In January, Naples typically sees daytime highs of 13.1°C and overnight lows around 5.7°C. Compared to the annual average high of 20.7°C, January runs -7.6°C.
January in Naples averages a daytime high of 13.1°C and an overnight low of 5.7°C.
January runs -7.6°C compared to Naples's annual average high of 20.7°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 13.1°C and cooler evenings around 5.7°C.