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December Weather in Walenstadt, Switzerland

Last updated: August 27, 2025

In December, the average temperature in Walenstadt, Switzerland hovers around -3°C (26°F), but can swing dramatically with minimums dipping to -22°C (-7°F) and highs reaching up to 8°C (48°F). Additionally, expect about 189 mm (7.4 in) of precipitation spread over 18 days, contributing to an average humidity of 90%. This chilly, wet climate sets a unique backdrop for the month!

December Temperature in Walenstadt

In December in Walenstadt, the average temperature is -3°C (26°F). Maximum temperatures can reach 8°C (48°F), while minimums can drop as low as -22°C (-7°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Walenstadt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walenstadt, December typically has an average temperature of -3°C (26°F), with highs reaching up to 8°C (48°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec242833404656575751443426
Data source: Temperature data for Walenstadt 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 Walenstadt

In Walenstadt in December, the total precipitation amount is 189 mm (7.4 in) spread over a period of 18 days.

December Precipitation Trends in Walenstadt

The chart displays monthly precipitation patterns in Walenstadt, 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 Walenstadt, December typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec159108146125217230280302195165103189
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Walenstadt

In Walenstadt in December, humidity is 90%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor exploration feel arduous and uncomfortable as the cold, damp air grips your skin.

December Average Humidity in Walenstadt

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

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

Maximum UV Index Levels in Walenstadt for December

The chart shows the monthly maximum UV Index (UVI) for Walenstadt 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 Walenstadt typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810986532
Data source: Walenstadt 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 Walenstadt Compares to Other Months

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

This table compares monthly weather conditions in Walenstadt, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)159 mm (6.3 inches)92%low
February Weather-2°C (28°F)108 mm (4.2 inches)89%moderate
March Weather0°C (33°F)146 mm (5.8 inches)87%high
April Weather4°C (40°F)125 mm (4.9 inches)84%high
May Weather8°C (47°F)217 mm (8.5 inches)80%very high
June Weather13°C (56°F)230 mm (9.1 inches)82%very high
July Weather14°C (57°F)280 mm (11.0 inches)83%very high
August Weather14°C (57°F)302 mm (11.9 inches)80%very high
September Weather10°C (51°F)195 mm (7.7 inches)83%high
October Weather6°C (44°F)165 mm (6.5 inches)90%moderate
November Weather1°C (35°F)103 mm (4.1 inches)88%moderate
December Weather-3°C (26°F)189 mm (7.4 inches)90%low

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