December weather forecast
Rome, Italy

In December, Rome welcomes the winter season, with temperatures dipping and more cloudy days. Comparatively colder nights with 4.2°C (39.6°F) and reduced daylight hours of 9.2, mark a definitive shift into winter. Typical of the season, rainfall remains high, summing up to 81mm (3.19") over roughly 8 days. As the city transitions from autumn, it embraces shorter and chillier days. Ultimately, as the year concludes, January again waits with its bit of winter's chill and moderately wet conditions.

Temperature

As December arrives, Rome's weather displays a minor decrease in high-temperatures, transitioning from November's mild 15.9°C (60.6°F) to a fresh 12.6°C (54.7°F). During December, the temperature tends to dip to an average of 4.2°C (39.6°F) at night.

Rainfall

In Rome, in December, during 8 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, there are 79.4 rainfall days, and 804mm (31.65") of precipitation is accumulated.

Daylight

The month with the shortest days in Rome is December, with an average of 9h and 12min of daylight.
On the first day of December in Rome, sunrise is at 07:18 and sunset at 16:39. On the last day of the month, 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 in Rome.

UV index

December is the month with the lowest UV index in Rome, Italy, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.