In March, San Jose typically sees daytime highs of 17.2°C and overnight lows around 5.5°C. Compared to the annual average high of 21.3°C, March runs -4.1°C.
March in San Jose averages a daytime high of 17.2°C and an overnight low of 5.5°C.
March runs -4.1°C compared to San Jose's annual average high of 21.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 17.2°C and cooler evenings around 5.5°C.