June in Gilroy averages a daily high of 29°C with nights around 11.9°C. Rain is rare — about 0.5 wet days and 1.5mm 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 June data.