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.
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.
The coldest month is February with an average water temperature of 36.9°F / 2.7°C.
August is the driest at 0in / 0mm and January the wettest month with 1.7in / 42.2mm.
With an average air temperature of 70.5°F / 21.4°C, August is the warmest month in a year. January is the coldest with 33.1°F / 0.6°C average air temperature.
The Climate is described as temperate oceanic climate with warm summer. Best time to Visit would be in June, July, August, September.
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 |
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 highest water temperature will be reached in August with around 68.5°F / 20.3°C. The lowest 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).
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% |
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
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