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December Weather in Acquarossa, Switzerland

Last updated: August 27, 2025

In December, the average temperature in Acquarossa, Switzerland hovers around -7°C (20°F), with a chilly minimum of -21°C (-6°F) and a mild maximum of 4°C (39°F). Expect 147 mm (5.8 in) of precipitation spread over 16 days, contributing to a notably high average humidity of 90%. Get ready for a brisk and moist climate!

December Temperature in Acquarossa

In December in Acquarossa, the average temperature is -7°C (20°F), with maximums reaching up to 4°C (39°F) and minimums dropping as low as -21°C (-6°F). Be prepared for cold weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Acquarossa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acquarossa, December typically has an average temperature of -7°C (20°F), with highs reaching up to 4°C (39°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec172327344152555447392820
Data source: Temperature data for Acquarossa 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 Acquarossa

In Acquarossa in December, the precipitation amount is 147 mm (5.8 in) spread over 16 days.

December Precipitation Trends in Acquarossa

The chart displays monthly precipitation patterns in Acquarossa, 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 Acquarossa, December typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9366106125164201198260150198154147
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Acquarossa

In Acquarossa in December, humidity is 90%. With an average temperature of -7°C (20°F), this humidity feels like an oppressive chill that seeps into your bones, making travel uncomfortable and your breath visible in the frosty air.

December Average Humidity in Acquarossa

This chart illustrates the average monthly humidity levels in Acquarossa, 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 Acquarossa is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Acquarossa

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

Maximum UV Index Levels in Acquarossa for December

The chart shows the monthly maximum UV Index (UVI) for Acquarossa 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 Acquarossa typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Acquarossa 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 Acquarossa Compares to Other Months

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

This table compares monthly weather conditions in Acquarossa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)93 mm (3.7 inches)92%low
February Weather-5°C (23°F)65 mm (2.6 inches)89%moderate
March Weather-3°C (27°F)106 mm (4.2 inches)87%high
April Weather1°C (34°F)125 mm (4.9 inches)84%very high
May Weather5°C (42°F)164 mm (6.5 inches)80%very high
June Weather11°C (52°F)201 mm (7.9 inches)82%very high
July Weather13°C (55°F)198 mm (7.8 inches)83%very high
August Weather12°C (54°F)260 mm (10.2 inches)80%very high
September Weather8°C (47°F)150 mm (5.9 inches)83%high
October Weather4°C (39°F)198 mm (7.8 inches)90%moderate
November Weather-2°C (28°F)154 mm (6.1 inches)88%moderate
December Weather-7°C (20°F)147 mm (5.8 inches)90%low

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