In August, Ansan-si typically sees daytime highs of 28.8°C and overnight lows around 21.8°C. Compared to the annual average high of 15.9°C, August runs +12.9°C.
August in Ansan-si averages a daytime high of 28.8°C and an overnight low of 21.8°C.
August runs +12.9°C compared to Ansan-si's annual average high of 15.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.8°C and cooler evenings around 21.8°C.