In December, Blumenau typically sees daytime highs of 28.5°C and overnight lows around 18.8°C. Compared to the annual average high of 25.4°C, December runs +3.0°C.
December in Blumenau averages a daytime high of 28.5°C and an overnight low of 18.8°C.
December runs +3.0°C compared to Blumenau's annual average high of 25.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 28.5°C and cooler evenings around 18.8°C.