In July, San Jose typically sees daytime highs of 29.1°C and overnight lows around 13.0°C. Compared to the annual average high of 21.3°C, July runs +7.8°C.
July in San Jose averages a daytime high of 29.1°C and an overnight low of 13.0°C.
July runs +7.8°C compared to San Jose's annual average high of 21.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 29.1°C and cooler evenings around 13.0°C.