In December, Cotia typically sees daytime highs of 26.7°C and overnight lows around 17.3°C. Compared to the annual average high of 25.1°C, December runs +1.6°C.
December in Cotia averages a daytime high of 26.7°C and an overnight low of 17.3°C.
December runs +1.6°C compared to Cotia's annual average high of 25.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 17.3°C.