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December Weather in Troistorrents, Switzerland

Last updated: August 27, 2025

In Troistorrents, Switzerland, the average temperature in December hovers around -4°C (24°F). Expect chilly conditions with a minimum dip to -25°C (-13°F) and a maximum reaching 9°C (48°F). With 228 mm (9.0 in) of precipitation spread over 18 days, don’t forget your umbrella! The average humidity is a brisk 91%, making this month feel even colder.

December Temperature in Troistorrents

In December in Troistorrents, the average temperature is -4°C (24°F). Maximum temperatures can reach up to 9°C (48°F), while the minimum can drop as low as -25°C (-13°F). Travelers should be prepared for cold weather and pack accordingly to ensure a comfortable experience.

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

The chart illustrates December temperature patterns in Troistorrents, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Troistorrents, December typically has an average temperature of -4°C (24°F), with highs reaching up to 9°C (48°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec212833414756595851443324
Data source: Temperature data for Troistorrents 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 Troistorrents

In Troistorrents in December, the precipitation amount is 228 mm (9.0 in) over a period of 18 days.

December Precipitation Trends in Troistorrents

The chart displays monthly precipitation patterns in Troistorrents, 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 Troistorrents, December typically receives around 228 mm (9.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec13811514290211211207189120127105228
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Troistorrents

In Troistorrents in December humidity is 91%. With an average temperature of -4°C (24°F), this humidity feels like an icy grip that seeps into your bones, making travel uncomfortable and challenging as the cold air, mixed with high moisture, creates a biting chill that discourages outdoor exploration.

December Average Humidity in Troistorrents

This chart illustrates the average monthly humidity levels in Troistorrents, 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 Troistorrents is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Troistorrents

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

Maximum UV Index Levels in Troistorrents for December

The chart shows the monthly maximum UV Index (UVI) for Troistorrents 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 Troistorrents typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Troistorrents 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 Troistorrents Compares to Other Months

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

This table compares monthly weather conditions in Troistorrents, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)138 mm (5.4 inches)91%low
February Weather-2°C (29°F)115 mm (4.5 inches)89%moderate
March Weather1°C (34°F)142 mm (5.6 inches)87%high
April Weather5°C (41°F)90 mm (3.5 inches)84%high
May Weather8°C (47°F)211 mm (8.3 inches)80%very high
June Weather13°C (56°F)211 mm (8.3 inches)82%very high
July Weather15°C (59°F)206 mm (8.1 inches)82%very high
August Weather14°C (58°F)189 mm (7.4 inches)77%very high
September Weather11°C (52°F)120 mm (4.7 inches)81%high
October Weather7°C (44°F)127 mm (5.0 inches)89%moderate
November Weather1°C (33°F)105 mm (4.1 inches)89%moderate
December Weather-4°C (24°F)228 mm (9.0 inches)91%low

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