In January, Rio de Janeiro typically sees daytime highs of 30.9°C and overnight lows around 22.5°C. Compared to the annual average high of 27.8°C, January runs +3.0°C.
January in Rio de Janeiro averages a daytime high of 30.9°C and an overnight low of 22.5°C.
January runs +3.0°C compared to Rio de Janeiro's annual average high of 27.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 30.9°C and cooler evenings around 22.5°C.