May weather forecastSeacliff State Beach, CA
May
Weather in May
Ocean temperature
In May, the average ocean temperature in Seacliff State Beach, California, is 54.1°F (12.3°C).Note: Immersing oneself in 54.1°F (12.3°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
The average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:21 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 Seacliff State Beach, the average seawater temperature in May 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.
The average day length in May in Seacliff State Beach is 14h and 10min.
In May, on the first day of the month, sunrise is at 6:12 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:21 pm PDT.
Average sea temperature in May
Seacliff State Beach, CA
- Average sea temperature in May: 54.2°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 May
Seacliff State Beach, CA
- Average daylight in May: 14h 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).





