In December, Lucca typically sees daytime highs of 9.7°C and overnight lows around 1.6°C. Compared to the annual average high of 18.0°C, December runs -8.2°C.
December in Lucca averages a daytime high of 9.7°C and an overnight low of 1.6°C.
December runs -8.2°C compared to Lucca's annual average high of 18.0°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 9.7°C and cooler evenings around 1.6°C.