Weather in January
Ocean temperature
In January, the average ocean temperature in Seacliff State Beach, California, is 54.1°F (12.3°C).Note: It is risky to swim in 54.1°F (12.3°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.
Daylight
In Seacliff State Beach, the average length of the day in January is 9h and 58min.On the first day of January in Seacliff State Beach, sunrise is at 7:20 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:31 pm PST.
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
What is the ocean temperature in January?
In Seacliff State Beach, in January, the average water temperature is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°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 January?
In Seacliff State Beach, the average day length in January is 9h and 58min.
When is the sunrise / sunset in January?
On the first day of January, sunrise is at 7:20 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:31 pm PST.
Average sea temperature in January
Seacliff State Beach, CA
- Average sea temperature in January: 54.1°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 January
Seacliff State Beach, CA
- Average daylight in January: 10h and 0min
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).
Seacliff State Beach, California, USA
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