December weather forecast
Rome, Italy

December, the first month of the winter in Rome, is still a cool month, with an average temperature fluctuating between 12.6°C (54.7°F) and 4.2°C (39.6°F).

Temperature

In December, the average high-temperature marginally drops from a mild 15.9°C (60.6°F) in November to a cool 12.6°C (54.7°F). In December, in Rome, the average low-temperature is 4.2°C (39.6°F).

Rainfall

In Rome, Italy, during December, the rain falls for 8 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, there are 79.4 rainfall days, and 804mm (31.65") of precipitation is accumulated.

Daylight

With an average of 9h and 11min of daylight, December has the shortest days of the year in Rome.
On the first day of the month, sunrise is at 07:17 and sunset at 16:40. On the last day of December, sunrise is at 07:37 and sunset at 16:48 CET.

Sunshine

With an average of 3.6h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index in Rome, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.