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.
Note: Swimming in 58.6°F (14.8°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
On the first day of October, 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.
Ocean temperature
In October, the average ocean temperature is 58.6°F (14.8°C).Note: Swimming in 58.6°F (14.8°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In October, the average length of the day is 11h and 4min.On the first day of October, 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.
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the water temperature in October in Cape Cod National Seashore?
In October, the average ocean temperature 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 October, the average day length is 11h and 4min.
When is the sunrise / sunset in October?
On the first day of October, 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: 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).
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).
Cape Cod National Seashore, Massachusetts, USA
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