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December Weather in Castelnuovo Cilento, Italy

Last updated: August 23, 2025

In Castelnuovo Cilento, Italy, the average temperature in December is a cool 9°C (48°F), with extremes ranging from a chilly 0°C (32°F) to a mild 17°C (63°F). Rainfall is notable, with an average precipitation of 222 mm (8.8 in) over 15 days. Additionally, the atmosphere is refreshingly damp, boasting an average humidity of 82%.

December Temperature in Castelnuovo Cilento

In December in Castelnuovo Cilento, the average temperature is 9°C (48°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop to as low as 0°C (32°F). Make sure to pack layers to stay comfortable while exploring the diverse weather conditions.

December Weather in Castelnuovo Cilento: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castelnuovo Cilento, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnuovo Cilento, December typically has an average temperature of 9°C (48°F), with highs reaching up to 17°C (63°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec444749556170757669615548
Data source: Temperature data for Castelnuovo Cilento 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 Castelnuovo Cilento

In Castelnuovo Cilento in December, the precipitation amount is 222 mm (8.8 in) recorded over a span of 15 days.

December Precipitation Trends in Castelnuovo Cilento

The chart displays monthly precipitation patterns in Castelnuovo Cilento, 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 Castelnuovo Cilento, December typically receives around 222 mm (8.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec12212812079793223359696239222
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castelnuovo Cilento

In Castelnuovo Cilento in December, humidity is 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

December Average Humidity in Castelnuovo Cilento

This chart illustrates the average monthly humidity levels in Castelnuovo Cilento, 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 Castelnuovo Cilento 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 Castelnuovo Cilento

In Castelnuovo Cilento 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 Castelnuovo Cilento, you can visit Hourly UV Index in Castelnuovo Cilento.

Maximum UV Index Levels in Castelnuovo Cilento for December

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

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

This table compares monthly weather conditions in Castelnuovo Cilento, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)122 mm (4.8 inches)82%moderate
February Weather8°C (47°F)128 mm (5.1 inches)74%moderate
March Weather9°C (49°F)120 mm (4.7 inches)70%high
April Weather13°C (55°F)79 mm (3.1 inches)71%very high
May Weather16°C (62°F)79 mm (3.1 inches)71%very high
June Weather21°C (70°F)32 mm (1.3 inches)65%very high
July Weather24°C (75°F)23 mm (0.9 inches)61%very high
August Weather24°C (76°F)35 mm (1.4 inches)56%very high
September Weather21°C (69°F)96 mm (3.8 inches)66%very high
October Weather16°C (62°F)96 mm (3.8 inches)74%high
November Weather13°C (55°F)239 mm (9.4 inches)80%moderate
December Weather9°C (48°F)222 mm (8.8 inches)82%low

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