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December Weather in Mesocco, Switzerland

Last updated: August 27, 2025

In Mesocco, Switzerland, the average temperature in December hovers around -7°C (20°F). Expect chilly conditions with lows plummeting to -22°C (-8°F) and highs barely reaching 4°C (39°F). With 135 mm (5.3 in) of precipitation spread over 16 days, don’t forget your umbrella! The ambiance is further enriched by an average humidity of 90%, adding to the crisp winter atmosphere.

December Temperature in Mesocco

In December in Mesocco, the average temperature is -7°C (20°F), with a maximum that can reach 4°C (39°F) and a minimum that can be as low as -22°C (-8°F). Travelers should be prepared for cold weather and pack appropriately to ensure a comfortable visit.

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

The chart illustrates December temperature patterns in Mesocco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mesocco, 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 -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec172327344152545447392820
Data source: Temperature data for Mesocco 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 Mesocco

In Mesocco in December, precipitation amounts to 135 mm (5.3 in) over the course of 16 days.

December Precipitation Trends in Mesocco

The chart displays monthly precipitation patterns in Mesocco, 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 Mesocco, December typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec805997117152166141198129176141135
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mesocco

In Mesocco 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 Mesocco

This chart illustrates the average monthly humidity levels in Mesocco, 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 Mesocco 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 Mesocco

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

Maximum UV Index Levels in Mesocco for December

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

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

This table compares monthly weather conditions in Mesocco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)80 mm (3.2 inches)92%low
February Weather-5°C (23°F)59 mm (2.3 inches)89%moderate
March Weather-3°C (27°F)97 mm (3.8 inches)87%high
April Weather1°C (34°F)117 mm (4.6 inches)84%very high
May Weather5°C (42°F)152 mm (6.0 inches)80%very high
June Weather11°C (52°F)166 mm (6.5 inches)82%very high
July Weather12°C (55°F)141 mm (5.6 inches)83%very high
August Weather12°C (54°F)198 mm (7.8 inches)80%very high
September Weather8°C (47°F)129 mm (5.1 inches)83%high
October Weather4°C (39°F)176 mm (6.9 inches)90%moderate
November Weather-2°C (28°F)141 mm (5.6 inches)88%moderate
December Weather-7°C (20°F)135 mm (5.3 inches)90%low

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