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December Weather in Lostallo, Switzerland

Last updated: August 27, 2025

In December, the average temperature in Lostallo, Switzerland hovers around -1°C (30°F), creating a brisk atmosphere. Expect minimum temperatures to drop as low as -14°C (6°F), while highs can reach up to 9°C (48°F). With an average precipitation of 108 mm (4.2 in) spread over 10 days, and a high humidity level of 90%, it's wise to prepare for a damp chill.

December Temperature in Lostallo

In December in Lostallo, the average temperature is -1°C (30°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -14°C (6°F). Travelers should be prepared for cold conditions and dress warmly when visiting during this time.

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

The chart illustrates December temperature patterns in Lostallo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lostallo, December typically has an average temperature of -1°C (30°F), with highs reaching up to 9°C (48°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec283337445160636255473730
Data source: Temperature data for Lostallo 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 Lostallo

In Lostallo in December, the precipitation amount is 108 mm (4.2 in) distributed over a duration of 10 days.

December Precipitation Trends in Lostallo

The chart displays monthly precipitation patterns in Lostallo, 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 Lostallo, December typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec52508511415113192135113166139108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lostallo

In Lostallo in December, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.

December Average Humidity in Lostallo

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

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

Maximum UV Index Levels in Lostallo for December

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

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

This table compares monthly weather conditions in Lostallo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)52 mm (2.0 inches)92%low
February Weather0°C (33°F)50 mm (2.0 inches)89%moderate
March Weather3°C (37°F)85 mm (3.3 inches)87%high
April Weather7°C (44°F)114 mm (4.5 inches)84%very high
May Weather10°C (51°F)151 mm (6.0 inches)80%very high
June Weather15°C (60°F)131 mm (5.2 inches)82%very high
July Weather17°C (63°F)92 mm (3.6 inches)83%very high
August Weather17°C (62°F)135 mm (5.3 inches)80%very high
September Weather13°C (55°F)113 mm (4.4 inches)83%high
October Weather8°C (47°F)166 mm (6.5 inches)90%moderate
November Weather3°C (38°F)139 mm (5.5 inches)88%moderate
December Weather-1°C (30°F)108 mm (4.2 inches)90%low

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