In February, Niihama typically sees daytime highs of 6.7°C and overnight lows around -0.8°C. Compared to the annual average high of 17.0°C, February runs -10.3°C.
February in Niihama averages a daytime high of 6.7°C and an overnight low of -0.8°C.
February runs -10.3°C compared to Niihama's annual average high of 17.0°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 6.7°C and cooler evenings around -0.8°C.