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December Weather in Marcelli, Italy

Last updated: August 23, 2025

In Marcelli, Italy, the average temperature in December hovers around 11°C (51°F), with a minimum dipping to 4°C (40°F) and a maximum reaching 17°C (64°F). Expect a total precipitation of 75 mm (2.9 in) across 12 days, accompanied by a relatively high average humidity of 86%. Be prepared for a mix of cool and damp conditions!

December Temperature in Marcelli

In December in Marcelli, the average temperature is 11°C (51°F). Maximum temperatures can reach 17°C (64°F), while minimums can drop as low as 4°C (40°F). This mild climate makes Marcelli an ideal destination for travelers seeking comfortable outdoor activities.

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

The chart illustrates December temperature patterns in Marcelli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marcelli, December typically has an average temperature of 11°C (51°F), with highs reaching up to 17°C (64°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec485051576474787972645851
Data source: Temperature data for Marcelli 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 Marcelli

In Marcelli in December, the total precipitation amount is 75 mm (2.9 in) over the course of 12 days.

December Precipitation Trends in Marcelli

The chart displays monthly precipitation patterns in Marcelli, 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 Marcelli, December typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec465750406419351977449575
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marcelli

In Marcelli in December humidity is 86%. With an average temperature of 11°C (51°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities less enjoyable and travel a bit more strenuous as the air feels heavy and clammy.

December Average Humidity in Marcelli

This chart illustrates the average monthly humidity levels in Marcelli, 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 Marcelli is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marcelli

In Marcelli in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Marcelli, you can visit Hourly UV Index in Marcelli.

Maximum UV Index Levels in Marcelli for December

The chart shows the monthly maximum UV Index (UVI) for Marcelli 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 Marcelli typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789987532
Data source: Marcelli 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 Marcelli Compares to Other Months

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

This table compares monthly weather conditions in Marcelli, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)46 mm (1.8 inches)85%low
February Weather10°C (50°F)57 mm (2.2 inches)78%moderate
March Weather11°C (52°F)50 mm (2.0 inches)69%high
April Weather14°C (57°F)39 mm (1.6 inches)71%high
May Weather18°C (65°F)64 mm (2.5 inches)71%very high
June Weather23°C (74°F)19 mm (0.7 inches)63%very high
July Weather26°C (78°F)35 mm (1.4 inches)59%very high
August Weather26°C (80°F)19 mm (0.7 inches)54%very high
September Weather22°C (72°F)77 mm (3.0 inches)67%high
October Weather18°C (64°F)44 mm (1.7 inches)78%moderate
November Weather14°C (58°F)95 mm (3.7 inches)84%moderate
December Weather11°C (51°F)75 mm (2.9 inches)86%low

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