In August, San Jose typically sees daytime highs of 30.1°C and overnight lows around 23.4°C. Compared to the annual average high of 31.0°C, August runs -0.9°C.
August in San Jose averages a daytime high of 30.1°C and an overnight low of 23.4°C.
August runs -0.9°C compared to San Jose's annual average high of 31.0°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 30.1°C and cooler evenings around 23.4°C.