In August, La Mesa typically sees daytime highs of 27.4°C and overnight lows around 16.5°C. Compared to the annual average high of 22.5°C, August runs +5.0°C.
August in La Mesa averages a daytime high of 27.4°C and an overnight low of 16.5°C.
August runs +5.0°C compared to La Mesa's annual average high of 22.5°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 27.4°C and cooler evenings around 16.5°C.