In December, Barra Mansa typically sees daytime highs of 28.5°C and overnight lows around 19.5°C. Compared to the annual average high of 27.1°C, December runs +1.4°C.
December in Barra Mansa averages a daytime high of 28.5°C and an overnight low of 19.5°C.
December runs +1.4°C compared to Barra Mansa's annual average high of 27.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 28.5°C and cooler evenings around 19.5°C.