December Weather in Avenches, Switzerland

Last updated: August 27, 2025

December in Avenches, Switzerland presents a fascinating winter tapestry, characterized by temperatures ranging from a maximum of 12°C (54°F) to a minimum of -8°C (17°F), with an average chill settling around 2°C (35°F). This month sees a significant precipitation total of 158 mm (6.2 in), spread over 19 days, contributing to the region's 93% humidity. These conditions create a cold yet captivating atmosphere, ideal for those seeking to experience the serene beauty of Avenches during the winter season.

December Temperature in Avenches

As December rolls into Avenches, Switzerland, the temperatures reflect a noticeable chill, with minimums dropping to -8°C (17°F) and averages hovering around 2°C (35°F). This marks a clear transition into winter, contrasting sharply with the milder conditions of November. The maximum temperature peaks at 12°C (54°F), suggesting that while the days can still be relatively moderate, brisk cold dominates the air, inviting layers and cozy indoor activities. The steady decline in temperatures throughout the month underscores the seasonal shift, reminding residents and visitors alike to embrace the beauty of winter’s onset in this picturesque Swiss town.

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

The chart illustrates December temperature patterns in Avenches, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avenches, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323641485463656458494035
Data source: Temperature data for Avenches 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 Avenches

In December, Avenches experiences a distinct spike in precipitation, totaling 158 mm (6.2 in), making it one of the wettest months of the year. This increase is accompanied by a higher frequency of rainy days, with 19 days of precipitation, reflecting the shift to winter weather patterns. Notably, the month's rainfall surpasses that of both November and October, suggesting that December brings both robust moisture and more consistent weather disturbances. As the year closes, this trend highlights the crucial role of winter precipitation in replenishing local water sources and maintaining the region's lush environment.

December Precipitation Trends in Avenches

The chart displays monthly precipitation patterns in Avenches, 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 Avenches, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10987114651591351451308410890158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Avenches

December in Avenches, Switzerland experiences a high humidity level of 91%, mirroring the damp conditions typical of January and November. Throughout the year, humidity shows a gradual decline from the early months, starting at a robust 91% in January and tapering off to 77% in August. However, as the year closes, the humidity rises again, with both October and November maintaining a substantial 89% before December's slight increase. This pattern indicates a seasonal fluctuation, where the colder months contribute to elevated humidity, creating a crisp yet damp atmosphere that characterizes Avenches in winter.

December Average Humidity in Avenches

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

In December, Avenches experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, with a generous burn time of 45 minutes. This trend marks a consistent decline in UV levels as the year comes to a close, following a peak in the summer months when the index reached as high as 9. As the sun's rays become less intense, residents are encouraged to enjoy outdoor activities without the worry of sunburn, which contrasts sharply with the sun-soaked days of mid-summer. For more details, visit Avenches UV Index.

Maximum UV Index Levels in Avenches for December

The chart shows the monthly maximum UV Index (UVI) for Avenches 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 Avenches typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Avenches 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 Avenches

Nestled in picturesque Avenches, Switzerland, December brings a gentle drop in sunshine hours, with 178 hours illuminating the quaint town—a notable shift from the vibrant peak of summer. As July radiates with a bright 418 hours, the sun's retreat becomes apparent in the ensuing months, cascading down to 370 hours in May and 292 hours by March. Despite the cooler days, December's fleeting sunlight offers a cozy charm, transitioning smoothly from the autumn glow of November’s 216 hours. The trend reflects a welcoming embrace of winter’s serenity, where even the diminished daylight casts a warm glow over the scenic beauty of Avenches.

Monthly Sunshine Duration in Avenches: December Highlighted

The December sunshine duration represents the total number of hours Avenches 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h222h292h357h370h400h418h390h332h277h216h178h
Data source: Avenches December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Avenches During December

As December rolls into Avenches, Switzerland, the likelihood of sunny weather stands at a modest 25%, providing a glimpse of brightness amid the winter chill. This marks a slight increase from the preceding month of November, which recorded just 24% sun exposure. Observing the year as a whole, a trend emerges where the sun’s presence peaks during spring, with April at an impressive 49%, while winter months generally see lower chances of sunshine. Although December is not the sunniest time of year, the subtle uptick from November hints at the possibility of cheerful winter days amidst the season's typical grayness.

Percentage of Sunny Days in December in Avenches

The chart illustrates the percentage of sunny days in Avenches 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 Avenches experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%34%45%49%31%31%35%37%36%33%24%25%
Data source: Avenches December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Avenches in December

In Avenches, Switzerland, the pattern of daylight throughout the year reveals a rhythmic cycle influenced by the changing seasons. December stands at the lower end of this spectrum, offering just 8 hours of daylight, akin to January's brief light. As the year progresses, daylight gradually extends, peaking during the vibrant months of May through July, where residents enjoy 15 hours of sunshine. This luxurious stretch of light begins to wane as summer gives way to autumn and, further into winter, daylight diminishes once more. The transition from long, sun-drenched days of summer to the short, cozy hours of winter paints a vivid picture of the natural ebb and flow of time in Avenches, encouraging residents to embrace both the warmth of longer days and the serene stillness of December's twilight.

Average Daylight Hours in Avenches for December

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

December Winds in Avenches

As the year winds down in Avenches, Switzerland, December brings a refreshing shift with an average wind speed of 2.5 m/s (6 mph). This slight uptick from the more temperate months of June through September, when wind speeds dipped to their lowest, suggests a subtle embrace of winter's chill. Interestingly, December's winds mirror those seen earlier in the spring, with consistent breezes nudging a transition towards the cozy season. On average, the late fall's gusts hold steady, emphasizing a trend where Avenches enjoys a gentle yet invigorating wind, particularly during the transitional periods of April, May, and December. This seasonal rhythm enhances the charm of the ancient town, creating a backdrop of serene yet vibrant atmospheric changes.

Average December Wind Speed in Avenches

The chart displays monthly wind speed patterns in Avenches, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.32.42.62.71.72.01.91.62.12.12.5 m/s
Data source: Avenches December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Avenches Compares to Other Months

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

December and January exhibit notable differences in weather patterns despite sharing similar humidity levels of 91%. In December, temperatures range from a minimum of -8°C (17°F) to a maximum of 12°C (54°F), with an average of 2°C (35°F) and significant precipitation totaling 158 mm (6.2 in) across 19 days. In contrast, January experiences colder conditions, with temperatures dropping to a minimum of -17°C (2°F) and an average of 0°C (32°F), while peaking at 14°C (58°F). The month sees less precipitation, totaling 109 mm (4.3 in) over 12 days. For a more detailed look at January’s weather specifically, you can check out Avenches weather in January.

December and February present distinct weather characteristics, reflecting the transition from late autumn to early spring. In December, temperatures typically range from a minimum of -8°C (17°F) to a maximum of 12°C (54°F), with an average of 2°C (35°F), while February showcases slightly colder nights down to -12°C (10°F) but warmer days reaching up to 17°C (62°F) and maintaining the same average of 2°C (37°F). Precipitation levels in December are noticeably higher at 158 mm (6.2 in) over 19 days, compared to February's 87 mm (3.4 in) over just 12 days, indicating a drier month. Humidity remains relatively high in both months, with December at 91% and February at 89%. For more specific insights, you can check Avenches weather in February.

December weather in Avenches is characterized by cooler temperatures, with a minimum of -8°C (17°F) and an average of 2°C (35°F), reaching a maximum of 12°C (54°F). The month also sees considerable precipitation, totaling 158 mm (6.2 in) over 19 days, accompanied by high humidity levels at 91%. In contrast, March brings a slight increase in average temperatures, with a minimum of -14°C (7°F) and a maximum of 20°C (68°F), averaging around 5°C (41°F). Although precipitation decreases to 114 mm (4.5 in) over 15 days, humidity remains relatively high at 87%. For more details, check out Avenches weather in March.

In December, temperatures typically range from a chilly minimum of -8°C (17°F) to a mild maximum of 12°C (54°F), with an average of around 2°C (35°F). The month sees substantial precipitation, totaling 158 mm (6.2 in) over 19 days, accompanied by high humidity levels averaging 91%. In contrast, April experiences a more temperate climate, with minimum temperatures of -6°C (21°F) and maximums reaching 24°C (76°F), leading to an average of 9°C (48°F). Precipitation drops significantly to 65 mm (2.6 in) across 12 days, and humidity levels also decrease to 84%. For a detailed look at Avenches weather, check out Avenches weather in April.

When comparing December and May weather, it's clear that they exhibit distinct characteristics. December experiences colder temperatures, with a minimum of -8°C (17°F) and an average of 2°C (35°F), while May offers much milder conditions, with a minimum of -2°C (29°F) and an average of 12°C (54°F). Precipitation levels are similar, with December seeing 158 mm (6.2 in) across 19 days and May recording 159 mm (6.3 in) over 18 days; however, December's higher humidity at 91% gives it a chillier feel compared to May's 80%. For a closer look at May weather patterns, you can check Avenches weather in May.

In December, the weather is significantly colder, with minimum temperatures dropping as low as -8°C (17°F) and an average of just 2°C (35°F), while the maximum reaches a mild 12°C (54°F). The month experiences considerable precipitation, with 158 mm (6.2 in) spread over 19 days, contributing to a high humidity level of 91%. In contrast, June offers a much warmer climate, with minimum temperatures of 6°C (43°F) and an average temperature of 17°C (63°F), peaking at 33°C (91°F). While June has a slightly lower total precipitation of 135 mm (5.3 in) over 18 days, the humidity is also lower at 82%, making it a more comfortable month overall. For a closer look at the weather conditions, you can explore Avenches weather in June.

December weather presents a stark contrast to that of July, with temperatures plunging to a minimum of -8°C (17°F) and averaging around 2°C (35°F), compared to July's milder min of 9°C (48°F) and an average of 18°C (66°F). While December experiences significant chilly conditions, bringing about 158 mm (6.2 in) of precipitation over 19 days, July sees slightly less rainfall at 145 mm (5.7 in) but has warmer weather with maxima reaching up to 34°C (94°F). Additionally, the humidity in December is notably higher at 91%, while July enjoys a slightly dryer atmosphere at 82%. For more specific details on July weather patterns in Avenches, check out Avenches weather in July.

When comparing the weather in December and August, the differences are striking. December experiences significantly colder temperatures, with averages around 2°C (35°F) and nighttime lows plunging to -8°C (17°F). In contrast, August boasts much warmer conditions, averaging 18°C (65°F) and reaching maximums of up to 33°C (92°F). Precipitation is relatively high in both months, with December receiving 158 mm (6.2 in) over 19 days and August seeing 130 mm (5.1 in) but over just 17 days. Additionally, December has a higher humidity level at 91%, compared to August’s 77%. For a closer look at August weather in Avenches, you can check Avenches weather in August.

In comparing the weather between December and September, it's evident that December is significantly colder and more humid. With temperatures ranging from a minimum of -8°C (17°F) to a maximum of 12°C (54°F), December experiences an average temperature of only 2°C (35°F). In contrast, September boasts milder temperatures, typically between 3°C (37°F) and 28°C (82°F), with a comfortable average of 14°C (58°F). Precipitation is also more prevalent in December, with 158 mm (6.2 in) falling over 19 days compared to 83 mm (3.3 in) over 12 days in September. Additionally, December's humidity reaches a peak at 91%, while September remains a tad lower at 81%. For a detailed overview of September weather, you can refer to Avenches weather in September.

When comparing the weather in December to that of October, notable differences emerge. December experiences significantly colder temperatures, with a minimum of -8°C (17°F) and an average of 2°C (35°F), while October offers milder conditions with a minimum of 0°C (32°F) and an average of 10°C (50°F). Precipitation also varies, with December receiving 158 mm (6.2 in) over 19 days, compared to October's 108 mm (4.3 in) over 13 days. Additionally, humidity levels are slightly higher in December at 91%, compared to October’s 89%, contributing to the chillier atmosphere. For a more detailed look at October's climate, check out Avenches weather in October.

In comparing the weather between November and December, December generally experiences colder temperatures, with a minimum of -8°C (17°F) and an average of 2°C (35°F), compared to November's milder minimum of -4°C (25°F) and average of 4°C (40°F). November also boasts a higher maximum temperature of 19°C (66°F), making it noticeably warmer than December, which peaks at 12°C (54°F). Furthermore, December sees a significant increase in precipitation, totaling 158 mm (6.2 in) over 19 days, whereas November has only 90 mm (3.5 in) across 14 days. The humidity remains relatively high in both months, with December at 91% and November at 89%. For a detailed look at the weather in November, you can visit Avenches weather in November.

Compare Avenches's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Avenches

As December settles in Avenches, the weather shifts noticeably, showcasing a blend of cool temperatures and frequent precipitation that sets it apart from the milder months of autumn. With an average chill that often drops below freezing, December brings a distinct crispness to the air, while the high humidity of 91% contributes to a damp atmosphere. The increased rainfall, totaling 158 mm across nearly 20 days, adds to the wintry ambiance, making December feel more austere and moody than its preceding months. For a deeper understanding of how these conditions shape the local climate year-round, visit Avenches Climate.