There is just one region in December in Italy experiencing the dry season and this is Piemonte.

The lowest day temperature in December in Italy can be found in East Alps, where the value of day temperature is 2.6 °C (36.7 °F). In December in Italy - the region with the highest day temperature is Sicily. The value in this region is 15.9 °C (60.6 °F).

In December in Italy - the region with the lowest night temperature is East Alps. The value in this region is -4.6 °C (23.8 °F). In December in Italy - the region with the highest night temperature is Sicily. The value in this region is 9.9 °C (49.9 °F).

The sea temperature in Italy in December is the lowest in Veneto - its value is 12.7 °C (54.8 °F). The highest value of the sea temperature in Italy in December can be seen in Campania with a value of 16.6 °C (61.8 °F).

The lowest value of the number of rainy days in Italy in December can be seen in Piemonte with a value of 5 days. In December in Italy - the region with the highest number of rainy days is Calabria. The value in this region is 13 days.

In December in Italy - the region with the lowest rainfall amount is East Alps. The value in this region is 37 mm (1.44 in). In December in Italy - the region with the highest rainfall amount is Calabria. The value in this region is 122 mm (4.82 in).

The wind speed in December in Italy is the lowest in Piemonte - its value is 0.8. The wind speed in Italy in December is the highest in Sardinia - its value is 4.8.

In December in Italy - the region with the lowest humidity is East Alps. The value in this region is 65 %. The humidity in Italy in December is the highest in Emilia Romagna - its value is 84 %.

The number of sun hours (without clouds) in Italy in December is the lowest in Veneto - its value is 2 hours. The number of sun hours (without clouds) in Italy in December is the highest in Sicily - its value is 4 hours.

The lowest value of the clear sky percentage in December in Italy can be seen in Veneto with a value of 28 %. The highest clear sky percentage in December in Italy can be found in Sicily, where the value of clear sky percentage is 43 %.

The day length in Italy in December is the lowest in East Alps - its value is 8 hours. The highest value of the day length in December in Italy can be seen in Sicily with a value of 9 hours.