In December, Itajai typically sees daytime highs of 26.3°C and overnight lows around 20.7°C. Compared to the annual average high of 23.5°C, December runs +2.8°C.
December in Itajai averages a daytime high of 26.3°C and an overnight low of 20.7°C.
December runs +2.8°C compared to Itajai's annual average high of 23.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.3°C and cooler evenings around 20.7°C.