In August, Miami Beach typically sees daytime highs of 31.1°C and overnight lows around 24.9°C. Compared to the annual average high of 27.4°C, August runs +3.6°C.
August in Miami Beach averages a daytime high of 31.1°C and an overnight low of 24.9°C.
August runs +3.6°C compared to Miami Beach's annual average high of 27.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 24.9°C.