In April, San Jose typically sees daytime highs of 19.8°C and overnight lows around 6.7°C. Compared to the annual average high of 21.3°C, April runs -1.6°C.
April in San Jose averages a daytime high of 19.8°C and an overnight low of 6.7°C.
April runs -1.6°C compared to San Jose's annual average high of 21.3°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 6.7°C.