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December Weather in San Cassiano, Italy

Last updated: August 23, 2025

In San Cassiano, Italy, the average temperature in December is a comfortable 13°C (55°F). Expect a daily range where temperatures can dip to a minimum of 6°C (43°F) and rise to a maximum of 18°C (66°F). With an average humidity of 75% and 58 mm (2.3 in) of precipitation spread over 9 days, be prepared for a mix of cooler days and occasional rain.

December Temperature in San Cassiano

In December in San Cassiano, the average temperature is 13°C (55°F). Maximums can reach 18°C (66°F), while minimums can drop to as low as 6°C (43°F). This mild climate makes it a great time for sightseeing and outdoor adventures.

December Weather in San Cassiano: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Cassiano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cassiano, December typically has an average temperature of 13°C (55°F), with highs reaching up to 18°C (66°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec515355596674808175676255
Data source: Temperature data for San Cassiano 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 San Cassiano

In San Cassiano in December, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

December Precipitation Trends in San Cassiano

The chart displays monthly precipitation patterns in San Cassiano, 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 San Cassiano, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5869524436291617428717558
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Cassiano

In San Cassiano in December humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

December Average Humidity in San Cassiano

This chart illustrates the average monthly humidity levels in San Cassiano, 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 San Cassiano is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%71%72%77%79%77%74%70%70%70%75%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Cassiano

In San Cassiano 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 San Cassiano, you can visit Hourly UV Index in San Cassiano.

Maximum UV Index Levels in San Cassiano for December

The chart shows the monthly maximum UV Index (UVI) for San Cassiano 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 San Cassiano typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: San Cassiano 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 San Cassiano Compares to Other Months

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

This table compares monthly weather conditions in San Cassiano, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)58 mm (2.3 inches)76%moderate
February Weather12°C (54°F)69 mm (2.7 inches)71%moderate
March Weather13°C (55°F)52 mm (2.0 inches)72%high
April Weather15°C (59°F)44 mm (1.7 inches)77%very high
May Weather19°C (66°F)36 mm (1.4 inches)79%very high
June Weather24°C (75°F)29 mm (1.1 inches)77%very high
July Weather27°C (80°F)16 mm (0.6 inches)74%very high
August Weather27°C (82°F)17 mm (0.7 inches)70%very high
September Weather24°C (76°F)42 mm (1.7 inches)70%very high
October Weather20°C (67°F)87 mm (3.4 inches)70%high
November Weather16°C (62°F)175 mm (6.9 inches)75%moderate
December Weather13°C (55°F)58 mm (2.3 inches)75%low

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