December Weather in Saint-Ursanne, Switzerland

Last updated: August 27, 2025

In Saint-Ursanne, Switzerland, December brings a crisp and chilly atmosphere, with temperatures oscillating from a maximum of 13°C (56°F) to a minimum of -8°C (18°F), averaging around 2°C (36°F). This winter month experiences notable precipitation, totaling 138 mm (5.4 in) over approximately 19 days, contributing to the region’s lush scenery. Coupled with a high humidity level of 91%, December in Saint-Ursanne paints a picturesque yet frosty setting, inviting visitors to embrace the beauty of the Swiss winter landscape.

December Temperature in Saint-Ursanne

In Saint-Ursanne, Switzerland, December presents a chilly embrace as winter settles in, with temperatures typically ranging from a brisk -8°C (18°F) at night to a mild 13°C (56°F) during the day. This month marks a noticeable drop from the preceding fall, reflected in the average temperature of 2°C (36°F). As the year draws to a close, residents and visitors can expect a festive atmosphere, accentuated by the serene beauty of the snow-dusted landscape. The trend of gradually descending temperatures is evident, signaling the approach of the coldest months ahead, yet the highs still offer a hint of warmth in the otherwise frosty scene.

December Weather in Saint-Ursanne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Ursanne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Ursanne, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333742485564666658504036
Data source: Temperature data for Saint-Ursanne 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 Saint-Ursanne

In December, Saint-Ursanne experiences a notable uptick in precipitation, with 138 mm (5.4 in) of rain falling over the course of 19 days. This marks a significant increase compared to the previous month, November, which received only 84 mm (3.3 in) from 13 days of rainfall. The trend suggests that as the year winds down, the region transitions into a wetter phase, characteristic of the winter months. As December unfolds, residents and visitors can expect a more frequent embrace of rain, contributing to the season's lush landscapes. This heightened precipitation not only enriches the town's natural beauty but also signals a shift towards the cold, damp conditions typical of Swiss winters.

December Precipitation Trends in Saint-Ursanne

The chart displays monthly precipitation patterns in Saint-Ursanne, 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 Saint-Ursanne, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec9884100671561411501528210484138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Ursanne

As December rolls into Saint-Ursanne, Switzerland, the chill of winter brings along a notable rise in humidity, reaching 91%. This trend marks a return to the higher humidity levels seen at the start of the year, reminiscent of January's damp atmosphere. Throughout the year, humidity fluctuates, peaking in winter months and dipping in the summer, with a low of 77% in August. Notably, November sees a humidity level of 89%, setting the stage for December's moist embrace. As temperatures drop, the increased humidity contributes to the crisp, refreshing air typical of the season, highlighting the cyclical nature of Saint-Ursanne's climate and providing a picturesque backdrop to this charming Swiss town.

December Average Humidity in Saint-Ursanne

This chart illustrates the average monthly humidity levels in Saint-Ursanne, 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 Saint-Ursanne 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 Saint-Ursanne

In December, Saint-Ursanne experiences a UV Index of 2, categorizing the sun's rays as low, which makes it a relatively safe time for outdoor activities. With a burn time of about 45 minutes, residents and visitors can enjoy the crisp winter air without the heightened risk of sunburn that characterizes the sunnier months. Looking back over the year, there’s a clear trend: as the seasons shift from the cold of winter to the warmth of summer, the UV Index escalates from low levels in January, February, and November, to a peak of 9 during the summer months of June and July. Citizens should remain mindful of these seasonal changes and adapt their sun protection habits accordingly. To learn more about UV levels throughout the year, visit Saint-Ursanne UV Index.

Maximum UV Index Levels in Saint-Ursanne for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Ursanne 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 Saint-Ursanne typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Saint-Ursanne 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 Saint-Ursanne

In Saint-Ursanne, Switzerland, the month of December brings a gentle decline in sunshine, with 183 hours illuminating the winter landscape. This marks a noticeable shift from the vibrant daylight of summer months like July, which basks in 418 hours of sun. As the year wanes, sunshine hours gradually lessen, with June and July boasting the year’s peak, while January sees the least at 159 hours. Despite the shorter days, December's charm lies in the serene beauty of the surroundings, inviting visitors to enjoy the crisp air and stunning views, creating a perfect backdrop for winter adventures. This cyclical rhythm of sunlight not only reflects the changing seasons but also enhances the enchanting allure of Saint-Ursanne throughout the year.

Monthly Sunshine Duration in Saint-Ursanne: December Highlighted

The December sunshine duration represents the total number of hours Saint-Ursanne 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.
JanFebMarAprMayJunJulAugSepOctNovDec159h224h296h358h370h394h418h388h329h281h222h183h
Data source: Saint-Ursanne December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Ursanne During December

In December, the likelihood of enjoying sunny weather in Saint-Ursanne, Switzerland is relatively modest at 25%, which shows a slight increase from the preceding month's 24%. As the year transitions from late autumn to winter, the probability of sun remains low compared to the spring months, where the chances soar significantly—peaking at 51% in April. The winter months generally present fewer sunny days, but December offers a glimmer of hope for those seeking a break from cloud cover. While the overall trend indicates a consistent decline in sunshine from January through November, December’s stability suggests a hint of brightness before the full grip of winter sets in.

Percentage of Sunny Days in December in Saint-Ursanne

The chart illustrates the percentage of sunny days in Saint-Ursanne 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 Saint-Ursanne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%35%46%51%32%31%37%38%40%33%24%25%
Data source: Saint-Ursanne December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Ursanne in December

In Saint-Ursanne, Switzerland, December ushers in the winter solstice, marking a significant reduction in daylight with only 8 hours available. This pattern is part of a larger trend that sees daylight gradually increasing from the depths of winter in December, where daylight lingers at its lowest, to a peak in the summer months of June through July, when the sun graces the town for about 15 hours. As the year progresses, March and April provide promising increases, showcasing nature's slow but steady awakening. The gentle decline from August to November prepares residents for the shorter days ahead, ultimately leading back to the intimate, cozy illumination of December. Thus, throughout the year, Saint-Ursanne experiences a captivating rhythm of light, highlighting the beauty of each season's unique characteristics.

Average Daylight Hours in Saint-Ursanne for December

The chart illustrates the variation in daylight duration in Saint-Ursanne throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 56m13h 38m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m
Data source: Saint-Ursanne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saint-Ursanne

In December, the picturesque village of Saint-Ursanne experiences a breath of fresh air, with an average wind speed of 2.5 m/s (6 mph). As the year draws to a close, the winds pick up slightly compared to the calmer summer months, which saw averages below 2.0 m/s. This gradual increase from the gentle breezes of June to the more vibrant gusts of December hints at the changing seasons and the lively character of winter. Notably, December stands out with wind conditions that invigorate the chilly atmosphere, creating a serene yet dynamic environment that encapsulates the beauty of this Swiss gem as it welcomes the new year.

Average December Wind Speed in Saint-Ursanne

The chart displays monthly wind speed patterns in Saint-Ursanne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.32.42.42.81.72.01.91.72.02.12.5 m/s
Data source: Saint-Ursanne December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saint-Ursanne Compares to Other Months

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

In December, temperatures in Saint-Ursanne range from a minimum of -8°C (18°F) to a maximum of 13°C (56°F), with an average temperature of around 2°C (36°F). The month sees substantial precipitation, totaling 138 mm (5.4 in) spread over 19 days, all while maintaining a high humidity level of 91%. In contrast, January experiences colder temperatures with a minimum of -14°C (8°F) and a slightly higher maximum of 15°C (59°F), yielding an average of 1°C (33°F). Precipitation decreases to 98 mm (3.9 in) over 13 days, yet humidity remains constant at 91%. For more detailed information on January's weather in this region, you can visit Saint-Ursanne weather in January.

December typically experiences slightly milder temperatures compared to February, with an average of 2°C (36°F) and a maximum of 13°C (56°F). In contrast, February sees a lower minimum temperature of -13°C (8°F) but averages around 3°C (38°F), peaking at 17°C (64°F). December also has more precipitation, totaling 138 mm (5.4 in) over 19 days, while February has a decrease in both total precipitation and rainy days, with 84 mm (3.3 in) over 12 days. The humidity remains high in both months, at 91% in December and slightly lower at 89% in February. For more details on February weather, you can check out Saint-Ursanne weather in February.

In comparing the weather between December and March, December experiences colder temperatures with a minimum of -8°C (18°F) and an average of 2°C (36°F), while March sees slightly milder temperatures, with average lows dropping to -13°C (9°F) but climbing to a maximum of 21°C (69°F). While December has higher overall precipitation at 138 mm (5.4 in) spread over 19 days, March brings slightly less precipitation at 100 mm (3.9 in) over 16 days. Humidity levels remain relatively high in both months, with December averaging at 91% and March at 87%. For a more detailed look at March weather, you can check Saint-Ursanne weather in March.

December and April present contrasting weather patterns. In December, temperatures can dip as low as -8°C (18°F), with an average around 2°C (36°F) and highs reaching up to 13°C (56°F). The month is notably wet, with 138 mm (5.4 in) of precipitation spread across 19 days, resulting in a high humidity level of 91%.

In contrast, April brings milder conditions, with minimum temperatures around -5°C (23°F) and average highs of 25°C (77°F). The month experiences significantly less precipitation at 67 mm (2.6 in) over 11 days and a slightly lower humidity of 84%. This warmer and drier weather in April marks a clear transition into spring. For more details on April weather specifics, visit Saint-Ursanne weather in April.

In comparing December and May weather, December presents much colder conditions, with average temperatures around 2°C (36°F) and nighttime lows plummeting to -8°C (18°F). This month sees significant precipitation (138 mm or 5.4 in) over 19 days, along with high humidity levels reaching 91%, contributing to a stark winter atmosphere.

In contrast, May ushers in milder temperatures, with averages rising to 13°C (55°F) and daytime highs reaching up to 29°C (85°F). Though May experiences slightly higher precipitation at 156 mm (6.1 in) over 18 days, the humidity is lower at 80%, offering a more pleasant spring feel. For those interested in the specifics of weather patterns, you can explore more at Saint-Ursanne weather in May.

December and June present contrasting weather conditions in terms of both temperature and humidity. December experiences a chilly climate, with average temperatures hovering around 2°C (36°F) and lows plummeting to -8°C (18°F). This month sees significant precipitation, totaling 138 mm (5.4 in) across about 19 days and high humidity at 91%. In contrast, June boasts a much warmer average temperature of 18°C (64°F), with highs reaching up to 33°C (92°F) and only a slight increase in precipitation to 141 mm (5.6 in) over 17 days. The humidity during June, while still notable, is lower at 82%. For a detailed look at June’s weather, you can visit Saint-Ursanne weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly -8°C (18°F) at night to a maximum of 13°C (56°F) during the day, with an average of around 2°C (36°F). The month sees significant precipitation, totaling 138 mm (5.4 in) over 19 days, and humidity averages a high 91%, contributing to a damp and cold atmosphere. In contrast, July experiences much warmer temperatures, with lows of 8°C (46°F) and highs reaching up to 35°C (95°F), averaging around 19°C (67°F). Although July has slightly more precipitation at 150 mm (5.9 in), it occurs over fewer days (15 days), and humidity is lower at 82%, resulting in a more comfortable and sunny climate. For a closer look at July weather, visit Saint-Ursanne weather in July.

December and August present contrasting weather conditions. In December, temperatures can drop as low as -8°C (18°F), with an average around 2°C (36°F), and highs reaching only 13°C (56°F). The humidity is notably high at 91%, and the month sees precipitation on 19 days, totaling 138 mm (5.4 in). In stark contrast, August boasts milder temperatures, with a minimum of 6°C (44°F) and an average of 19°C (66°F), peaking at 33°C (92°F). Although August experiences slightly more precipitation at 152 mm (6.0 in) over 16 days, the lower humidity at 77% makes the warmth feel more comfortable. For more details, check Saint-Ursanne weather in August.

In comparing December and September weather, December is significantly colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 13°C (56°F), while September offers milder conditions with temperatures from 1°C (34°F) to 29°C (84°F). Precipitation is more frequent in December, with 138 mm (5.4 in) over 19 days, compared to September's 82 mm (3.2 in) spread over 12 days. Additionally, December has higher humidity at 91%, in contrast to September's 81%, making the winter month feel even chillier. For more specific details on September's weather, visit Saint-Ursanne weather in September.

December and October have markedly different weather patterns. In December, temperatures can drop to a chilling minimum of -8°C (18°F), with an average temperature of around 2°C (36°F) and a maximum reaching 13°C (56°F). This month experiences significant precipitation, totaling 138 mm (5.4 in) over 19 days, accompanied by high humidity levels at 91%. In contrast, October boasts milder temperatures, with lows of -2°C (29°F) and averages around 10°C (50°F), peaking at a comfortable 23°C (73°F). This month also sees less precipitation, at 104 mm (4.1 in) over 13 days, and slightly lower humidity at 89%. For more detailed insights, check out Saint-Ursanne weather in October.

December typically experiences colder temperatures compared to November, with nightly lows reaching as low as -8°C (18°F) in December, while November’s minimum is slightly milder at -4°C (25°F). Average daytime temperatures in December hover around 2°C (36°F), a drop from November’s average of 4°C (40°F), and maximum temperatures in December rarely exceed 13°C (56°F), compared to November's maximum of 20°C (68°F). Additionally, December sees increased precipitation, totaling 138 mm (5.4 in) over 19 days, compared to 84 mm (3.3 in) over 13 days in November. With humidity levels higher in December at 91%, the overall feel can be quite damp, contrasting with November's slightly lower humidity of 89%. For more detailed insights, you can visit Saint-Ursanne weather in November.

Compare Saint-Ursanne's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Saint-Ursanne

As December blankets Saint-Ursanne in winter's embrace, the weather stands in stark contrast to the milder months preceding it. With a prominent chill in the air, average temperatures dip significantly, often hovering around freezing, while the crisp atmosphere is accompanied by a high humidity level. The month also witnesses a noticeable uptick in precipitation, with nearly two-thirds of days receiving some form of moisture, creating a serene yet wet landscape. This shift beckons both locals and visitors to enjoy the unique beauty of the region during this cozy season. For a more detailed overview, explore the full nuances of Saint-Ursanne Climate.