In January, Onitsha typically sees daytime highs of 33.4°C and overnight lows around 21.6°C. Compared to the annual average high of 31.5°C, January runs +1.9°C.
January in Onitsha averages a daytime high of 33.4°C and an overnight low of 21.6°C.
January runs +1.9°C compared to Onitsha's annual average high of 31.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 33.4°C and cooler evenings around 21.6°C.