In January, Rio Claro typically sees daytime highs of 29.0°C and overnight lows around 18.9°C. Compared to the annual average high of 27.2°C, January runs +1.8°C.
January in Rio Claro averages a daytime high of 29.0°C and an overnight low of 18.9°C.
January runs +1.8°C compared to Rio Claro's annual average high of 27.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.0°C and cooler evenings around 18.9°C.