In August, Sendai typically sees daytime highs of 28.1°C and overnight lows around 20.8°C. Compared to the annual average high of 15.8°C, August runs +12.3°C.
August in Sendai averages a daytime high of 28.1°C and an overnight low of 20.8°C.
August runs +12.3°C compared to Sendai's annual average high of 15.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 20.8°C.