December Weather in Weggis, Switzerland

Last updated: August 27, 2025

December in Weggis, Switzerland offers a captivating winter experience, characterized by average temperatures hovering around 1°C (33°F), with highs reaching up to 11°C (52°F) and lows dipping to -11°C (12°F). The month brings about 171 mm (6.7 in) of precipitation over approximately 18 days, creating a damp atmosphere coupled with a high humidity level of 90%. This combination of chilly temperatures and frequent rainfall sets the stage for a picturesque Swiss winter landscape, where cozy moments indoors contrast with the enchanting, snow-dusted scenery outside.

December Temperature in Weggis

In Weggis, Switzerland, December ushers in the heart of winter, with temperatures typically ranging from a chilly -11°C (12°F) at night to a modest 11°C (52°F) during the day. The average temperature hovers around 1°C (33°F), showcasing a stark contrast to the milder autumn months that precede it. As the year draws to a close, the landscape transforms into a serene winter wonderland, setting the perfect backdrop for cozy retreats. The dip in temperature reflects a broader trend seen in late autumn, where the mercury falls steadily, culminating in the frosty embrace of December. Whether bundled up by a fireside or exploring the snowy trails, visitors are sure to revel in the enchanting atmosphere this season brings.

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

The chart illustrates December temperature patterns in Weggis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weggis, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303438445160636356483933
Data source: Temperature data for Weggis 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 Weggis

December in Weggis, Switzerland, typically wraps up the year with a substantial amount of precipitation, recording an average of 171 mm (6.7 in). This figure reflects a notable increase from November's 102 mm, underscoring a trend towards a wetter end of the year. Notably, December experiences 18 rainy days, matching the summer month's rainfall frequency, suggesting a shift in climate as the cold season sets in. Compared to earlier months, December’s precipitation ranks among the highest, following only the summer peaks of June and August. This consistent precipitation not only enriches Weggis’s stunning landscapes but also enhances the serene winter atmosphere, making it a captivating time to experience this picturesque Swiss village.

December Precipitation Trends in Weggis

The chart displays monthly precipitation patterns in Weggis, 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 Weggis, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec144106127104163189190203146165102171
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Weggis

In Weggis, Switzerland, December ushers in a return to notable humidity levels, reaching 90% this month, a slight uptick from November’s 88%. This pattern reflects the typical winter season, where the air tends to be more saturated, contributing to the region's distinctive chill. As the year progresses, a gentle decline in humidity is observed from January’s peak of 92% through the warmer months, reaching a seasonal low of 80% in both May and August. However, as autumn sweeps in, humidity levels begin to rebound, peaking again in winter. Overall, December’s moisture levels evoke a cozy atmosphere, perfect for enjoying the scenic beauty of Weggis against the backdrop of the cold winter months.

December Average Humidity in Weggis

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

In Weggis, Switzerland, the UV Index experiences a notable dip in December, dropping to 2, which indicates a low exposure category. This reflective shift from the more intense solar intensity seen during the summer months, peaking at a 9 in June and July, is a welcome change for those seeking to enjoy the outdoors with minimal risk of sunburn. With a burn time of 45 minutes, December allows for extended outdoor activities without the urgency for sunscreen, contrasting sharply with the 15-minute burn time during the sunny summer. As the year wraps up, the UV Index trends towards lower values that align with the colder, shorter days. For more detailed information on UV exposure levels throughout the year, visit Weggis UV Index.

Maximum UV Index Levels in Weggis for December

The chart shows the monthly maximum UV Index (UVI) for Weggis 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 Weggis typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Weggis 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 Weggis

As December unfolds in Weggis, Switzerland, the winter sun shines with a gentle touch, offering 185 hours of daylight that, while modest compared to the peak summer months, adds a crisp clarity to the Swiss landscape. This month marks a noticeable dip from the vibrant bask of summer, where July boasts a radiant 415 hours, but the transition from the warm golden rays gradually wanes is part of the region's seasonal cycle. Even as daylight decreases, the picturesque backdrop of the Alps against the winter sky lures visitors, providing a serene escape. The sun-kissed moments in December remind us that each hour of sunlight carries its own charm, paving the way for the magic of the snowy landscapes that define Weggis’s winter allure.

Monthly Sunshine Duration in Weggis: December Highlighted

The December sunshine duration represents the total number of hours Weggis 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h228h300h358h370h385h415h384h320h279h219h185h
Data source: Weggis December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Weggis During December

In Weggis, Switzerland, December sees a 29% chance of sunny weather, which reflects a slight uptick compared to the preceding November at 23%. This modest increase suggests a transition into the more hopeful days of winter, yet still illustrates that the chances of basking in sunshine remain relatively low during this month. As we examine the trend from the year, it becomes evident that the likelihood of sunny days generally gains momentum as spring approaches, peaking in April and March with chances soaring above 40%. Thus, while December's sunshine probabilities may not be prominent, they hint at the gradual shift toward brighter days ahead.

Percentage of Sunny Days in December in Weggis

The chart illustrates the percentage of sunny days in Weggis 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 Weggis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%35%42%44%29%30%31%33%34%35%23%29%
Data source: Weggis December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Weggis in December

In Weggis, Switzerland, the rhythm of daylight follows a predictable pattern throughout the year, peaking in the warm summer months. December, however, marks a retreat into shorter days with only 8 hours of daylight, mirroring January's gloom. As the year unfolds, the days gradually lengthen, showcasing a delightful increase from 10 hours in February to a generous 15 hours by May. This trend of elongating daylight continues into the summer months of June, July, and August, where residents enjoy a splendid balance of sunlight. As autumn approaches, the daylight begins to wane again, descending from 12 hours in September to 9 hours in November. This cyclical dance between light and dark creates a captivating experience throughout Weggis, inviting both the beauty of long summer days and the serene charm of winter evenings.

Average Daylight Hours in Weggis for December

The chart illustrates the variation in daylight duration in Weggis throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 58m10h 17m11h 56m13h 37m15h 4m15h 48m15h 25m14h 7m12h 30m10h 49m9h 20m8h 33m
Data source: Weggis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Weggis

In December, Weggis, Switzerland experiences a gentle breeze with an average wind speed of 1.4 m/s (3 mph), reflecting a slight uptick from the calmer November. Over the year, the wind speeds have shown a subtle rhythm, predominantly hovering around the 1.3 to 1.6 m/s mark. The transition from autumn to winter brings a cooling effect, yet December maintains a mild character in the wind department, reminiscent of earlier months. While July and August recorded the lowest wind speeds, December's modest breeze serves as a reminder of the tranquil beauty that envelops Weggis during this serene winter month. Overall, the seasonal patterns suggest a stable yet consistent air flow, enhancing the picturesque charm of this lakeside village.

Average December Wind Speed in Weggis

The chart displays monthly wind speed patterns in Weggis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.41.51.61.31.31.21.21.41.31.4 m/s
Data source: Weggis December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Weggis Compares to Other Months

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

December and January both present cold weather conditions, but January tends to be slightly chillier. In December, temperatures range from a minimum of -11°C (12°F) to a maximum of 11°C (52°F), with an average temperature of 1°C (33°F). The month sees considerable precipitation, totaling 171 mm (6.7 in) over 18 days, along with a high humidity level of 90%. In contrast, January experiences even lower temperatures, reaching a minimum of -15°C (5°F) and maintaining an average of -1°C (30°F), although it shares the same maximum of 11°C (52°F). Precipitation decreases to 144 mm (5.7 in) over 13 days, and humidity slightly increases to 92%. For more detailed information, you can check Weggis weather in January.

In December, temperatures generally range from a chilly -11°C (12°F) at their lowest to a mild 11°C (52°F) at their peak, with an average temperature of around 1°C (33°F). The month experiences significant precipitation, totaling 171 mm (6.7 in) across 18 days, resulting in high humidity levels of 90%.

In comparison, February sees even colder temperatures, with minimums dropping to -19°C (-1°F) but an average still hovering around 1°C (34°F). The maximum temperature can reach 14°C (58°F). Precipitation is lower, at 106 mm (4.2 in) spread over 12 days, and humidity remains slightly lower at 89%. For more detailed insights into February weather, check out Weggis weather in February.

In December, temperatures tend to be milder with an average of 1°C (33°F), whereas March sees a slight increase, averaging 3°C (38°F). Notably, December experiences a minimum temperature of -11°C (12°F) and a maximum of 11°C (52°F), while March can drop to -15°C (6°F) but can also reach a much warmer 18°C (64°F). Precipitation is higher in December at 171 mm (6.7 in) over 18 days, compared to March's 127 mm (5.0 in) over 17 days. Humidity levels are quite similar, with December at 90% and March slightly lower at 87%. For more detailed insights into March weather, check out Weggis weather in March.

December weather is markedly colder than April, with minimum temperatures dipping to -11°C (12°F) compared to -7°C (19°F) in April. The average December temperature hovers around 1°C (33°F), while in April, it rises to a milder 7°C (45°F), reaching a pleasant maximum of 22°C (71°F). Additionally, December experiences significantly more precipitation, with 171 mm (6.7 in) over 18 days, whereas April sees only 104 mm (4.1 in) across 12 days. Humidity levels are also higher in December at 90%, compared to April's 84%. For further insights, you can check out Weggis weather in April.

December and May present strikingly different weather patterns. In December, temperatures can range from a chilly -11°C (12°F) at night to a mild 11°C (52°F) during the day, with an average of 1°C (33°F). The month is characterized by significant precipitation, totaling 171 mm (6.7 in) across 18 days, coupled with high humidity at around 90%. In contrast, May experiences a more moderate climate, with temperatures ranging from -7°C (19°F) at night to a warm 27°C (80°F) during the day and an average of 10°C (51°F). Precipitation in May is slightly lower at 163 mm (6.4 in) over 19 days, with humidity also decreasing to about 80%. These differences make December a much colder, wetter month, while May ushers in a pleasant warmth and reduced moisture. For those interested in specific weather details, Weggis weather in May provides further insights.

In December, the weather is characterized by chilly temperatures, ranging from a minimum of -11°C (12°F) to a maximum of 11°C (52°F), with an average hovering around 1°C (33°F). The month sees significant precipitation totaling 171 mm (6.7 in) across 18 days, with high humidity levels at 90%. In contrast, June brings a much warmer climate, with temperatures varying from a minimum of 4°C (39°F) to a maximum of 31°C (88°F) and an average of 16°C (60°F). Although June experiences slightly higher precipitation at 189 mm (7.4 in) over the same number of rainy days, humidity is lower at 82%. For a more detailed look, you can check the Weggis weather in June.

In December, temperatures plummet, with minimums reaching as low as -11°C (12°F) and an average of just 1°C (33°F), creating a stark contrast to the warmer July, where temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (87°F), averaging at a comfortable 17°C (63°F). December also sees higher humidity levels at 90%, contributing to its cold, damp feel, while July's humidity, at 83%, feels more tolerable in the midst of summer warmth. Additionally, both months experience similar precipitation patterns, averaging around 18 days of rainfall, but December tends to bring heavier downpours with a total of 171 mm (6.7 in) compared to July's 190 mm (7.5 in). For more detailed information on the weather specifics, you can check out Weggis weather in July.

December and August present stark contrasts in weather. In December, temperatures can plummet to a minimum of -11°C (12°F), with an average of 1°C (33°F) and a maximum of 11°C (52°F). Consequently, this winter month is marked by high humidity at 90% and considerable precipitation, totaling 171 mm (6.7 in) over 18 days. In contrast, August boasts a much milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable average of 17°C (63°F) and a peak of 29°C (84°F). While August sees slightly more precipitation at 203 mm (8.0 in) over the same number of days, the humidity remains lower at 80%. For those interested in a deeper look into August's weather specifics, visit Weggis weather in August.

December weather is notably colder and wetter compared to September. While December sees temperatures ranging from a chilling minimum of -11°C (12°F) to a maximum of 11°C (52°F), September enjoys a much milder climate, with temperatures fluctuating between 1°C (34°F) and 25°C (77°F). Precipitation also differs, with December experiencing 171 mm (6.7 in) of rain over 18 days, compared to September's 146 mm (5.8 in) over just 15 days. Additionally, December's humidity is higher at 90%, while September maintains a slightly lower humidity level at 83%. For more details on September weather, visit Weggis weather in September.

December and October present stark contrasts in weather conditions. While October experiences milder temperatures, with a range from a minimum of 1°C (34°F) to a maximum of 20°C (68°F) and an average of 9°C (49°F), December plunges into the chill, with temperatures dropping to a minimum of -11°C (12°F) and averaging around 1°C (33°F). Precipitation levels are similar, with October recording 165 mm (6.5 in) over 14 days and December slightly higher at 171 mm (6.7 in) across 18 days. Interestingly, humidity remains constant at 90% in both months, contributing to a damp and chilly feel as winter sets in. For a closer look at October weather, you can visit Weggis weather in October.

In December, the weather turns notably colder compared to November, with average temperatures dropping from 4°C (39°F) in November to around 1°C (33°F) in December. The maximum temperatures in December also reach a lower peak of 11°C (52°F), compared to November's warmer maximum of 19°C (66°F). Additionally, December experiences more precipitation, totaling 171 mm (6.7 in) over 18 days, while November has a milder 102 mm (4.0 in) over just 14 days. The humidity slightly increases from November's 88% to December's 90%, contributing to a chillier atmosphere. For more detailed insights on November weather, you can check out Weggis weather in November.

Compare Weggis's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Weggis

December in Weggis presents a stark contrast to the milder months of the year, as temperatures significantly dip, creating a chill in the air that many find invigorating. The month sees an increase in moisture, with frequent rains splashing down on around 18 days, leading to an overall precipitation amount that dwarfs those of the preceding months. The high humidity of 90% further adds to the crisp, wintry atmosphere, inviting visitors to enjoy cozy indoor activities or explore the serene landscapes. For those curious about the broader trends, a deeper dive into the yearly patterns can be found in the detailed Weggis Climate data.