In October, Honolulu typically sees daytime highs of 28.1°C and overnight lows around 20.4°C. Compared to the annual average high of 26.8°C, October runs +1.3°C.
October in Honolulu averages a daytime high of 28.1°C and an overnight low of 20.4°C.
October runs +1.3°C compared to Honolulu's annual average high of 26.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 20.4°C.