In December, Itaguai typically sees daytime highs of 28.6°C and overnight lows around 20.9°C. Compared to the annual average high of 27.1°C, December runs +1.4°C.
December in Itaguai averages a daytime high of 28.6°C and an overnight low of 20.9°C.
December runs +1.4°C compared to Itaguai's annual average high of 27.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 28.6°C and cooler evenings around 20.9°C.