In October, Garden Grove typically sees daytime highs of 26.1°C and overnight lows around 12.9°C. Compared to the annual average high of 23.9°C, October runs +2.2°C.
October in Garden Grove averages a daytime high of 26.1°C and an overnight low of 12.9°C.
October runs +2.2°C compared to Garden Grove's annual average high of 23.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 26.1°C and cooler evenings around 12.9°C.