December weather forecastTwin Lakes, CA
December
Weather in December
Ocean temperature
In December, the average ocean temperature in Twin Lakes, California, is 55.6°F (13.1°C).Note: Danger awaits those who swim in 55.6°F (13.1°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:01 pm PST.
Updated: Jul 17, 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 December, the average ocean temperature is 55.6°F (13.1°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
With an average of 9h and 42min of daylight, December has the shortest days of the year.
In December, the average day length is 9h and 41min.
On the first day of December, sunrise is at 7:03 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:01 pm PST.
Average sea temperature in December
Twin Lakes, CA
- Average sea temperature in December: 55.6°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 December
Twin Lakes, CA
- Average daylight in December: 9h and 42min
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).
