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December Weather in Castelgrande, Italy

Last updated: August 23, 2025

In Castelgrande, Italy, the average temperature in December hovers around 6°C (43°F). Temperatures can dip as low as -6°C (21°F) and reach a high of 16°C (61°F). Expect 87 mm (3.4 in) of precipitation spread over 12 days, contributing to an average humidity of 82%—perfect for those who love a cool, damp atmosphere!

December Temperature in Castelgrande

In December, in Castelgrande, the average temperature is 6°C (43°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -6°C (21°F). Therefore, travelers should prepare for a mix of chilly and mildly warm weather during their visit.

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

The chart illustrates December temperature patterns in Castelgrande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelgrande, December typically has an average temperature of 6°C (43°F), with highs reaching up to 16°C (61°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec394345515968737466575043
Data source: Temperature data for Castelgrande 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 Castelgrande

In Castelgrande in December, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

December Precipitation Trends in Castelgrande

The chart displays monthly precipitation patterns in Castelgrande, 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 Castelgrande, December typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6675836767412643465611488
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castelgrande

In Castelgrande in December, humidity is 82%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more uncomfortable, as the heavy air can leave you feeling sluggish and fatigued during your travels.

December Average Humidity in Castelgrande

This chart illustrates the average monthly humidity levels in Castelgrande, 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 Castelgrande is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%74%70%71%71%65%61%56%66%74%80%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castelgrande

In Castelgrande 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 Castelgrande, you can visit Hourly UV Index in Castelgrande.

Maximum UV Index Levels in Castelgrande for December

The chart shows the monthly maximum UV Index (UVI) for Castelgrande 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 Castelgrande typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108642
Data source: Castelgrande 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 Castelgrande Compares to Other Months

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

This table compares monthly weather conditions in Castelgrande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)66 mm (2.6 inches)82%moderate
February Weather6°C (43°F)74 mm (2.9 inches)74%moderate
March Weather7°C (45°F)83 mm (3.3 inches)70%high
April Weather11°C (52°F)67 mm (2.6 inches)71%very high
May Weather15°C (59°F)67 mm (2.6 inches)71%very high
June Weather20°C (68°F)41 mm (1.6 inches)65%very high
July Weather23°C (74°F)26 mm (1.0 inches)61%very high
August Weather24°C (75°F)42 mm (1.7 inches)56%very high
September Weather19°C (66°F)46 mm (1.8 inches)66%very high
October Weather14°C (57°F)56 mm (2.2 inches)74%high
November Weather10°C (51°F)114 mm (4.5 inches)80%moderate
December Weather6°C (43°F)87 mm (3.4 inches)82%low

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