In December, Araruama typically sees daytime highs of 29.0°C and overnight lows around 20.9°C. Compared to the annual average high of 27.5°C, December runs +1.5°C.
December in Araruama averages a daytime high of 29.0°C and an overnight low of 20.9°C.
December runs +1.5°C compared to Araruama's annual average high of 27.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 29.0°C and cooler evenings around 20.9°C.