July weather forecast
Cape Cod National Seashore, MA

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Weather in July

July epitomizes summer at Cape Cod National Seashore, presenting maximum sea temperatures for the year. With the sea warming up to an average of 65.8°F (18.8°C), the month is favorable for water activities. Daylight hours remain abundant, just slightly less than June, enhancing outdoor endeavors. As the heart of the summer, July sees the most significant changes in weather compared to its successor and predecessor.

Ocean temperature

In July, the average ocean temperature is 65.8°F (18.8°C).
Note: Swimming in water at 65.8°F (18.8°C) is not a pleasing experience for the majority. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), controlling breathing becomes increasingly hard.

Daylight

The average length of the day in July is 14h and 52min.
On the first day of the month, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of July, sunrise is at 5:33 am and sunset at 7:59 pm EDT.
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Frequently asked questions

What is the ocean temperature in July in Cape Cod National Seashore?

In Cape Cod National Seashore, the average seawater temperature in July is 65.8°F (18.8°C). For swimming, a surface water temperature of 65.8°F (18.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in July in Cape Cod National Seashore?

In July, the average day length in Cape Cod National Seashore, Massachusetts, is 14h and 52min.

When are sunrise and sunset in July in Cape Cod National Seashore?

In July, on the first day of the month, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, in Cape Cod National Seashore, Massachusetts, sunrise is at 5:33 am and sunset at 7:59 pm EDT.

Average sea temperature in July
Cape Cod National Seashore, MA

Average sea temperature in July - Cape Cod National Seashore, MA
  • Average sea temperature in July: 65.8°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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Average daylight in July
Cape Cod National Seashore, MA

Average daylight in July - Cape Cod National Seashore, MA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

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Cape Cod National Seashore, Massachusetts, USA

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