Rome
Italy
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Rome, Italy

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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.
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  • The 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).

  • The 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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  • The 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).

  • The 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).

  • The average daylight in December: 9h

Months with the longest days are May, June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The 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).

  • The 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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