In August, Rio Grande typically sees daytime highs of 17.1°C and overnight lows around 10.6°C. Compared to the annual average high of 21.7°C, August runs -4.6°C.
August in Rio Grande averages a daytime high of 17.1°C and an overnight low of 10.6°C.
August runs -4.6°C compared to Rio Grande's annual average high of 21.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 17.1°C and cooler evenings around 10.6°C.