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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