La Mesa Weather in January

The climate in La Mesa during January can be summarized as mild and reasonably dry.

January is in the winter in La Mesa and is typically the coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 7°C (45°F) is normal.

On average January is the wettest month of the year in La Mesa with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 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 La Mesa in January 2024.