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December Weather in Castellana, Italy

Last updated: August 23, 2025

In December, the average temperature in Castellana, Italy is a mild 12°C (53°F). Expect a minimum of 6°C (43°F) and a comfortable maximum of 18°C (64°F). With an average humidity of 82%, you might feel a touch of dampness in the air. Additionally, plan for some rain, as 58 mm (2.3 in) of precipitation can be expected over 10 days.

December Temperature in Castellana

In December in Castellana, the average temperature is 12°C (53°F). Maximums can reach 18°C (64°F), while minimums can drop as low as 6°C (43°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the outdoors in Castellana.

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

The chart illustrates December temperature patterns in Castellana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellana, December typically has an average temperature of 12°C (53°F), with highs reaching up to 18°C (64°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec495253586574788073656053
Data source: Temperature data for Castellana 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 Castellana

In Castellana in December, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

December Precipitation Trends in Castellana

The chart displays monthly precipitation patterns in Castellana, 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 Castellana, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec625351444621152140569958
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castellana

In Castellana in December, humidity is 82%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky, as you navigate through the thick air that weighs heavily on your skin.

December Average Humidity in Castellana

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

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

Maximum UV Index Levels in Castellana for December

The chart shows the monthly maximum UV Index (UVI) for Castellana 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 Castellana typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346799997632
Data source: Castellana 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 Castellana Compares to Other Months

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

This table compares monthly weather conditions in Castellana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)62 mm (2.4 inches)82%moderate
February Weather11°C (52°F)53 mm (2.1 inches)74%moderate
March Weather12°C (53°F)51 mm (2.0 inches)70%high
April Weather14°C (58°F)44 mm (1.7 inches)71%high
May Weather18°C (65°F)46 mm (1.8 inches)71%very high
June Weather23°C (74°F)21 mm (0.8 inches)65%very high
July Weather26°C (79°F)14 mm (0.6 inches)61%very high
August Weather27°C (80°F)21 mm (0.8 inches)56%very high
September Weather23°C (74°F)40 mm (1.6 inches)66%high
October Weather19°C (66°F)56 mm (2.2 inches)74%high
November Weather15°C (60°F)99 mm (3.9 inches)80%moderate
December Weather12°C (53°F)58 mm (2.3 inches)82%low

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