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December Weather in Colle Diana, Italy

Last updated: August 23, 2025

In December, the average temperature in Colle Diana, Italy is a cool 8°C (46°F), with a range that dips to a brisk -4°C (26°F) and can rise to a comfortable 17°C (63°F). Expect a fair amount of rain, with 152 mm (6.0 in) of precipitation spread over approximately 13 days. The air feels quite damp, boasting an average humidity of 83%.

December Temperature in Colle Diana

In December in Colle Diana, the average temperature is 8°C (46°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

December Weather in Colle Diana: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Colle Diana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colle Diana, 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 -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec434749556372777869605346
Data source: Temperature data for Colle Diana 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 Colle Diana

In Colle Diana in December, the precipitation amount is 152 mm (6.0 in) occurring over 13 days.

December Precipitation Trends in Colle Diana

The chart displays monthly precipitation patterns in Colle Diana, 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 Colle Diana, December typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7793101101110574341147132195152
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Colle Diana

In Colle Diana in December, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

December Average Humidity in Colle Diana

This chart illustrates the average monthly humidity levels in Colle Diana, 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 Colle Diana is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Colle Diana

In Colle Diana 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 Colle Diana, you can visit Hourly UV Index in Colle Diana.

Maximum UV Index Levels in Colle Diana for December

The chart shows the monthly maximum UV Index (UVI) for Colle Diana 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 Colle Diana typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34578101097542
Data source: Colle Diana 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 Colle Diana Compares to Other Months

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

This table compares monthly weather conditions in Colle Diana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)77 mm (3.0 inches)84%moderate
February Weather8°C (47°F)93 mm (3.6 inches)76%moderate
March Weather10°C (49°F)101 mm (4.0 inches)68%moderate
April Weather13°C (55°F)101 mm (4.0 inches)70%high
May Weather17°C (63°F)110 mm (4.3 inches)69%very high
June Weather22°C (72°F)57 mm (2.2 inches)62%very high
July Weather25°C (77°F)43 mm (1.7 inches)57%very high
August Weather25°C (78°F)41 mm (1.6 inches)55%very high
September Weather20°C (69°F)147 mm (5.8 inches)66%high
October Weather16°C (61°F)132 mm (5.2 inches)79%moderate
November Weather12°C (53°F)195 mm (7.7 inches)84%moderate
December Weather8°C (46°F)152 mm (6.0 inches)83%low

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