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December Weather in Caselle, Italy

Last updated: August 23, 2025

In Caselle, Italy, the average temperature in December hovers around 8°C (46°F). Expect a minimum dip to -2°C (28°F) and a pleasant maximum of 17°C (63°F). Be prepared for 90 mm (3.6 in) of precipitation spread across 10 days, and experience a relatively high average humidity of 86%.

December Temperature in Caselle

In December in Caselle, the average temperature is 8°C (46°F), with a maximum reaching 17°C (63°F) and a minimum dropping as low as -2°C (28°F). Travelers should be prepared for a range of temperatures and dress in layers to ensure comfort throughout the day.

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

The chart illustrates December temperature patterns in Caselle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caselle, December typically has an average temperature of 8°C (46°F), with highs reaching up to 17°C (63°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec424548556372757668605346
Data source: Temperature data for Caselle 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 Caselle

In Caselle in December, the precipitation amount is 90 mm (3.6 in) spread over the course of 10 days.

December Precipitation Trends in Caselle

The chart displays monthly precipitation patterns in Caselle, 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 Caselle, December typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec72658970119557241777513690
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Caselle

In Caselle in December humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

December Average Humidity in Caselle

This chart illustrates the average monthly humidity levels in Caselle, 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 Caselle is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Caselle

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

Maximum UV Index Levels in Caselle for December

The chart shows the monthly maximum UV Index (UVI) for Caselle 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 Caselle typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Caselle 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 Caselle Compares to Other Months

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

This table compares monthly weather conditions in Caselle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)72 mm (2.8 inches)85%low
February Weather7°C (46°F)65 mm (2.6 inches)78%moderate
March Weather9°C (48°F)89 mm (3.5 inches)69%high
April Weather13°C (55°F)70 mm (2.7 inches)71%high
May Weather17°C (63°F)119 mm (4.7 inches)71%very high
June Weather22°C (72°F)55 mm (2.1 inches)63%very high
July Weather24°C (75°F)72 mm (2.8 inches)59%very high
August Weather25°C (77°F)41 mm (1.6 inches)54%very high
September Weather20°C (68°F)77 mm (3.0 inches)67%high
October Weather15°C (60°F)75 mm (3.0 inches)78%moderate
November Weather12°C (54°F)136 mm (5.4 inches)84%moderate
December Weather8°C (46°F)90 mm (3.6 inches)86%low

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