Mazatlán Weather in October

The climate in Mazatlán during October can be summarized as hot, humid and reasonably dry.

October is in the fall / autumn in Mazatlán and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (75°F) is normal.

On average October is the 4th wettest month of the year in Mazatlán with around 63mm 2.5 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 8.3 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 Mazatlán in October 2025.