In October, Gilroy typically sees daytime highs of 24.0°C and overnight lows around 8.0°C. Compared to the annual average high of 21.3°C, October runs +2.7°C.
October in Gilroy averages a daytime high of 24.0°C and an overnight low of 8.0°C.
October runs +2.7°C compared to Gilroy's annual average high of 21.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 24.0°C and cooler evenings around 8.0°C.