San Jacinto Weather in December

What's the weather like in San Jacinto (California) in December 2024?

The climate in San Jacinto during December can be summarized as mild and reasonably dry.

December is in the winter in San Jacinto and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 3°C (37°F) is normal.

San Jacinto weather averages (imperial / metric)
Daytime temperature 17.3°C 63.1°F
Nightly temperature 2.8°C 37°F
Average temperature 10°C 50°F
Daily sunshine 8.1 hrs
Avg rainfall 47 mm 1.9 ins
Rainy days 4 days
Sea temperature 15.7°C 60.2°F
Humidity 60%
Windspeed 11.5kph 7 mph

On average December is the 4th wettest month of the year in San Jacinto with around 47mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

December temperatures in San Jacinto

San Jacinto average temperature in December

December rainfall

San Jacinto average rain in December

December hourly sunshine

San Jacinto 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 San Jacinto in December 2024.