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December Weather in Tertenia, Italy

Last updated: August 23, 2025

In December, the average temperature in Tertenia, Italy hovers around 9°C (49°F). Temperatures can dip as low as 0°C (32°F) and rise to a pleasant 19°C (66°F). Expect about 49 mm (1.9 in) of precipitation over 7 days, accompanied by an average humidity level of 74%. Stay prepared for a mix of mild weather and occasional rain!

December Temperature in Tertenia

In December in Tertenia, the average temperature is 9°C (49°F). Maximums can reach 19°C (66°F), while minimums can drop as low as 0°C (32°F). This makes it a great time for travelers to experience the crisp air and explore outdoor activities.

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

The chart illustrates December temperature patterns in Tertenia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tertenia, December typically has an average temperature of 9°C (49°F), with highs reaching up to 19°C (66°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464850546271787870625448
Data source: Temperature data for Tertenia 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 Tertenia

In Tertenia in December, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

December Precipitation Trends in Tertenia

The chart displays monthly precipitation patterns in Tertenia, 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 Tertenia, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec513357767346941626211049
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tertenia

In Tertenia in December humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.

December Average Humidity in Tertenia

This chart illustrates the average monthly humidity levels in Tertenia, 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 Tertenia is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%73%77%78%77%77%74%75%76%75%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tertenia

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

Maximum UV Index Levels in Tertenia for December

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

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

This table compares monthly weather conditions in Tertenia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)51 mm (2.0 inches)76%moderate
February Weather9°C (48°F)33 mm (1.3 inches)73%moderate
March Weather10°C (50°F)57 mm (2.2 inches)73%high
April Weather12°C (55°F)76 mm (3.0 inches)77%very high
May Weather17°C (62°F)73 mm (2.9 inches)78%very high
June Weather22°C (71°F)46 mm (1.8 inches)77%very high
July Weather25°C (78°F)9 mm (0.4 inches)77%very high
August Weather25°C (78°F)41 mm (1.6 inches)74%very high
September Weather21°C (70°F)62 mm (2.4 inches)75%very high
October Weather16°C (62°F)62 mm (2.4 inches)76%high
November Weather12°C (54°F)110 mm (4.3 inches)75%moderate
December Weather9°C (49°F)49 mm (1.9 inches)74%low

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