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December Weather in Castel di Sasso, Italy

Last updated: August 23, 2025

In December, the average temperature in Castel di Sasso, Italy hovers around 8°C (46°F), with a minimum dipping to -3°C (26°F) and a maximum reaching up to 17°C (63°F). The region experiences substantial precipitation, totaling 191 mm (7.5 in) across approximately 13 days, while the average humidity sits at a high 84%.

December Temperature in Castel di Sasso

In December in Castel di Sasso, the average temperature is 8°C (46°F). Maximums can reach 17°C (63°F), while minimums can drop as low as -3°C (26°F). Be prepared for a mix of mild and chilly weather, making it a great time for layers when traveling.

December Weather in Castel di Sasso: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castel di Sasso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel di Sasso, December typically has an average temperature of 8°C (46°F), with highs reaching up to 17°C (63°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec424648546271757769605346
Data source: Temperature data for Castel di Sasso 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 Castel di Sasso

In Castel di Sasso in December, the total precipitation amount is 191 mm (7.5 in) spread over 13 days.

December Precipitation Trends in Castel di Sasso

The chart displays monthly precipitation patterns in Castel di Sasso, 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 Castel di Sasso, December typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec951451229197603124105110261191
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castel di Sasso

In Castel di Sasso in December humidity is 84%. With an average temperature of 8°C (46°F), this humidity feels like a chilly mist wrapping around you, making outdoor exploration cumbersome and layering your clothing a necessity for comfort.

December Average Humidity in Castel di Sasso

This chart illustrates the average monthly humidity levels in Castel di Sasso, 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 Castel di Sasso is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castel di Sasso

In Castel di Sasso 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 Castel di Sasso, you can visit Hourly UV Index in Castel di Sasso.

Maximum UV Index Levels in Castel di Sasso for December

The chart shows the monthly maximum UV Index (UVI) for Castel di Sasso 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 Castel di Sasso typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Castel di Sasso 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 Castel di Sasso Compares to Other Months

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

This table compares monthly weather conditions in Castel di Sasso, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)95 mm (3.7 inches)84%moderate
February Weather8°C (47°F)145 mm (5.7 inches)76%moderate
March Weather9°C (49°F)122 mm (4.8 inches)69%high
April Weather12°C (55°F)91 mm (3.6 inches)70%very high
May Weather16°C (62°F)97 mm (3.8 inches)70%very high
June Weather21°C (71°F)60 mm (2.4 inches)61%very high
July Weather24°C (76°F)31 mm (1.2 inches)57%very high
August Weather25°C (77°F)24 mm (0.9 inches)53%very high
September Weather20°C (69°F)105 mm (4.1 inches)65%very high
October Weather16°C (60°F)110 mm (4.3 inches)75%high
November Weather12°C (53°F)261 mm (10.3 inches)81%moderate
December Weather8°C (46°F)191 mm (7.5 inches)84%low

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