October in San Antonio typically marks a transition from the sweltering summer heat to milder autumn conditions. Daily high temperatures generally decrease from the low 90s Fahrenheit (low 30s Celsius) at the beginning of the month to the low 80s Fahrenheit (high 20s Celsius) by the end. Overnight lows follow a similar trend, dropping from the low 70s Fahrenheit (low 20s Celsius) to the low 60s Fahrenheit (mid-teens Celsius). Rainfall is usually moderate, averaging around three inches for the entire month, making it relatively dry compared to other times of the year. Humidity levels also decrease, offering a more comfortable atmosphere.
Understanding the typical weather patterns for this period is crucial for anyone planning to visit or reside in San Antonio during October. This information can inform decisions regarding appropriate attire, outdoor activities, and potential travel disruptions. Historically, October has provided a pleasant respite from the summer’s intense heat while still offering plenty of sunshine and opportunities for outdoor enjoyment. This makes it a popular time for festivals, events, and exploring the city’s numerous attractions. Accurate weather predictions facilitate effective planning and contribute to a positive experience.