In January, Petropolis typically sees daytime highs of 31.2°C and overnight lows around 21.2°C. Compared to the annual average high of 28.2°C, January runs +3.0°C.
January in Petropolis averages a daytime high of 31.2°C and an overnight low of 21.2°C.
January runs +3.0°C compared to Petropolis's annual average high of 28.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 31.2°C and cooler evenings around 21.2°C.