In August, Santa Monica typically sees daytime highs of 29.9°C and overnight lows around 16.8°C. Compared to the annual average high of 23.7°C, August runs +6.3°C.
August in Santa Monica averages a daytime high of 29.9°C and an overnight low of 16.8°C.
August runs +6.3°C compared to Santa Monica's annual average high of 23.7°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 29.9°C and cooler evenings around 16.8°C.