December Weather in Lenk, Switzerland

Last updated: August 27, 2025

December in Lenk, Switzerland brings a captivating winter atmosphere characterized by a maximum temperature of 7°C (44°F) and a chilling average of -6°C (22°F). With temperatures dipping as low as -26°C (-15°F), visitors can expect a true alpine experience. The month also sees significant precipitation, accumulating to 248 mm (9.8 in) over 18 days, creating a picturesque snowy landscape ideal for winter sports enthusiasts. Coupled with high humidity levels of 91%, the air feels crisp and invigorating, perfect for those seeking both adventure and serene beauty in the heart of the Swiss Alps.

December Temperature in Lenk

In December, Lenk, Switzerland embraces the full chill of winter, with temperatures dipping to a minimum of -26°C (-15°F) and averaging around -6°C (22°F). As the year draws to a close, the daytime highs reach a mild 7°C (44°F)—a stark contrast to the frigid nights. This month marks a distinct shift from the milder autumn, as temperatures continue to plunge, showcasing the region's wintry character. The cold, crisp air invites visitors to explore the snow-capped landscapes and partake in cozy mountain activities, embodying the essence of the Swiss Alps in winter.

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

The chart illustrates December temperature patterns in Lenk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lenk, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec192630374454565549413022
Data source: Temperature data for Lenk generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Lenk

In December, Lenk, Switzerland, experiences its wettest month of the year, with precipitation levels reaching a significant 248 mm (9.8 in) over 18 days. This spike in rainfall marks a notable increase compared to the preceding months, highlighting the transition into the winter season. Not only does December see a rise in total precipitation, but it also surpasses the total amounts recorded in the summer months, such as July and August, which typically average around 224 mm (8.8 in) and 196 mm (7.7 in), respectively. As the year closes, the consistent precipitation contributes to the region's lush landscapes, setting the stage for the snow that transforms Lenk into a winter wonderland.

December Precipitation Trends in Lenk

The chart displays monthly precipitation patterns in Lenk, 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 Lenk, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17413216199223184224196131151107248
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lenk

In Lenk, Switzerland, December ushers in a notable increase in humidity, reaching 91%, which mirrors January's levels. This winter month, characterized by crisp air and the allure of snow-capped landscapes, marks a shift from the drier conditions experienced in late summer and early autumn. Throughout the year, humidity tends to fluctuate, with June and July hovering around 82%, followed by a dip in August to 77%. Post-summer, moisture levels rise again, with consistent figures between 89% in October and November, leading seamlessly into December’s high. This trend suggests a rhythm in Lenk's climate, where winter months bring back the significant humidity reminiscent of the year's beginning, enhancing the region's enchanting winter atmosphere.

December Average Humidity in Lenk

This chart illustrates the average monthly humidity levels in Lenk, 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 Lenk is approximately {2}%, 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 Lenk

As December settles over Lenk, Switzerland, the UV Index drops to a low level of 2, allowing for safer outdoor activities with a burn time of 45 minutes. This trend reflects a notable decrease in UV exposure as the year progresses, particularly after the extreme levels seen in the summer months of June and July, where the index peaked at 11. As winter advances, the lower UV Index encourages a more leisurely approach to outdoor excursions, in stark contrast to the very high and high levels observed from March to October. With these seasonal fluctuations, it's essential to stay informed about UV levels throughout the year. For more detailed insights, you can check Lenk UV Index.

Maximum UV Index Levels in Lenk for December

The chart shows the monthly maximum UV Index (UVI) for Lenk 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 Lenk typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Lenk 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.

December Sunshine in Lenk

In Lenk, Switzerland, December offers a cozy charm with 202 hours of sunshine, marking a gradual tapering off from the vibrant glow of the summer months. As the year draws to a close, the sunlight begins to dwindle after peaking in July at a dazzling 416 hours. Notably, December’s sun hours reflect a cozy winter atmosphere as residents and visitors embrace the snowy landscape. The increase in sunshine from January through June indicates a delightful ascension towards summer, with the peak of 388 hours in June. However, as the season shifts towards winter, the sunlight gently recedes, inviting everyone to enjoy the serene beauty of the snowy hills and the comforting embrace of the alpine air. The light may fade, but the charm of December in Lenk remains exceptionally bright.

Monthly Sunshine Duration in Lenk: December Highlighted

The December sunshine duration represents the total number of hours Lenk experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec176h234h303h355h360h388h416h383h323h288h232h202h
Data source: Lenk December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lenk During December

When considering the likelihood of sunny weather in Lenk, Switzerland, December boasts a 39% chance of sunshine, making it a somewhat brighter spot in the winter months. While the winter season tends to bring an overall reduction in sunny days, December's percentage is markedly better than January’s dismal 18%, hinting at a gradual improvement in sunlit skies as the year comes to a close. Notably, October enjoys the highest percentage of sunny days at 42%, creating a contrast as the days become shorter and cooler. Interestingly, December's chances align closely with those of November at 36%, indicating a persistent, but modest, opportunity for winter sunshine. This trend suggests that while snowfall is likely, there remains a hopeful chance for clear days to enjoy the stunning alpine scenery.

Percentage of Sunny Days in December in Lenk

The chart illustrates the percentage of sunny days in Lenk throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lenk experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%37%40%40%28%29%29%30%30%42%36%39%
Data source: Lenk December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lenk in December

In Lenk, Switzerland, December marks the culmination of a gradual descent into shorter days, where daylight spans just 8 hours. This reduction follows a year-long trend, beginning with January's 9 hours and peaking in the vibrant months of May through July, when daylight stretches to 15 hours. As autumn transitions into winter, the daylight slowly dwindles from 12 hours in September to 10 in October, echoing the rhythm of nature's cycles. November echoes this pattern, closing out the autumn with a return to 9 hours. December's shorter days invite a cozy ambiance, as Lenk embraces the snowy landscapes under a softer, limited sunlight.

Average Daylight Hours in Lenk for December

The chart illustrates the variation in daylight duration in Lenk throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 2m10h 19m11h 56m13h 35m15h15h 44m15h 21m14h 5m12h 29m10h 51m9h 23m8h 38m
Data source: Lenk daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lenk

As December draws to a close in Lenk, Switzerland, the average wind speed gently reaches 1.5 m/s (3 mph), slightly elevating from the tranquil breezes of earlier winter months. This steady wind pattern, which holds steady at a comfortable pace throughout the year, creates a serene atmosphere perfect for savoring the snowy landscapes. While the wind speed in December mirrors the calmness of the previous months, it also hints at the invigorating chill that accompanies the holiday season, inviting both residents and visitors to embrace the magic of the Alps.

Average December Wind Speed in Lenk

The chart displays monthly wind speed patterns in Lenk, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.31.41.21.21.21.21.11.41.41.5 m/s
Data source: Lenk December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lenk Compares to Other Months

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

December and January present similar frigid temperatures, with both months experiencing minimums of -26°C (-15°F) and -26°C (-14°F) respectively. However, January tends to be slightly colder on average, with a temperature of -7°C (20°F) compared to December's average of -6°C (22°F). January also sees a decrease in precipitation, with 174 mm (6.8 in) falling over 12 days, whereas December experiences 248 mm (9.8 in) across 18 days. Both months maintain high humidity levels of 91%, contributing to the chilly atmosphere in the region. For a more detailed overview, you can check Lenk weather in January.

December and February present notably different weather conditions despite both being winter months. In December, temperatures can dip as low as -26°C (-15°F), with an average of -6°C (22°F) and a maximum of 7°C (44°F). The month is quite wet, receiving 248 mm (9.8 in) of precipitation over 18 days, paired with high humidity levels at 91%. In contrast, February offers slightly milder temperatures, with a minimum of -22°C (-8°F) and a more comfortable average of -3°C (26°F), reaching up to 11°C (53°F) at its peak. The month experiences significantly less precipitation, totaling 132 mm (5.2 in) over just 11 days, while humidity remains relatively consistent at 89%. For more specifics on February weather, visit Lenk weather in February.

In December, temperatures can plummet to a chilling minimum of -26°C (-15°F), with an average around -6°C (22°F) and a maximum reaching only 7°C (44°F). The month is characterized by significant precipitation, totaling 248 mm (9.8 in) over 18 days, along with high humidity levels of 91%. In contrast, March experiences slightly milder weather, with minimum temperatures around -24°C (-11°F) and an average of -1°C (31°F), peaking at a much warmer 14°C (58°F). Precipitation in March is lower at 161 mm (6.3 in) over 16 days, and humidity is also slightly reduced at 87%. For a detailed comparison of March weather, you can explore Lenk weather in March.

December and April present a stark contrast in weather conditions. In December, temperatures can plunge as low as -26°C (-15°F), with an average of -6°C (22°F) and a maximum of just 7°C (44°F). The month is characterized by high humidity at 91% and significant precipitation, averaging 248 mm (9.8 in) over 18 days. In contrast, April brings a notable improvement, with temperatures ranging from a minimum of -15°C (5°F) to an average of 3°C (37°F) and reaching a maximum of 18°C (64°F). This month sees reduced precipitation of 99 mm (3.9 in) over 12 days and a slightly lower humidity level of 84%. For a closer look at April weather specifics, you can check Lenk weather in April.

In December, the weather is characterized by frigid temperatures, with minimums plummeting to -26°C (-15°F) and an average temperature of around -6°C (22°F). Precipitation is frequent, occurring on 18 days, and the humidity level is a high 91%, making the atmosphere feel quite chilly and damp. In contrast, May sees a significant shift, with temperatures rising to a minimum of -11°C (12°F) and averaging 7°C (44°F), reaching a maximum of 24°C (75°F). While precipitation remains a factor, totaling 223 mm (8.8 in) over 21 days, the humidity decreases to 80%, creating a more pleasant springtime feel. For a detailed view of weather conditions, you can check Lenk weather in May.

December weather can be characterized by its harsh cold, with temperatures ranging from a chilling minimum of -26°C (-15°F) to a milder maximum of 7°C (44°F), resulting in an average of around -6°C (22°F). This month experiences significant precipitation, totaling 248 mm (9.8 in) across 18 days, combined with high humidity levels of 91%. In contrast, June embraces much warmer conditions, where temperatures range from a minimum of -2°C (28°F) to a pleasant maximum of 29°C (84°F), averaging 12°C (54°F). Although June features slightly less precipitation at 184 mm (7.2 in) over 20 days, the humidity remains relatively high at 82%. For more specific climate details for June, visit Lenk weather in June.

December and July present strikingly different weather conditions. In December, temperatures can plummet to a minimum of -26°C (-15°F), with an average of -6°C (22°F) and a maximum reaching only 7°C (44°F). The month sees substantial precipitation, totaling 248 mm (9.8 in) across 18 days, with humidity levels soaring to 91%. In contrast, July offers a much warmer climate with minimum temperatures of 2°C (36°F) and an average of 13°C (56°F), peaking at a pleasant maximum of 28°C (83°F). Although July has slightly less precipitation at 224 mm (8.8 in) over 20 days, the humidity is a bit lower at 82%. For more specific details on this summer month, check out Lenk weather in July.

December and August offer starkly contrasting weather conditions. In December, temperatures can plunge to a minimum of -26°C (-15°F), with an average of -6°C (22°F) and a maximum of 7°C (44°F). This month sees significant precipitation, totaling 248 mm (9.8 in) over 18 days, accompanied by high humidity levels at 91%. In contrast, August experiences milder temperatures, ranging from a minimum of 1°C (35°F) to a maximum of 26°C (78°F), with an average of 13°C (55°F). Although it is still a relatively wet month, August has lower precipitation at 196 mm (7.7 in) distributed over 20 days and a more comfortable humidity level of 77%. For more details on August weather, you can check out Lenk weather in August.

In December, temperatures plunge significantly compared to September, with minimums dropping to -26°C (-15°F) and an average of -6°C (22°F), while September enjoys milder conditions with a minimum of -5°C (23°F) and an average of 9°C (49°F). Additionally, December experiences higher precipitation, totaling 248 mm (9.8 in) over 18 days, compared to September's 131 mm (5.1 in) across 16 days, reflecting a wetter atmosphere in winter. The humidity in December also stands at a notable 91%, in contrast to September's 81%, highlighting a general chill and dampness that characterizes the winter month. For more details on September's climate, you can visit Lenk weather in September.

December and October display a notable contrast in weather conditions. In December, temperatures plunge significantly with minimums reaching -26°C (-15°F) and an average of -6°C (22°F), while October enjoys milder temperatures, with minimums around -7°C (19°F) and an average of 5°C (41°F). Precipitation is also more pronounced in December, totaling 248 mm over 18 days compared to October's 151 mm over 13 days. Additionally, December's humidity is slightly higher at 91%, compared to 89% in October, contributing to a colder and more oppressive atmosphere. For a further comparison of October's weather, you can refer to Lenk weather in October.

In December, the weather becomes significantly colder compared to November, with average temperatures dropping from -1°C (31°F) in November to -6°C (22°F) in December. The minimum temperatures plunge further, from -18°C (0°F) in November to a frigid -26°C (-15°F). Precipitation also increases in December, reaching 248 mm (9.8 in) across 18 days, compared to 107 mm (4.2 in) over 12 days in November. Additionally, humidity remains high but slightly increases from 89% in November to 91% in December. For more specifics on November weather, check out Lenk weather in November.

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Conclusion: What to Expect From December Weather in Lenk

As December settles over Lenk, the weather transforms into a crisp, chilly experience, markedly different from the milder months preceding it. The average temperature plunges into a frosty realm, where both maximum and minimum temperatures contrast sharply, leading to a significant drop in warmth. With high humidity levels hovering around 91% and nearly 19 days of precipitation, the atmosphere feels heavier, often accompanied by the delicate touch of snowflakes. This combination of cold and moisture sets the stage for a winter wonderland, inviting outdoor enthusiasts to enjoy the stunning landscapes. For more insights into Lenk’s climate throughout the year, visit Lenk Climate.