San Luis Obispo Weather in April

The climate in San Luis Obispo during April can be summarized as mild and reasonably dry.

April is in the spring in San Luis Obispo and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 6°C (42°F) is normal.

On average April is the 6th wettest month of the year in San Luis Obispo with around 38mm 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 11 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 San Luis Obispo in April 2024.