In December, Rio Claro typically sees daytime highs of 28.4°C and overnight lows around 18.3°C. Compared to the annual average high of 27.2°C, December runs +1.1°C.
December in Rio Claro averages a daytime high of 28.4°C and an overnight low of 18.3°C.
December runs +1.1°C compared to Rio Claro's annual average high of 27.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 28.4°C and cooler evenings around 18.3°C.