In December, Rio do Sul typically sees daytime highs of 27.9°C and overnight lows around 17.6°C. Compared to the annual average high of 24.4°C, December runs +3.5°C.
December in Rio do Sul averages a daytime high of 27.9°C and an overnight low of 17.6°C.
December runs +3.5°C compared to Rio do Sul's annual average high of 24.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 27.9°C and cooler evenings around 17.6°C.