Dewey Beach Water Temperature

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Dewey Beach is a village close to Atlantic Ocean. August is the month with the hottest water temperature at 75.2°F / 24°C. The coldest month is February with an ø water temperature of 38.7°F / 3.7°C. February is the month with the lowest precipitation of 0in / 0mm and July with the highest precipitation in a year with 1.9in / 49mm. The avg. air 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 air temperature. June, July, August, September would be the best time to visit. mild temperate climate with hot summer would be the climate here.

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
Jul. 18
Thunderstorm with rain
84 °F
74°F
29 °C
23°C
1mph (2km/h)
south-southwest
0in (5mm)
60 %
86%
Jul. 19
Scattered clouds
81 °F
71°F
27 °C
22°C
2mph (3km/h)
east-southeast
0in (0mm)
0 %
78%
Jul. 20
Thunderstorm with rain
83 °F
71°F
28 °C
21°C
1mph (2km/h)
east-southeast
0in (4mm)
55 %
83%
Jul. 21
Thunderstorm with rain
83 °F
72°F
28 °C
22°C
1mph (2km/h)
east-southeast
0in (8mm)
75 %
84%
Jul. 22
Thunderstorm with rain
83 °F
73°F
29 °C
23°C
1mph (2km/h)
south
0in (11mm)
80 %
87%
Jul. 23
Thunderstorm with rain
87 °F
73°F
30 °C
23°C
2mph (3km/h)
south
1in (13mm)
80 %
91%
Jul. 24
Thunderstorm with rain
90 °F
73°F
32 °C
23°C
3mph (5km/h)
southwest
0in (7mm)
70 %
83%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jul. 25
Thunderstorm with rain
91 °F
75°F
33 °C
24°C
4mph (6km/h)
southwest
0in (5mm)
60 %
76%
Jul. 26
Heavy rain
83 °F
71°F
28 °C
22°C
2mph (3km/h)
south-southeast
1in (27mm)
90 %
88%
Jul. 27
Moderate rain
74 °F
70°F
24 °C
21°C
1mph (2km/h)
east
0in (8mm)
75 %
95%
Jul. 28
Moderate rain
78 °F
66°F
26 °C
19°C
1mph (2km/h)
west-northwest
1in (14mm)
80 %
86%
Jul. 29
Few clouds
82 °F
67°F
28 °C
20°C
1mph (2km/h)
west
0in (1mm)
15 %
78%
Jul. 30
Broken clouds
85 °F
71°F
30 °C
21°C
2mph (3km/h)
south-southwest
0in (0mm)
10 %
74%
Jul. 31
Scattered clouds
89 °F
74°F
31 °C
24°C
2mph (3km/h)
south-southwest
0in (0mm)
10 %
78%
Aug. 01
Moderate rain
82 °F
72°F
28 °C
22°C
2mph (3km/h)
south
0in (11mm)
80 %
92%
Aug. 02
Heavy rain
82 °F
71°F
28 °C
22°C
2mph (3km/h)
south-southwest
1in (24mm)
90 %
93%

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 most draught at 0in / 0mm and July the month with the most rain around 1.9in / 49mm. The avg. 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 avg. temperature.

Activities & POI in Dewey Beach

Type of Activity List
Golf Course Rehoboth Beach Country Club
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