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Sea Temperature in Cape Cod in August

Complete information on the sea temperature range in the Atlantic Ocean in Cape Cod in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Cape Cod. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Cape Cod in August

18°C

MINIMUN

21°C

AVERAGE

24°C

MAXIMUM

Historical Data of Water Temperature in August in Cape Cod

Water Temperature Chart for Atlantic Ocean in Cape Cod in August

Sea Temperature Table in Cape Cod in August Over the Past Years

Day202420232022Average
Aug 122°C24°C20°C21.5°C
Aug 221°C24°C19°C21.3°C
Aug 321°C24°C21°C21.5°C
Aug 421°C22°C19°C20.8°C
Aug 521°C22°C18°C20.5°C
Aug 622°C21°C22°C21.3°C
Aug 722°C21°C18°C20.5°C
Aug 823°C21°C21°C21.3°C
Aug 922°C21°C18°C20.3°C
Aug 1023°C23°C19°C21.3°C
Aug 1122°C22°C18°C20.8°C
Aug 1223°C22°C22°C22.0°C
Aug 1323°C22°C18°C21.0°C
Aug 1423°C23°C21°C22.0°C
Aug 1523°C23°C19°C21.3°C
Aug 1623°C23°C18°C21.3°C
Aug 1724°C21°C21°C21.8°C
Aug 1823°C21°C22°C21.8°C
Aug 1924°C22°C21°C22.0°C
Aug 2024°C21°C20°C21.5°C
Aug 2123°C21°C21°C21.5°C
Aug 2223°C21°C19°C21.0°C
Aug 2323°C22°C20°C21.3°C
Aug 2423°C22°C19°C21.0°C
Aug 2523°C22°C18°C20.8°C
Aug 2623°C22°C21°C21.5°C
Aug 2723°C22°C22°C22.0°C
Aug 2823°C21°C21°C21.5°C
Aug 2923°C21°C19°C21.0°C
Aug 3023°C21°C21°C21.5°C
Massachusetts, United StatesMassachusetts, United StatesMassachusetts, United States

Cape Cod Climate and Swimming Opportunities in August

26°C

Average Day Air Temperature

17°C

Average Night Air Temperature

78 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

14 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

16 km/h

Average Wind Speed

76%

Average
humidity

Cape Cod lies within the Massachusetts in United States. The average daytime temperature in Cape Cod in August is 79°F (26°C), while the nighttime average is 63°F (17°C). There are typically 10 rainy days during the month, with a total precipitation of 3.1 inches (78 mm). The daylight duration in August in Cape Cod is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 10 mph (16 km/h), and the humidity level is around 76%.

The water temperature in Cape Cod in August ranges from 68°F to 72°F (20°C to 22°C). At the beginning of the month, the average temperature is around 70°F (21°C), shifting to 70°F (21°C) by mid-August and reaching 70°F (21°C) in the last ten days. Overall, the average sea temperature in Cape Cod for August is 70°F (21°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in August in Cape Cod

What is the sea temperature in Cape Cod in August?

The water temperature in the Atlantic Ocean in Cape Cod in August ranges from 68°F to 72°F (20°C to 22°C).

Is it possible to swim in the Atlantic Ocean in Cape Cod in August?

The average sea temperature in Cape Cod in August is 70°F (21°C), and the air temperature is 79°F (26°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.