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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