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December Weather in Lucerne, United States

Last updated: June 24, 2025

In December, the average temperature in Lucerne, United States hovers around 10°C (50°F). Expect a minimum of -1°C (30°F) and a maximum reaching 25°C (77°F). Throughout the month, you'll encounter 51 mm (2.0 in) of precipitation spread over approximately 6 days, all while the average humidity remains comfortably high at 79%.

December Temperature in Lucerne

In December in Lucerne, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -1°C (30°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from cozy strolls to invigorating hikes.

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

The chart illustrates December temperature patterns in Lucerne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lucerne, December typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec515458667383898780685850
Data source: Temperature data for Lucerne 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 Lucerne

In Lucerne in December, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

December Precipitation Trends in Lucerne

The chart displays monthly precipitation patterns in Lucerne, 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 Lucerne, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec64547530201001112951
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lucerne

In Lucerne in December humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

December Average Humidity in Lucerne

This chart illustrates the average monthly humidity levels in Lucerne, 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 Lucerne is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%85%80%72%58%49%36%30%42%59%78%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lucerne

In Lucerne in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Lucerne, you can check the information here.

Maximum UV Index Levels in Lucerne for December

The chart shows the monthly maximum UV Index (UVI) for Lucerne 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 Lucerne typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101111109743
Data source: Lucerne 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 Lucerne Compares to Other Months

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

This table compares monthly weather conditions in Lucerne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)64 mm (2.5 inches)82%moderate
February Weather12°C (54°F)54 mm (2.1 inches)85%moderate
March Weather15°C (58°F)75 mm (2.9 inches)80%very high
April Weather19°C (66°F)30 mm (1.2 inches)72%very high
May Weather23°C (74°F)20 mm (0.8 inches)58%very high
June Weather28°C (83°F)1 mm (0.0 inches)49%extreme
July Weather32°C (89°F)0 mm (0.0 inches)36%extreme
August Weather31°C (87°F)0 mm (0.0 inches)30%very high
September Weather27°C (81°F)1 mm (0.0 inches)42%very high
October Weather20°C (69°F)11 mm (0.4 inches)59%high
November Weather14°C (58°F)29 mm (1.1 inches)78%moderate
December Weather10°C (50°F)51 mm (2.0 inches)79%moderate

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