La Jolla Weather in December

What's the weather like in La Jolla (California) in December 2024?

The climate in La Jolla during December can be summarized as mild and reasonably dry.

December is in the winter in La Jolla and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (46°F) is normal.

La Jolla weather averages (imperial / metric)
Daytime temperature 18.8°C 65.8°F
Nightly temperature 7.9°C 46.1°F
Average temperature 13.3°C 55.9°F
Daily sunshine 8.2 hrs
Avg rainfall 39 mm 1.5 ins
Rainy days 5 days
Sea temperature 15.9°C 60.7°F
Humidity 65%
Windspeed 10.8kph 7 mph

On average December is the 4th wettest month of the year in La Jolla with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

December temperatures in La Jolla

La Jolla average temperature in December

December rainfall

La Jolla average rain in December

December hourly sunshine

La Jolla average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in La Jolla in December 2024.