In November, Costa Mesa typically sees daytime highs of 21.7°C and overnight lows around 10.4°C. Compared to the annual average high of 22.1°C, November runs -0.4°C.
November in Costa Mesa averages a daytime high of 21.7°C and an overnight low of 10.4°C.
November runs -0.4°C compared to Costa Mesa's annual average high of 22.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 21.7°C and cooler evenings around 10.4°C.