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

°F

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

°C

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

August is the month with the warmest water temperature at 75.2°F / 24°C. The month with the coldest is 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

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Dec. 25	Scattered clouds	42 °F 32°F	5 °C 0°C	2mph (3km/h) northeast	0in (0mm) 0 %	78%
Dec. 26	Scattered clouds	41 °F 31°F	5 °C -1°C	2mph (3km/h) north-northeast	0in (0mm) 0 %	77%
Dec. 27	Scattered clouds	47 °F 34°F	8 °C 1°C	1mph (2km/h) east-northeast	0in (0mm) 0 %	86%
Dec. 28	Light shower rain	53 °F 40°F	12 °C 4°C	2mph (3km/h) south	0in (2mm) 55 %	95%
Dec. 29	Moderate rain	58 °F 47°F	15 °C 9°C	3mph (5km/h) south	1in (14mm) 90 %	95%
Dec. 30	Heavy rain	58 °F 45°F	14 °C 7°C	3mph (5km/h) southwest	1in (19mm) 90 %	94%
Dec. 31	Overcast clouds	46 °F 42°F	8 °C 6°C	3mph (4km/h) east-southeast	0in (1mm) 25 %	94%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Jan. 01	Broken clouds	47 °F 45°F	9 °C 7°C	1mph (2km/h) southwest	0in (0mm) 15 %	91%
Jan. 02	Overcast clouds	45 °F 42°F	7 °C 5°C	2mph (4km/h) west-northwest	0in (1mm) 40 %	84%
Jan. 03	Scattered clouds	44 °F 38°F	6 °C 3°C	4mph (6km/h) west-northwest	0in (0mm) 0 %	69%
Jan. 04	Broken clouds	44 °F 40°F	6 °C 4°C	2mph (4km/h) west-northwest	0in (0mm) 0 %	76%
Jan. 05	Clear Sky	39 °F 35°F	4 °C 2°C	4mph (6km/h) north-northwest	0in (0mm) 0 %	61%
Jan. 06	Overcast clouds	50 °F 37°F	10 °C 3°C	3mph (4km/h) south-southwest	0in (0mm) 0 %	75%
Jan. 07	Moderate rain	49 °F 44°F	9 °C 7°C	7mph (12km/h) southwest	1in (13mm) 85 %	82%
Jan. 08	Few clouds	40 °F 35°F	5 °C 2°C	4mph (6km/h) west-southwest	0in (0mm) 0 %	58%
Jan. 09	Light shower rain	40 °F 39°F	5 °C 4°C	4mph (7km/h) south-southwest	0in (2mm) 45 %	82%

Dewey Beach weather by month / climate table

°F

	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%

°C

	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 driest at 0in / 0mm and July the wettest month with 1.9in / 49mm. With an average temperature of 77.9°F / 25.5°C, July is the warmest month in a year. January is the coldest with 36.9°F / 2.7°C average temperature.

Activities & POI in Dewey Beach

Type of Activity	List
Golf Course	Rehoboth Beach Country Club

atlantic ocean