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December Weather in Salvan, Switzerland

Last updated: August 27, 2025

In December, the average temperature in Salvan, Switzerland hovers around -7°C (20°F), while temperatures can dip as low as -22°C (-7°F) and rise to a maximum of 5°C (42°F). With an average precipitation of 235 mm (9.3 in) over approximately 18 days, the region also experiences a high average humidity of 90%, creating a chill that permeates the chilly winter atmosphere.

December Temperature in Salvan

In December in Salvan, the average temperature is -7°C (20°F). Maximums can reach 5°C (42°F) and minimums can be as low as -22°C (-7°F). Be prepared for cold conditions if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Salvan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salvan, December typically has an average temperature of -7°C (20°F), with highs reaching up to 5°C (42°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec162327344252555448392820
Data source: Temperature data for Salvan 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 Salvan

In Salvan in December, the precipitation amount is 235 mm (9.3 in) spread over 18 days.

December Precipitation Trends in Salvan

The chart displays monthly precipitation patterns in Salvan, 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 Salvan, December typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1461121397517813814713791122105235
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Salvan

In Salvan 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 Salvan

This chart illustrates the average monthly humidity levels in Salvan, 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 Salvan is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Salvan

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

Maximum UV Index Levels in Salvan for December

The chart shows the monthly maximum UV Index (UVI) for Salvan 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 Salvan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101097532
Data source: Salvan 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 Salvan Compares to Other Months

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

This table compares monthly weather conditions in Salvan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)146 mm (5.8 inches)91%moderate
February Weather-5°C (23°F)112 mm (4.4 inches)87%moderate
March Weather-3°C (28°F)139 mm (5.5 inches)84%high
April Weather1°C (35°F)75 mm (2.9 inches)83%very high
May Weather5°C (42°F)178 mm (7.0 inches)78%very high
June Weather11°C (52°F)138 mm (5.4 inches)75%very high
July Weather13°C (55°F)147 mm (5.8 inches)72%very high
August Weather12°C (55°F)137 mm (5.4 inches)63%very high
September Weather9°C (48°F)91 mm (3.6 inches)73%high
October Weather4°C (40°F)122 mm (4.8 inches)89%moderate
November Weather-2°C (28°F)105 mm (4.1 inches)90%moderate
December Weather-7°C (20°F)235 mm (9.3 inches)90%low

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