In December, Novo Hamburgo typically sees daytime highs of 29.2°C and overnight lows around 17.1°C. Compared to the annual average high of 25.0°C, December runs +4.2°C.
December in Novo Hamburgo averages a daytime high of 29.2°C and an overnight low of 17.1°C.
December runs +4.2°C compared to Novo Hamburgo's annual average high of 25.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 17.1°C.