December weather forecast and climate
Rome, Italy

The sun rising above the Colosseum in Rome Italy
The sun rising above the Colosseum in Rome Italy

Weather in December

The first month of the winter, December, is still a cool month in Rome, Italy, with average temperature varying 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 moderate 15.9°C (60.6°F) in November, to a fresh 12.6°C (54.7°F). In Rome, Italy,, the average low-temperature is 4.2°C (39.6°F).

Rainfall

In Rome, during 8 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, there are 79.4 rainfall days, and 804.3mm (31.67") of precipitation is accumulated.

Daylight

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

Sunshine

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

UV index

The month with the lowest UV index in Rome is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 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.
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FAQ

How much does it rain in Rome in December?

In December, in Rome, Italy, 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.

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

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

What is the month with the least sunshine in Rome?

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

How many hours of sunshine does Rome have in December?

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

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

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

How high is the UV index in December in Rome?

In Rome, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Rome, Italy

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).

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Average rainfall in December
Rome, Italy

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).

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Average rainfall days in December
Rome, Italy

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).

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Average daylight in December /
Average sunshine in December
Rome, Italy

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).

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Average UV index in December
Rome, Italy

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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