In December, Sao Jose typically sees daytime highs of 28.1°C and overnight lows around 16.7°C. Compared to the annual average high of 25.0°C, December runs +3.1°C.
December in Sao Jose averages a daytime high of 28.1°C and an overnight low of 16.7°C.
December runs +3.1°C compared to Sao Jose's annual average high of 25.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 16.7°C.