In August, Porto Velho typically sees daytime highs of 33.3°C and overnight lows around 20.8°C. Compared to the annual average high of 31.2°C, August runs +2.1°C.
August in Porto Velho averages a daytime high of 33.3°C and an overnight low of 20.8°C.
August runs +2.1°C compared to Porto Velho's annual average high of 31.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 33.3°C and cooler evenings around 20.8°C.