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December Weather in Italy, United States

Last updated: June 24, 2025

In Italy, United States, the average temperature in December hovers around 11°C (53°F). This month can bring a wide range of weather, with minimum temperatures dipping to -5°C (24°F) and peaking at 29°C (84°F). Expect 64 mm (2.5 in) of precipitation spread over about 7 days, accompanied by high humidity levels at 87%. Be prepared for a mix of chilly and warm days!

December Temperature in Italy

In December in Italy, the average temperature is 11°C (53°F). Maximums can reach 29°C (84°F), while minimums can drop as low as -5°C (24°F). Be prepared for a wide range of temperatures during your travels.

December Weather in Italy: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Italy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Italy, December typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061667581858579685752
Data source: Temperature data for Italy generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Italy

In Italy in December, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 days.

December Precipitation Trends in Italy

The chart displays monthly precipitation patterns in Italy, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Italy, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec619790121180876599791395064
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Italy

In Italy in December, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.

December Average Humidity in Italy

This chart illustrates the average monthly humidity levels in Italy, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Italy is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Italy

In Italy in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Italy for better planning.

Maximum UV Index Levels in Italy for December

The chart shows the monthly maximum UV Index (UVI) for Italy in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Italy typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Italy December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Italy Compares to Other Months

Weather in Italy varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Italy, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Italy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)61 mm (2.4 inches)80%moderate
February Weather10°C (50°F)97 mm (3.8 inches)79%high
March Weather16°C (61°F)90 mm (3.5 inches)78%very high
April Weather19°C (66°F)121 mm (4.8 inches)78%very high
May Weather24°C (75°F)180 mm (7.1 inches)81%extreme
June Weather27°C (82°F)87 mm (3.4 inches)78%extreme
July Weather29°C (85°F)65 mm (2.6 inches)73%extreme
August Weather29°C (85°F)99 mm (3.9 inches)66%extreme
September Weather26°C (80°F)79 mm (3.1 inches)65%very high
October Weather20°C (69°F)139 mm (5.5 inches)72%very high
November Weather14°C (58°F)50 mm (2.0 inches)82%high
December Weather11°C (53°F)64 mm (2.5 inches)87%moderate

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