph (4km/h)
south-southwest
0in (0mm)
0 %
67%
Apr. 30
Broken clouds
67 °F
60°F
20 °C
16°C
4mph (6km/h)
west
0in (1mm)
20 %
76%
May. 01
Overcast clouds
58 °F
56°F
15 °C
13°C
3mph (5km/h)
east
0in (0mm)
20 %
75%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
May. 02
Thunderstorm with heavy rain
69 °F
57°F
21 °C
14°C
5mph (8km/h)
south-southwest
1in (25mm)
90 %
89%
May. 03
Broken clouds
56 °F
51°F
13 °C
11°C
6mph (9km/h)
southwest
0in (1mm)
35 %
81%
May. 04
Clear Sky
57 °F
54°F
14 °C
12°C
2mph (4km/h)
south-southwest
0in (0mm)
0 %
71%
May. 05
Clear Sky
64 °F
54°F
18 °C
12°C
4mph (7km/h)
south-southwest
0in (0mm)
0 %
79%
May. 06
Moderate rain
66 °F
56°F
19 °C
13°C
4mph (6km/h)
west
0in (10mm)
85 %
80%
May. 07
Light shower rain
60 °F
49°F
16 °C
9°C
6mph (9km/h)
north-northwest
0in (3mm)
60 %
62%
May. 08
Few clouds
62 °F
45°F
17 °C
7°C
6mph (9km/h)
north-northwest
0in (0mm)
20 %
61%
May. 09
Overcast clouds
58 °F
52°F
14 °C
11°C
6mph (9km/h)
southwest
0in (0mm)
0 %
68%
May. 10
Overcast clouds
61 °F
55°F
16 °C
13°C
4mph (7km/h)
south-southwest
0in (0mm)
20 %
81%

Dewey Beach weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

49.5 36.9 27 0.3 0 65.9%

February

49.8 38.3 30 0 0 65.9%

March

60.8 45.1 32.2 0 0 64.9%

April

68.5 55.2 43 0.1 0 65.8%

May

79.3 64.4 52.5 0.4 0 69.8%

June

85.1 73.2 63 0.3 1 71%

July

87.3 77.9 69.8 1.9 1 71.5%

August

85.6 76.8 68 1.5 1 74%

September

82.2 71.4 62.4 0.5 1 74.1%

October

74.8 61.2 47.5 0 0 70.9%

November

65.3 50.5 41.2 0 0 69.6%

December

54.3 42.4 34.9 0 0 70.6%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

9.7 2.7 -2.8 8.6 0 65.9%

February

9.9 3.5 -1.1 0 0 65.9%

March

16 7.3 0.1 0 0 64.9%

April

20.3 12.9 6.1 3.4 0 65.8%

May

26.3 18 11.4 9.3 0 69.8%

June

29.5 22.9 17.2 7 1 71%

July

30.7 25.5 21 49 1 71.5%

August

29.8 24.9 20 39.3 1 74%

September

27.9 21.9 16.9 11.5 1 74.1%

October

23.8 16.2 8.6 0 0 70.9%

November

18.5 10.3 5.1 0 0 69.6%

December

12.4 5.8 1.6 0 0 70.6%
February is the month with the lowest rain of 0in / 0mm and July with the highest precipitation in a year with 1.9in / 49mm. The avg. temperature is around 77.9°F / 25.5°C, July is the month with the highest temperature. January is the coolest with 36.9°F / 2.7°C average temperature.

Activities & POI in Dewey Beach

Type of Activity List
Golf Course Rehoboth Beach Country Club
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