December Weather in Adelboden, Switzerland

Last updated: August 27, 2025

In December, Adelboden, Switzerland transforms into a winter wonderland, characterized by a striking temperature range where highs reach up to 7°C (44°F) and lows plunge to an astonishing -26°C (-15°F). The average temperature settles at a brisk -6°C (22°F), creating a crisp atmosphere perfect for snow sports. Visitors can expect a moderate level of precipitation, totaling 248 mm (9.8 in) over approximately 18 days, which contributes to the region’s snow-covered landscapes. With a notable humidity level of 91%, the air is filled with the invigorating essence of winter, making Adelboden a captivating destination for those seeking both adventure and scenic beauty in the heart of the Swiss Alps.

December Temperature in Adelboden

In December, Adelboden, Switzerland, transforms into a winter wonderland, with temperatures reflecting the chill of the season. The minimum temperature plunges to a brisk -26°C (-15°F), while the average hovers around -6°C (22°F), peaking at a maximum of 7°C (44°F). This significant dip in temperatures signals the depth of winter, contrasting sharply with the milder conditions seen in November. As the year draws to a close, visitors can expect a picturesque landscape blanketed in snow, perfect for winter sports and cozy alpine retreats. The sharp cold sets a distinctive tone for the month, inviting both adventure and tranquility in this stunning Swiss destination.

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

The chart illustrates December temperature patterns in Adelboden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Adelboden, 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 Adelboden 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 Adelboden

In December, Adelboden, Switzerland experiences a notable increase in precipitation, with an impressive total of 248 mm (9.8 in) over 18 days. This marks the highest monthly rainfall for the year, significantly surpassing the previous months. The transition to winter is clearly evident as the region transforms into a picturesque winter wonderland, bolstered by the higher precipitation typically associated with the season. Notably, December's weather sets the stage for holiday festivities and winter sports, as the substantial rainfall often translates into snowfall in the surrounding mountains. The combination of festive charm and abundant winter conditions makes December a captivating time in this alpine village.

December Precipitation Trends in Adelboden

The chart displays monthly precipitation patterns in Adelboden, 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 Adelboden, 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 Adelboden

In Adelboden, Switzerland, December wraps up the year with a notable humidity level of 91%, almost mirroring January's consistent moisture. The trends throughout the months reveal a gradual decline from the peak levels typically experienced in winter, with March and April showing lower averages of 87% and 84%, respectively. As spring approaches, humidity decreases further, hitting 80% in May before rebounding slightly during the summer months, which hover around 82%. Interestingly, the late fall months of October and November see a resurgence to 89%, setting the stage for December's wintery embrace marked by high humidity. Overall, Adelboden's climate patterns reflect a rhythmic dance between the warmth of summer and the chill of winter, keeping the air consistently moist and invigorating.

December Average Humidity in Adelboden

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

As December rolls into Adelboden, Switzerland, the UV Index takes a dip to a moderate level of 2, indicating a shift from the very high and extreme levels seen in the summer months. This lower UV exposure translates to a longer burn time of 45 minutes, allowing residents and visitors alike to enjoy the outdoors with a bit more caution but significantly less urgency than in the sunny peaks of June and July. This trend highlights the seasonal variability of UV radiation, with winter months offering a more forgiving sun, perfect for enjoying the stunning alpine scenery. For more information on UV levels throughout the year, check out the detailed insights at Adelboden UV Index.

Maximum UV Index Levels in Adelboden for December

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

Nestled in the heart of paradise, December in Adelboden, Switzerland brings a serene transition into winter, with an average of 202 sunshine hours. While the days grow shorter, the sun still makes an appearance, adding a touch of warmth to the chilly atmosphere. This month's sunshine reflects a noticeable drop compared to the vibrant hours of March through July, which bask in the light for over 300 hours. Interestingly, as we move from the peak of summer toward the holiday season, a pattern emerges: while daylight diminishes, the crisp winter air enhances the charm of the alpine landscape. December, with its gentle light, sets the stage for festive gatherings and winter sports, beckoning both adventure seekers and those in search of cozy moments by the fire.

Monthly Sunshine Duration in Adelboden: December Highlighted

The December sunshine duration represents the total number of hours Adelboden 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: Adelboden December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Adelboden During December

In December, Adelboden, Switzerland experiences a 39% chance of sunny weather, which sets a promising stage for winter enthusiasts. While this figure indicates a moderate prospect of sunshine, it reflects a noticeable shift from the colder months preceding it. As the year progresses from January's bleak 18% to October's 42%, December sits comfortably with a likelihood that is consistent with the spring months of April and March, both at 40%. This transitional period hints at a retreat from the gloominess of autumn, suggesting that while clear, sunny days may not dominate the month, the chances are better than in the depths of winter. Embrace the beauty of December sun in Adelboden—it may just surprise you!

Percentage of Sunny Days in December in Adelboden

The chart illustrates the percentage of sunny days in Adelboden 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 Adelboden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%37%40%40%28%29%29%30%30%42%36%39%
Data source: Adelboden December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Adelboden in December

In December, Adelboden, Switzerland experiences a significant reduction in daylight, with only 8 hours illuminating the landscape—a stark contrast to the longer days of summer and early autumn. As the year progresses from January's 9 hours to a peak of 15 hours in May through July, the daylight gradually diminishes, creating a rhythm of nature that hints at the approaching winter. By December, the days are short, inviting a cozy atmosphere, yet this trend of decreasing daylight is part of a beautiful cycle. Despite the limited hours, early sunsets offer dreamy evening skies, reminding us of the magic winter brings even in its darkest days.

Average Daylight Hours in Adelboden for December

The chart illustrates the variation in daylight duration in Adelboden 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: Adelboden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Adelboden

As December settles over Adelboden, Switzerland, the winds begin to pick up slightly, reaching an average speed of 1.5 m/s (3 mph). This marks a subtle increase compared to the preceding months, where winds lingered around 1.2 to 1.4 m/s. This shift is notable in the cold winter air, invigorating the alpine landscape with a gentle, crisp breeze that complements the stunning winter scenery. As the year draws to a close, the consistent wind patterns reflect a serene tranquility, making it an ideal time for winter sports enthusiasts and nature lovers alike to embrace the beauty of the season.

Average December Wind Speed in Adelboden

The chart displays monthly wind speed patterns in Adelboden, 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: Adelboden December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Adelboden Compares to Other Months

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

In December, temperatures in Adelboden range from a minimum of -26°C (-15°F) to a maximum of 7°C (44°F), with an average temperature of -6°C (22°F). The month experiences significant precipitation, totaling 248 mm (9.8 in) over 18 days, while the humidity remains high at 91%. In contrast, January sees a slightly colder average temperature of -7°C (20°F) and maintains the same minimum of -26°C (-14°F), with a maximum reaching 7°C (46°F). Precipitation decreases to 174 mm (6.8 in) over just 12 days, but the humidity remains consistent at 91%. For more detailed insights, you can check Adelboden weather in January.

December and February present distinctly different weather patterns, showcasing the winter season's chill. In December, the temperatures plunge to a minimum of -26°C (-15°F) and average around -6°C (22°F), with a maximum reaching just 7°C (44°F). This month also sees significant precipitation of 248 mm (9.8 in) across 18 days, coupled with high humidity at 91%. In contrast, February offers slightly milder conditions, with temperatures ranging from a minimum of -22°C (-8°F) to an average of -3°C (26°F), peaking at 11°C (53°F). Precipitation drops to 132 mm (5.2 in) over 11 days, and humidity remains a bit lower at 89%. For a detailed look at February weather in a specific region, you can check Adelboden weather in February.

December and March present contrasting weather patterns, despite their proximity on the calendar. In December, temperatures can plummet to a minimum of -26°C (-15°F), with an average temperature of -6°C (22°F) and a maximum reaching just 7°C (44°F). The month is characterized by high precipitation, totaling 248 mm (9.8 in) across 18 days, accompanied by a humidity level of 91%. By contrast, March sees a slight rise in temperatures, with a minimum of -24°C (-11°F) and an average of -1°C (31°F), peaking at 14°C (58°F). The precipitation also decreases to 161 mm (6.3 in) over 16 days with humidity slightly lower at 87%. For more detailed insights, check out Adelboden weather in March.

December and April 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 of 7°C (44°F). This month witnesses substantial precipitation totaling 248 mm (9.8 in) across 18 days, accompanied by high humidity at 91%. In contrast, April offers a milder climate, with temperatures ranging from a minimum of -15°C (5°F) to a pleasant maximum of 18°C (64°F), averaging around 3°C (37°F). Precipitation is significantly lower at 99 mm (3.9 in) over just 12 days, and humidity decreases to 84%. This transition from winter's chill in December to the more temperate spring conditions of April is quite remarkable. For more details on the April weather, you can visit Adelboden weather in April.

December and May present strikingly different weather patterns. In December, temperatures can plunge as low as -26°C (-15°F), with an average around -6°C (22°F) and a maximum of 7°C (44°F). The month is characterized by high humidity at 91% and significant precipitation, totaling 248 mm (9.8 in) over roughly 18 days. In contrast, May experiences milder conditions, where minimum temperatures hover around -11°C (12°F) and averages rise to 7°C (44°F), peaking at 24°C (75°F). Precipitation in May is slightly lower at 223 mm (8.8 in) and occurs over 21 days, with humidity decreasing to 80%. For those interested in a detailed overview of May weather, you can check Adelboden weather in May.

In December, the weather is significantly colder, with temperatures ranging from a frosty -26°C (-15°F) at night to a chilly maximum of 7°C (44°F) during the day, along with high humidity at 91%. The month sees substantial precipitation, averaging 248 mm (9.8 in) over approximately 18 days. In contrast, June brings much milder conditions, with temperatures starting at a minimum of -2°C (28°F) and soaring to an average high of 29°C (84°F). The total precipitation in June is lower at 184 mm (7.2 in), spread over about 20 days, while the humidity is slightly reduced at 82%. For more detailed information on June weather in this region, visit Adelboden weather in June.

In December, the weather is notably colder, with minimum temperatures plunging to -26°C (-15°F) and an average of -6°C (22°F). The month experiences heavy precipitation, totaling 248 mm (9.8 in) over 18 days, accompanied by high humidity at 91%. In contrast, July offers a much milder climate, with minimum temperatures around 2°C (36°F) and an average of 13°C (56°F), peaking at 28°C (83°F). It sees slightly less precipitation at 224 mm (8.8 in) over 20 days, with humidity levels at 82%. For more specific details on July conditions, check Adelboden weather in July.

December and August present strikingly different weather patterns. In December, temperatures can plunge to a minimum of -26°C (-15°F), with average highs only reaching 7°C (44°F), making it a cold and often harsh month. The precipitation level is significant, with 248 mm (9.8 in) recorded over 18 days, and a high humidity level of 91% adds to the chilly atmosphere. In contrast, August offers a much milder climate, featuring minimum temperatures of 1°C (35°F) and average highs of 26°C (78°F). With precipitation at 196 mm (7.7 in) over 20 days and a humidity level of 77%, August feels considerably warmer and more inviting. For more details, check out Adelboden weather in August.

In December, the weather takes a sharp turn towards the colder side, with temperatures ranging from a chilling minimum of -26°C (-15°F) to a milder maximum of 7°C (44°F). The month sees significant precipitation of 248 mm (9.8 in) over 18 days, accompanied by high humidity levels of 91%. In stark contrast, September enjoys a more temperate climate, with temperatures varying from a minimum of -5°C (23°F) to a comfortable maximum of 22°C (72°F). This month features less precipitation, totaling 131 mm (5.1 in) over 16 days, and lower humidity at 81%. For a deeper dive into September's weather specifics, you can check Adelboden weather in September.

In comparing the weather between December and October, a stark contrast is evident. December experiences much colder temperatures, with a minimum of -26°C (-15°F) and an average of -6°C (22°F), while October's temperatures are milder, ranging from a minimum of -7°C (19°F) to an average of 5°C (41°F). Precipitation also differs significantly, with December seeing 248 mm (9.8 in) over 18 days, compared to October's 151 mm (5.9 in) over just 13 days. Despite both months having high humidity, December’s average humidity of 91% slightly surpasses October’s 89%. For more detailed insights, visit Adelboden weather in October.

December and November exhibit notable differences in temperature and precipitation patterns. In December, temperatures plunge further, averaging around -6°C (22°F), with minimums reaching a chilling -26°C (-15°F). In contrast, November enjoys slightly milder conditions, with an average of -1°C (31°F) and maximums climbing to 16°C (60°F). Precipitation is significantly higher in December, totaling 248 mm (9.8 in) across 18 days, compared to November’s 107 mm (4.2 in) over just 12 days. Despite these increased levels of precipitation, December's humidity remains relatively high at 91%, only slightly higher than November's 89%. For more information about the weather in November, you can visit Adelboden weather in November.

Compare Adelboden's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Adelboden

As December unfolds in Adelboden, the weather presents a striking contrast to the milder months that precede it. With temperatures plunging into chilly averages and the possibility of reaching lows that bite at -26°C, visitors experience a winter wonderland unlike any other time of year. While preparation for snow and cold becomes crucial, the high humidity adds a unique character to the crisp air, enhancing the festive atmosphere. Snow-laden landscapes and the joy of winter sports make December a magical choice for adventurers seeking to embrace the winter season. For more detailed insights, explore the complete climate patterns at Adelboden Climate.