April weather forecast
Cape Cod National Seashore, MA

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Weather in April

With spring in full blossom, April presents Cape Cod National Seashore with significant improvements compared to March. The sea temperature sees a rise, reaching an average of 43.5°F (6.4°C). Alongside the climbing temperature trend, daylight hours stretch further, with nearly 13.5 hours per day on average. April's burgeoning spring conditions illustrate a stark contrast with the preceding months' cold and dark days.

Ocean temperature

In April, the average ocean temperature is 43.5°F (6.4°C).
Note: Navigating the 43.5°F (6.4°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.

Daylight

In Cape Cod National Seashore, Massachusetts, the average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:05 pm. On the last day of April, sunrise is at 5:36 am and sunset at 7:37 pm EDT.
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Frequently asked questions

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

In Cape Cod National Seashore, Massachusetts, the average seawater temperature in April is 43.5°F (6.4°C). Swimming in 43.5°F (6.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

The average day length in April in Cape Cod National Seashore is 13h and 23min.

When is the sunrise / sunset in April in Cape Cod National Seashore?

On the first day of April in Cape Cod National Seashore, sunrise is at 6:21 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:37 pm EDT.

Average sea temperature in April
Cape Cod National Seashore, MA

Average sea temperature in April - Cape Cod National Seashore, MA
  • Average sea temperature in April: 43.5°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 April
Cape Cod National Seashore, MA

Average daylight in April - Cape Cod National Seashore, MA
  • Average daylight in April: 13h and 2min

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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