In August, Onitsha typically sees daytime highs of 28.6°C and overnight lows around 22.2°C. Compared to the annual average high of 31.5°C, August runs -2.9°C.
August in Onitsha averages a daytime high of 28.6°C and an overnight low of 22.2°C.
August runs -2.9°C compared to Onitsha's annual average high of 31.5°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 28.6°C and cooler evenings around 22.2°C.