In March, San Jose typically sees daytime highs of 31.6°C and overnight lows around 23.4°C. Compared to the annual average high of 31.0°C, March runs +0.6°C.
March in San Jose averages a daytime high of 31.6°C and an overnight low of 23.4°C.
March runs +0.6°C compared to San Jose's annual average high of 31.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.6°C and cooler evenings around 23.4°C.