October weather forecastSeacliff State Beach, CA
October
Weather in October
Ocean temperature
In Seacliff State Beach, California, in October, the average water temperature is 57.7°F (14.3°C).Note: Unprotected swimming in 57.7°F (14.3°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
In October, the average length of the day is 11h and 14min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:10 pm PDT.
Updated: Jul 7, 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
In October, the average ocean temperature is 57.7°F (14.3°C). Swimming in 57.7°F (14.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
The average day length in October is 11h and 14min.
In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:10 pm PDT.
Average sea temperature in October
Seacliff State Beach, CA
- Average sea temperature in October: 57.8°F
The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).
Average daylight in October
Seacliff State Beach, CA
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).





