October in Gilroy averages a daily high of 26°C with nights around 9.5°C. Rain is rare — about 2.6 wet days and 26.6mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Gilroy is April–June.
Based on GILROY, CA US (0.7km), 1995–2024. 21 years of October data.