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December Weather in Castellaneta, Italy

Last updated: August 23, 2025

In Castellaneta, Italy, the average temperature in December hovers around 10°C (50°F), with lows dipping to a brisk 1°C (34°F) and highs reaching a comfortable 17°C (64°F). Expect a total precipitation of about 52 mm (2.0 in) over approximately 10 days, complemented by a relatively high average humidity of 82%. Whether you're soaking in the sights or braving the elements, be prepared for a typical month in this unique locale!

December Temperature in Castellaneta

In December in Castellaneta, the average temperature is 10°C (50°F). The maximum can reach 17°C (64°F) and the minimum can be as low as 1°C (34°F). This mild climate makes Castellaneta a great destination for travelers seeking pleasant weather.

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

The chart illustrates December temperature patterns in Castellaneta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellaneta, December typically has an average temperature of 10°C (50°F), with highs reaching up to 17°C (64°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec454951576575798072635749
Data source: Temperature data for Castellaneta 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 Castellaneta

In Castellaneta in December, the precipitation amount is 52 mm (2.0 in) over the course of 10 days.

December Precipitation Trends in Castellaneta

The chart displays monthly precipitation patterns in Castellaneta, 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 Castellaneta, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5157545862432232455811252
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castellaneta

In Castellaneta in December, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

December Average Humidity in Castellaneta

This chart illustrates the average monthly humidity levels in Castellaneta, 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 Castellaneta 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 Castellaneta

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

Maximum UV Index Levels in Castellaneta for December

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

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

This table compares monthly weather conditions in Castellaneta, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)51 mm (2.0 inches)82%moderate
February Weather9°C (49°F)57 mm (2.3 inches)74%moderate
March Weather10°C (51°F)54 mm (2.1 inches)70%high
April Weather14°C (57°F)58 mm (2.3 inches)71%very high
May Weather18°C (65°F)62 mm (2.4 inches)71%very high
June Weather24°C (75°F)43 mm (1.7 inches)65%very high
July Weather26°C (79°F)22 mm (0.9 inches)61%very high
August Weather27°C (80°F)32 mm (1.2 inches)56%very high
September Weather22°C (72°F)45 mm (1.8 inches)66%very high
October Weather17°C (63°F)58 mm (2.3 inches)74%high
November Weather14°C (57°F)112 mm (4.4 inches)80%moderate
December Weather10°C (50°F)52 mm (2.0 inches)82%low

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