In December, Ourinhos typically sees daytime highs of 29.0°C and overnight lows around 19.8°C. Compared to the annual average high of 27.3°C, December runs +1.7°C.
December in Ourinhos averages a daytime high of 29.0°C and an overnight low of 19.8°C.
December runs +1.7°C compared to Ourinhos's annual average high of 27.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 29.0°C and cooler evenings around 19.8°C.