Carmel-by-the-Sea Weather in December

The climate in Carmel-by-the-Sea during December can be summarized as cool and wet.

December is in the winter in Carmel-by-the-Sea and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 4°C (39°F) is normal.

On average December is the 2nd wettest month of the year in Carmel-by-the-Sea with around 129mm 5.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.4 hours of sunshine per day.

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 Carmel-by-the-Sea in December 2025.