Cape Cod Water Temperature

Cape Cod is a beautiful historic region just an hours short drive from Boston. Dotted along the Cape you will find beautiful towns and villages full of culture, art and history.
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The Cape is known for its fresh seafood and lobster, miles of gorgeous beaches and beautifully classic Cape Cod style buildings which will make you believe you’ve entered a story book.

Cape Cod is a town close to atlantic ocean. August is the month with the warmest water temperature at 68.5°F / 20.3°C. The coolest month is February with an avg. water temperature of 36.9°F / 2.7°C. August is the sunniest at 0in / 0mm and January the wettest month with 1.7in / 42.2mm. The average air temperature is around 70.5°F / 21.4°C, August is the hottest month in a year. January is the coolest with 33.1°F / 0.6°C average air temperature. temperate oceanic climate with warm summer would be the climate here. June, July, August, September would be the best time to visit.

Cape Cod Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 68.5°F / 20.3°C
Coldest Month Water Temperature:	February with 36.9°F / 2.7°C
Warmest Month Air Temperature:	August with 70.5°F / 21.4°C
Coldest Month Air Temperature:	January with 33.1°F / 0.6°C
Wettest Month:	January with 1.7in / 42.2mm
Driest Month:	August with 0in / 0mm
Highest Humidity	June with 82.5%
Lowest Humidity	February with 70.6%
Best Time to Visit:	June, July, August, September
Climate Classification	temperate oceanic climate with warm summer

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Cape Cod water temperature by month

°F

atlantic ocean water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	42.4	39.7	37.6
February	37.6	37	36.3
March	39.9	37.9	36.9
April	46.6	43	39.9
May	55.4	50.7	46.6
June	63.7	59	55.6
July	68.5	66.6	63.5
August	69.4	68.4	67.1
September	67.5	65.3	62.8
October	62.6	58.3	53.8
November	54	50.7	47.3
December	47.3	44.8	42.3

°C

atlantic ocean water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	5.8	4.3	3.1
February	3.1	2.8	2.4
March	4.4	3.3	2.7
April	8.1	6.1	4.4
May	13	10.4	8.1
June	17.6	15	13.1
July	20.3	19.2	17.5
August	20.8	20.2	19.5
September	19.7	18.5	17.1
October	17	14.6	12.1
November	12.2	10.4	8.5
December	8.5	7.1	5.7

August is the month with the warmest water temperature at 68.5°F / 20.3°C. The month with the coldest is February with an average water temperature of 36.9°F / 2.7°C.

Cape Cod has become a popular tourist in the summer months, and experiences cooler spring and mild fall seasons. Head to the Cape late summer or early fall to catch the best weather, and warmest water temperatures for swimming (average 65 F water temperature).

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Cape Cod 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. 30	Moderate rain	53 °F 41°F	12 °C 5°C	3mph (6km/h) south-southwest	0in (11mm) 85 %	93%
Dec. 31	Scattered clouds	48 °F 37°F	9 °C 3°C	2mph (3km/h) south-southwest	0in (1mm) 35 %	87%
Jan. 01	Heavy rain	49 °F 37°F	10 °C 3°C	4mph (6km/h) south-southwest	1in (20mm) 90 %	92%
Jan. 02	Scattered clouds	42 °F 31°F	6 °C -0°C	5mph (8km/h) west	0in (0mm) 0 %	67%
Jan. 03	Few clouds	37 °F 28°F	3 °C -2°C	4mph (6km/h) west	0in (0mm) 0 %	61%
Jan. 04	Scattered clouds	34 °F 25°F	1 °C -4°C	3mph (5km/h) west	0in (0mm) 20 %	61%
Jan. 05	Broken clouds	30 °F 24°F	-1 °C -4°C	5mph (9km/h) west-northwest	0in (0mm) 0 %	51%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Jan. 06	Broken clouds	32 °F 23°F	-0 °C -5°C	4mph (6km/h) west-northwest	0in (0mm) 0 %	48%
Jan. 07	Mix snow/rain	34 °F 30°F	1 °C -1°C	1mph (2km/h) southwest	0in (2mm) 70 %	64%
Jan. 08	Light snow	33 °F 30°F	1 °C -1°C	3mph (6km/h) west-northwest	0in (3mm) 90 %	79%
Jan. 09	Broken clouds	26 °F 25°F	-3 °C -4°C	5mph (8km/h) west	0in (0mm) 0 %	62%
Jan. 10	Few clouds	25 °F 21°F	-4 °C -6°C	6mph (9km/h) west	0in (0mm) 0 %	59%
Jan. 11	Few clouds	25 °F 19°F	-4 °C -7°C	4mph (7km/h) west-northwest	0in (0mm) 0 %	54%
Jan. 12	Few clouds	24 °F 20°F	-4 °C -7°C	5mph (8km/h) northwest	0in (0mm) 0 %	51%
Jan. 13	Broken clouds	29 °F 21°F	-2 °C -6°C	3mph (5km/h) west-northwest	0in (0mm) 0 %	43%
Jan. 14	Few clouds	29 °F 26°F	-2 °C -3°C	3mph (4km/h) northwest	0in (0mm) 0 %	46%

Cape Cod weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	42.1	33.1	24.1	1.7	3	71.4%
February	41	33.4	25.9	0.6	1	70.6%
March	47.3	37.6	29.1	1	1	71.9%
April	53.4	45.3	37.4	0.4	3	75.1%
May	63.7	53.8	45.9	0.8	0	80.2%
June	72.1	62.6	55.4	0.3	0	82.5%
July	75.6	70.3	65.1	0	0	81.9%
August	76.1	70.5	65.7	0	0	81.6%
September	72	65.5	60.1	0.1	0	78.6%
October	65.3	56.3	46.2	0.4	0	73.4%
November	58.1	47.3	38.7	0	1	71.9%
December	48.7	39.4	32.5	1.2	2	71.5%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	5.6	0.6	-4.4	42.2	3	71.4%
February	5	0.8	-3.4	15.2	1	70.6%
March	8.5	3.1	-1.6	25.3	1	71.9%
April	11.9	7.4	3	9.2	3	75.1%
May	17.6	12.1	7.7	21.5	0	80.2%
June	22.3	17	13	6.4	0	82.5%
July	24.2	21.3	18.4	1	0	81.9%
August	24.5	21.4	18.7	0	0	81.6%
September	22.2	18.6	15.6	2.6	0	78.6%
October	18.5	13.5	7.9	9.3	0	73.4%
November	14.5	8.5	3.7	0	1	71.9%
December	9.3	4.1	0.3	29.9	2	71.5%

August is the most draught at 0in / 0mm and January the month with the most rain around 1.7in / 42.2mm. The avg. temperature is around 70.5°F / 21.4°C, August is the hottest month in a year. January is the coolest with 33.1°F / 0.6°C avg. temperature.

Getting to the Cape from Boston is easy with many different options available including train, bus, ferry or driving however if you really want to explore the area properly hire a car and head down highway 6a visiting the studios of local artists or stop in at the villages along your journey.

Activities around Cape Cod

If museum’s are your thing head to the famous glass museum in the quaint village of Sandwich and watch glass blowing in action or learn more about JFK at the JFK museum in Hyannis. Cape Cod also has a range of water activities available including windsurfing, boating or fishing.

With friendly locals always ready to help Cape Cod is a great holiday destination for all ages with something for everyone.

Activities & POI in Cape Cod

Type of Activity	List
Beach	Sandy Neck Beach, Craigville Beach, Dowses Beach, Keyes Memorial Beach, Long Beach, Wianno Beach, Chapin Memorial Beach, Scorton Neck Beach, Thachers Beach, Englewood Beach, Hyannis Port Beach, Christian Camp Meeting Beach, Seagull Beach, Millway Beach, Keyes Beach, Bay View Street Beach, Grays Beach, Public Beach, Hamblini Pond Beach
Marina for Sailing, Boat adventures, fishing	Hyannis Marina, Hyannis Port Yacht Club, Hyannis Yacht Club Mooring Field
Attraction	Wild Animal Lagoon, Jump On Us!, Putter's Paradise, Pirates Cove, Wackenhammer's Clockwork Arcade and Carousel
Golf Course	Hyannis Golf Course, Hyannisport Club, Twin Brooks Golf Course, Olde Barnstable Fairgrounds, Wianno Club, Bayberry Hills Golf Course, Oyster Harbors Club, Cummaquid Golf Club

Picture Copyright: Flickr CC 2.0 sukhchander

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