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 is the beginning of the cold and wet winter in Rome. The average temperature is in the range of a chilly 4.4°C (39.9°F) to 12.8°C (55°F), and prevailing cold winds accelerate the frosty conditions at night.
The sunlight lasts for 111 hours in December, which is the lowest amount of the year. The temperatures often drop below the freezing 0°C (32°F) mark during the night, and the days tend to be cloudy.
Of course, the winter cannot dampen the Christmas spirit, and warm winter clothes are sufficient to take care of the cold conditions.

What is the temperature in December in Rome?

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

How many days does it rain in December in Rome?

In Rome, Italy, during December, the rain falls for 8 days and regularly aggregates up to 81mm (3.2") of precipitation.

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

The month with the lowest UV index is December, with an average UV index of 1.

What is the average UV index in December in Rome?

The average UV index in December in Rome is 1.
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 lowest 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 lowest number of 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 shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 3.6h

The month with most sunshine is July (Average sunshine: 10.7h).
The month with 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).

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