Simi Valley Weather in November

The climate in Simi Valley during November can be summarized as mild and reasonably dry.

November is in the fall / autumn in Simi Valley and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 7°C (45°F) is normal.

On average November is the 5th wettest month of the year in Simi Valley with around 55mm 2.2 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 7.4 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 Simi Valley in November 2025.