December weather forecast and climate
Rome, Italy

The sun rising beautifully above the Colosseum in Rome, Italy
The sun rising beautifully above the Colosseum in Rome, Italy
December, the first month of the winter, in Rome, is also a fresh month, with average temperature ranging between max 12.6°C (54.7°F) and min 4.2°C (39.6°F).

Temperature

In Rome, 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 Rome, Italy, in December, the average low-temperature is 4.2°C (39.6°F).

Rainfall

In Rome, it is raining for 8 days, with typically 81mm (3.19") of accumulated precipitation. In Rome, during the entire year, the rain falls for 79.4 days and collects up to 804.3mm (31.67") of precipitation.

Daylight

December has the shortest days of the year, with an average of 9.2h of daylight.

Sunshine

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

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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.

What is the temperature in December in Rome?

The average high-temperature, in December, in Rome, is 12.6°C (54.7°F), while the average low-temperature is 4.2°C (39.6°F).

How many days does it rain in December in Rome?

In December, in Rome, the rain falls for 8 days. Throughout December, 81mm (3.19") of precipitation is accumulated.

What is the month with the shortest days in Rome?

With an average of 9.2h of daylight, December has the shortest days of the year in Rome, Italy.

What is the average length of the day in December in Rome?

The average length of the day in December in Rome is 9.2h.

What is the month with the least sunshine in Rome?

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

How long on average sun shines in December in Rome?

In December, the average sunshine in Rome is 3.6h.

What is the month with the lowest UV index in Rome?

December is the month with the lowest UV index in Rome, with an average maximum UV index of 1.

What is the UV index intensity in December in Rome?

In December, the average daily maximum UV index in Rome, Italy, is 1. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Rome, Italy
  • Average high temperature in December: 12.6°C

The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in December: 4.2°C

The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

Average rainfall in December - Rome, Italy
  • Average rainfall in December: 81mm

The wettest month (with the highest rainfall) is November (115.4mm).
The driest month (with the least rainfall) is July (19.2mm).

Average rainfall days in December - Rome, Italy
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is November (9.7 days).
The month with the least rainy days is July (2.1 days).

Average daylight in December / Average sunshine in December - Rome, Italy
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 3.6h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 3.6h).

Average UV index in December - Rome, Italy
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 1).