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. temperate oceanic climate with warm summer would be the climate here. August is the month with the highest water temperature at 68.5°F / 20.3°C. The month with the lowest is February with an average water temperature of 36.9°F / 2.7°C. The avg. air temperature is around 70.5°F / 21.4°C, August is the month with the highest temperature. January is the coolest with 33.1°F / 0.6°C average air temperature. August is the month with the min. precipitation of 0in / 0mm and January with the max. precipitation in a year with 1.7in / 42.2mm. June, July, August, September would be the best time to visit this place.

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

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

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

The hottest water temperature typically reached in August with around 68.5°F / 20.3°C. The coldest in 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

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Oct. 28
Scattered clouds
51 °F
40°F
10 °C
4°C
2mph (3km/h)
northeast
0in (0mm)
0 %
65%
Oct. 29
Broken clouds
56 °F
39°F
13 °C
4°C
2mph (3km/h)
southeast
0in (0mm)
0 %
64%
Oct. 30
Overcast clouds
67 °F
50°F
19 °C
10°C
4mph (6km/h)
south-southwest
0in (1mm)
40 %
87%
Oct. 31
Scattered clouds
69 °F
55°F
21 °C
13°C
3mph (5km/h)
southwest
0in (0mm)
0 %
91%
Nov. 01
Thunderstorm with rain
69 °F
52°F
20 °C
11°C
4mph (6km/h)
west-southwest
0in (3mm)
50 %
85%
Nov. 02
Scattered clouds
53 °F
45°F
12 °C
7°C
3mph (5km/h)
east
0in (1mm)
40 %
72%
Nov. 03
Scattered clouds
55 °F
46°F
13 °C
8°C
1mph (2km/h)
southeast
0in (0mm)
0 %
60%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Nov. 04
Scattered clouds
62 °F
49°F
16 °C
10°C
4mph (6km/h)
south-southwest
0in (0mm)
0 %
74%
Nov. 05
Broken clouds
67 °F
61°F
19 °C
16°C
5mph (8km/h)
southwest
0in (0mm)
0 %
79%
Nov. 06
Light shower rain
64 °F
49°F
18 °C
10°C
5mph (8km/h)
west
0in (4mm)
70 %
80%
Nov. 07
Few clouds
48 °F
44°F
9 °C
7°C
5mph (7km/h)
west-southwest
0in (0mm)
0 %
56%
Nov. 08
Broken clouds
42 °F
40°F
6 °C
5°C
2mph (4km/h)
northeast
0in (0mm)
0 %
56%
Nov. 09
Broken clouds
46 °F
39°F
8 °C
4°C
2mph (3km/h)
west-southwest
0in (0mm)
0 %
63%
Nov. 10
Few clouds
50 °F
41°F
10 °C
5°C
2mph (3km/h)
west-southwest
0in (0mm)
0 %
64%
Nov. 11
Scattered clouds
55 °F
46°F
13 °C
8°C
1mph (2km/h)
south
0in (0mm)
0 %
78%
Nov. 12
Broken clouds
58 °F
51°F
14 °C
10°C
3mph (6km/h)
northeast
0in (0mm)
0 %
90%

Cape Cod weather by month / climate table

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%

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 month with the lowest rain of 0in / 0mm and January with the highest precipitation in a year with 1.7in / 42.2mm. The avg. temperature is around 70.5°F / 21.4°C, August is the month with the highest temperature. January is the coolest with 33.1°F / 0.6°C average 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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