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December Weather in San Castrese, Italy

Last updated: August 23, 2025

In December, the average temperature in San Castrese, Italy hovers around 11°C (52°F), with minimums dipping to 4°C (39°F) and maximums reaching up to 17°C (62°F). Expect a precipitation of 218 mm (8.6 in) spread across 14 days, contributing to an average humidity level of 84%.

December Temperature in San Castrese

In December in San Castrese, the average temperature is 11°C (52°F). The maximum can reach 17°C (62°F) and the minimum can be as low as 4°C (39°F). This mild climate makes San Castrese an excellent destination for those looking to explore comfortably.

December Weather in San Castrese: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Castrese, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Castrese, December typically has an average temperature of 11°C (52°F), with highs reaching up to 17°C (62°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec485052566371767872645852
Data source: Temperature data for San Castrese 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 San Castrese

In San Castrese in December, the total precipitation amount is 218 mm (8.6 in) over the course of 14 days.

December Precipitation Trends in San Castrese

The chart displays monthly precipitation patterns in San Castrese, 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 San Castrese, December typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec991281006869371817104121317218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Castrese

In San Castrese in December, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

December Average Humidity in San Castrese

This chart illustrates the average monthly humidity levels in San Castrese, 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 San Castrese 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 San Castrese

In San Castrese 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 San Castrese, you can visit Hourly UV Index in San Castrese.

Maximum UV Index Levels in San Castrese for December

The chart shows the monthly maximum UV Index (UVI) for San Castrese 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 San Castrese typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097642
Data source: San Castrese 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 San Castrese Compares to Other Months

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

This table compares monthly weather conditions in San Castrese, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)99 mm (3.9 inches)84%moderate
February Weather10°C (51°F)128 mm (5.0 inches)76%moderate
March Weather11°C (52°F)100 mm (3.9 inches)69%moderate
April Weather14°C (57°F)68 mm (2.7 inches)70%high
May Weather17°C (63°F)69 mm (2.7 inches)70%very high
June Weather22°C (71°F)37 mm (1.5 inches)61%very high
July Weather24°C (76°F)18 mm (0.7 inches)57%very high
August Weather25°C (78°F)17 mm (0.7 inches)53%very high
September Weather22°C (72°F)104 mm (4.1 inches)65%high
October Weather18°C (64°F)121 mm (4.8 inches)75%high
November Weather14°C (58°F)317 mm (12.5 inches)81%moderate
December Weather11°C (52°F)218 mm (8.6 inches)84%low

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