In March, Niihama typically sees daytime highs of 10.3°C and overnight lows around 2.0°C. Compared to the annual average high of 17.0°C, March runs -6.7°C.
March in Niihama averages a daytime high of 10.3°C and an overnight low of 2.0°C.
March runs -6.7°C compared to Niihama's annual average high of 17.0°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 10.3°C and cooler evenings around 2.0°C.