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December Weather in Sernio, Italy

Last updated: August 23, 2025

In December, the average temperature in Sernio, Italy hovers around -8°C (18°F). Expect the minimum to plunge to -28°C (-18°F), while the maximum might reach 5°C (41°F). Rain or snow could be a factor with a precipitation amount of 112 mm (4.4 in) spread over 10 days. Don't forget your layers; the average humidity is a brisk 90%!

December Temperature in Sernio

In December in Sernio, the average temperature is -8°C (18°F), with maximums reaching up to 5°C (41°F) and minimums dropping as low as -28°C (-18°F). It's advisable to pack warm clothing and be prepared for chilly conditions while exploring this destination.

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

The chart illustrates December temperature patterns in Sernio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sernio, December typically has an average temperature of -8°C (18°F), with highs reaching up to 5°C (41°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec142127354353555548402918
Data source: Temperature data for Sernio 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 Sernio

In Sernio in December, the total precipitation amount is 112 mm (4.4 in) over the course of 10 days.

December Precipitation Trends in Sernio

The chart displays monthly precipitation patterns in Sernio, 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 Sernio, December typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec455176101148132111130111138143112
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sernio

In Sernio in December, humidity is 90%. With an average temperature of -8°C (18°F), this humidity feels like an icy fog wrapping around you, making every breath sharp and crisp, and requiring careful planning for travel to avoid the chill while navigating the damp air.

December Average Humidity in Sernio

This chart illustrates the average monthly humidity levels in Sernio, 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 Sernio is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sernio

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

Maximum UV Index Levels in Sernio for December

The chart shows the monthly maximum UV Index (UVI) for Sernio 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 Sernio typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec247810111198632
Data source: Sernio 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 Sernio Compares to Other Months

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

This table compares monthly weather conditions in Sernio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)45 mm (1.8 inches)93%low
February Weather-6°C (22°F)51 mm (2.0 inches)89%moderate
March Weather-3°C (28°F)76 mm (3.0 inches)86%high
April Weather2°C (35°F)101 mm (4.0 inches)83%very high
May Weather6°C (44°F)148 mm (5.8 inches)78%very high
June Weather12°C (54°F)132 mm (5.2 inches)79%extreme
July Weather13°C (56°F)111 mm (4.4 inches)82%extreme
August Weather13°C (55°F)130 mm (5.1 inches)80%very high
September Weather9°C (48°F)111 mm (4.4 inches)83%very high
October Weather5°C (41°F)137 mm (5.4 inches)90%high
November Weather-2°C (29°F)143 mm (5.6 inches)89%moderate
December Weather-8°C (18°F)112 mm (4.4 inches)90%low

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