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December Weather in Santo, Italy

Last updated: August 23, 2025

In December, the average temperature in Santo, Italy hovers around 2°C (37°F), with a minimum of -6°C (22°F) and a maximum reaching 12°C (54°F). Expect a total precipitation of 122 mm (4.8 in) spread over about 8 days, contributing to an average humidity of 85%. Prepare for a chilly and wet month! 🌧️

December Temperature in Santo

In December in Santo, the average temperature is 2°C (37°F). Maximum temperatures can reach 12°C (54°F), while minimum temperatures can drop as low as -6°C (22°F). Be prepared for chilly weather and pack warm clothing if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Santo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo, December typically has an average temperature of 2°C (37°F), with highs reaching up to 12°C (54°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec353843515867697062534536
Data source: Temperature data for Santo 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 Santo

In Santo in December, the precipitation amount is 122 mm (4.8 in) spread over 8 days.

December Precipitation Trends in Santo

The chart displays monthly precipitation patterns in Santo, 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 Santo, December typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec416488161219167186169153140189122
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santo

In Santo in December, humidity is 85%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions feel much colder than the thermometer suggests.

December Average Humidity in Santo

This chart illustrates the average monthly humidity levels in Santo, 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 Santo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santo

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

Maximum UV Index Levels in Santo for December

The chart shows the monthly maximum UV Index (UVI) for Santo 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 Santo typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Santo 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 Santo Compares to Other Months

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

This table compares monthly weather conditions in Santo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)41 mm (1.6 inches)87%low
February Weather4°C (39°F)64 mm (2.5 inches)79%moderate
March Weather6°C (44°F)88 mm (3.5 inches)69%moderate
April Weather10°C (51°F)161 mm (6.3 inches)71%high
May Weather14°C (58°F)219 mm (8.6 inches)70%very high
June Weather19°C (67°F)167 mm (6.6 inches)65%very high
July Weather21°C (69°F)186 mm (7.3 inches)61%very high
August Weather21°C (70°F)169 mm (6.7 inches)54%very high
September Weather17°C (62°F)153 mm (6.0 inches)66%high
October Weather12°C (54°F)140 mm (5.5 inches)83%moderate
November Weather7°C (45°F)189 mm (7.4 inches)88%moderate
December Weather2°C (37°F)122 mm (4.8 inches)85%low

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