In January, Porto Alegre typically sees daytime highs of 29.9°C and overnight lows around 19.8°C. Compared to the annual average high of 24.3°C, January runs +5.6°C.
January in Porto Alegre averages a daytime high of 29.9°C and an overnight low of 19.8°C.
January runs +5.6°C compared to Porto Alegre's annual average high of 24.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 29.9°C and cooler evenings around 19.8°C.