In December, Joinville typically sees daytime highs of 27.2°C and overnight lows around 19.6°C. Compared to the annual average high of 24.4°C, December runs +2.8°C.
December in Joinville averages a daytime high of 27.2°C and an overnight low of 19.6°C.
December runs +2.8°C compared to Joinville's annual average high of 24.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.2°C and cooler evenings around 19.6°C.