In December, Itanhaem typically sees daytime highs of 27.4°C and overnight lows around 20.1°C. Compared to the annual average high of 25.5°C, December runs +1.9°C.
December in Itanhaem averages a daytime high of 27.4°C and an overnight low of 20.1°C.
December runs +1.9°C compared to Itanhaem's annual average high of 25.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.4°C and cooler evenings around 20.1°C.