In August, Piedras Negras typically sees daytime highs of 36.7°C and overnight lows around 23.0°C. Compared to the annual average high of 28.6°C, August runs +8.1°C.
August in Piedras Negras averages a daytime high of 36.7°C and an overnight low of 23.0°C.
August runs +8.1°C compared to Piedras Negras's annual average high of 28.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 36.7°C and cooler evenings around 23.0°C.