October weather forecast
Cape Cod National Seashore, MA

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Weather in October

With the arrival of October, Cape Cod National Seashore welcomes the vibrancy of fall. Sea temperatures dip to an average of 58.7°F (14.8°C) indicating cooling waters. The sunlight is less generous with the daylight hours flagging down to just above 11 hours. As it falls between September and November, October distinctly marks the cooling trend before winter intensifies.

Ocean temperature

In Cape Cod National Seashore, Massachusetts, the average seawater temperature in October is 58.6°F (14.8°C).
Note: To swim in 58.6°F (14.8°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of October in Cape Cod National Seashore, sunrise is at 6:37 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:34 pm EDT.
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Frequently asked questions

What is the water temperature in October in Cape Cod National Seashore?

In October, the average ocean temperature in Cape Cod National Seashore, Massachusetts, is 58.6°F (14.8°C). Swimming in 58.6°F (14.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

The average day length in October in Cape Cod National Seashore is 11h and 4min.

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

On the first day of October in Cape Cod National Seashore, sunrise is at 6:37 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:34 pm EDT.

Average sea temperature in October
Cape Cod National Seashore, MA

Average sea temperature in October - Cape Cod National Seashore, MA
  • Average sea temperature in October: 58.7°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 October
Cape Cod National Seashore, MA

Average daylight in October - Cape Cod National Seashore, MA
  • Average daylight in October: 11h and 1min

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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