In December, Naples typically sees daytime highs of 14.5°C and overnight lows around 7.2°C. Compared to the annual average high of 20.7°C, December runs -6.2°C.
December in Naples averages a daytime high of 14.5°C and an overnight low of 7.2°C.
December runs -6.2°C compared to Naples's annual average high of 20.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 14.5°C and cooler evenings around 7.2°C.