December Weather in Saint-Cergue, Switzerland

Last updated: August 27, 2025

Discover the enchanting December weather in Saint-Cergue, Switzerland, where winter casts a charming spell over this picturesque village. With maximum temperatures reaching 12°C (55°F), the cozy average settles around 3°C (38°F), while the crisp air can dip as low as -5°C (24°F). Expect a formidable 213 mm (8.4 in) of precipitation across 19 days, bringing a magical touch to the landscape with frosty mornings and snow-laden afternoons. The high humidity at 91% adds to the serene atmosphere, perfect for enjoying the seasonal beauty and outdoor adventures that this alpine gem has to offer.

December Temperature in Saint-Cergue

In December, Saint-Cergue, Switzerland, welcomes winter with a distinctive chill, characterized by minimum temperatures dipping to around -5°C (24°F). The town experiences an average temperature of 3°C (38°F), providing a brisk, refreshing atmosphere perfect for outdoor adventures. As the month unfolds, the maximum temperatures reach a moderate 12°C (55°F), hinting at occasional milder days during the day. This gradual transition into the winter season sets the stage for the enchanting snow-covered landscapes that the region is known for, making it an idyllic time for skiing and cozy chalet retreats. Overall, December’s cool temperatures reflect a steady decline from the preceding months, embodying the essence of a Swiss winter wonderland.

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

The chart illustrates December temperature patterns in Saint-Cergue, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Cergue, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363943495463676660524338
Data source: Temperature data for Saint-Cergue 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-Cergue

In December, Saint-Cergue, Switzerland, experiences a notable spike in precipitation, with an impressive 213 mm (8.4 in) of rainfall spread across 19 days. This marks a significant increase compared to earlier months, making December the wettest month of the year. The trend underscores the region's transition into winter, as moisture-laden air systems dominate, bringing with them regular showers. This peak in precipitation serves not only to replenish local water sources but also to enhance the enchanting winter landscape that attracts visitors and locals alike. As the year draws to a close, December’s dampness paves the way for a picturesque snowy season, highlighting the dynamic climatic patterns that characterize this Alpine gem.

December Precipitation Trends in Saint-Cergue

The chart displays monthly precipitation patterns in Saint-Cergue, 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-Cergue, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec127981406516312613012694121116213
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Cergue

In December, Saint-Cergue experiences a notable comeback in humidity, soaring back to 91%, parallel to the peak levels seen in January. This trend suggests a winter chill settling in, with moisture captivating the alpine air as the year wraps up. Notably, December shares the same high humidity as its predecessor month, November, which also measured at 89%. However, the overall descent from the more humid spring months — where values hovered around the 80% range — indicates a seasonal ebb characteristic of the colder months. As the tranquil landscapes are cloaked in winter's embrace, these humid conditions enhance the picturesque scenery, inviting both residents and visitors to savor the season's magic.

December Average Humidity in Saint-Cergue

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

In December, the UV Index in Saint-Cergue, Switzerland drops to a low level of 2, with a burn time of 45 minutes. This decline is consistent with the seasonal trend, as the region experiences its lowest UV exposure during winter months. After peaking in the summer with very high indices, the UV levels steadily decrease from November's moderate 3 to the comforting safety of December's category. With the fresh alpine air and snow-covered landscapes, December offers a perfect time for outdoor enthusiasts to enjoy the beautiful scenery without the worry of intense sun exposure. For more information on the UV Index throughout the year, visit Saint-Cergue UV Index.

Maximum UV Index Levels in Saint-Cergue for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Cergue 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-Cergue typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Saint-Cergue 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-Cergue

In December, Saint-Cergue experiences a transition into winter with 186 hours of sunshine, marking a gentle decline as the days grow shorter. This month's sunshine is a noticeable drop from the vibrant heights of July, which boasts 414 hours, and reflects a downward trend from the autumn months, where hours steadily decreased from 219 in November. Despite the cooler temperatures and shorter days, December’s radiant sunshine offers a serene backdrop, inviting visitors to savor the tranquil beauty of the Swiss landscape. As the year draws to a close, December’s light serves as a comforting reminder of nature’s ever-cycling rhythms, blending the warmth of sunlight with the crispness of approaching winter.

Monthly Sunshine Duration in Saint-Cergue: December Highlighted

The December sunshine duration represents the total number of hours Saint-Cergue 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.
JanFebMarAprMayJunJulAugSepOctNovDec159h226h292h351h352h394h414h384h327h281h219h186h
Data source: Saint-Cergue December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Cergue During December

In December, the likelihood of sunny weather in Saint-Cergue, Switzerland diminishes as the month progresses, with only a 25% chance of sunshine. This trend follows a pattern observed throughout the year, where the winter months typically see a decline in clear skies compared to the spring, which peaks at 50% in April. The data reveals that as temperatures drop from the more temperate months of May to November, the chances of sun during December also decrease significantly. Despite the occasional bright day, residents and visitors should brace for the cozy embrace of winter's clouds rather than expect a snowy landscape punctuated by radiant sunshine.

Percentage of Sunny Days in December in Saint-Cergue

The chart illustrates the percentage of sunny days in Saint-Cergue 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-Cergue experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%34%47%50%29%34%37%42%37%35%28%25%
Data source: Saint-Cergue December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Cergue in December

As December unfolds in Saint-Cergue, Switzerland, daylight begins to dwindle, offering just 8 hours of light—a stark contrast to the vibrant spring and summer months. Following a gradual increase throughout the year, where daylight reaches a peak of 15 hours in June and July, the day's length starts to recede after the summer solstice. By autumn, daylight narrows down to 10 hours in October before tapering to its winter low in December. This clear trend highlights the seasonal variations that define life in the Swiss Alps, where each month brings a distinct rhythm of light and shadow, making the long winter nights an integral part of the region's character.

Average Daylight Hours in Saint-Cergue for December

The chart illustrates the variation in daylight duration in Saint-Cergue throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 1m10h 19m11h 56m13h 36m15h 1m15h 44m15h 21m14h 5m12h 30m10h 50m9h 23m8h 37m
Data source: Saint-Cergue daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saint-Cergue

In December, the winds of Saint-Cergue gently whisper at an average speed of 2.2 m/s (5 mph), mirroring the calmness that descends upon this picturesque Swiss village as winter takes hold. As the year draws to a close, a subtle trend emerges: the wind speeds tend to dip in the warmer months, peaking modestly in the springtime. Despite the slight decreases in wind speed during the summer, December's breeziness offers a refreshing contrast as it settles into a comfortable rhythm. This consistent, gentle airflow not only enhances the charm of the Swiss landscape but also invites visitors to embrace the serene beauty of the season.

Average December Wind Speed in Saint-Cergue

The chart displays monthly wind speed patterns in Saint-Cergue, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.12.32.62.21.71.91.91.62.12.22.2 m/s
Data source: Saint-Cergue December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saint-Cergue Compares to Other Months

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

In December, temperatures typically range from a minimum of -5°C (24°F) to a maximum of 12°C (55°F), with an average of around 3°C (38°F). This month sees significant precipitation, averaging 213 mm (8.4 in) across 19 days, while humidity remains high at 91%. In contrast, January experiences slightly colder temperatures, with a minimum of -7°C (20°F) and an average of 2°C (36°F), peaking at 13°C (55°F). Precipitation decreases to 127 mm (5.0 in) over 12 days, while humidity stays constant at 91%. For a more detailed look at January's specific weather patterns, you can visit Saint-Cergue weather in January.

When comparing the weather in December and February, December tends to be slightly milder with average temperatures ranging from -5°C (24°F) to a maximum of 12°C (55°F). In contrast, February experiences a broader temperature range, with lows dropping to -11°C (13°F) and highs reaching up to 17°C (62°F). While December is characterized by higher precipitation at 213 mm (8.4 in) over 19 days, February sees significantly less rain, totaling 98 mm (3.9 in) over just 12 days. Humidity levels are comparable, with December slightly higher at 91%, while February rests at 89%. For a more detailed look at February's weather, you can check out Saint-Cergue weather in February.

December and March present distinct weather characteristics. In December, temperatures typically range from a minimum of -5°C (24°F) to a maximum of 12°C (55°F), with an average of 3°C (38°F). The month experiences significant precipitation, totaling 213 mm (8.4 in) over 19 days, and high humidity levels at 91%. In contrast, March features slightly colder mornings with a minimum of -9°C (16°F), but it can warm up considerably during the day, reaching up to 20°C (69°F) and averaging at 6°C (43°F). The month sees less rainfall, with 140 mm (5.5 in) over 14 days, and slightly lower humidity at 87%. For more detailed insights into March weather, you can visit Saint-Cergue weather in March.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 12°C (55°F) and an average of 3°C (38°F). The month is characterized by high precipitation levels of 213 mm (8.4 in) over 19 days, and a humidity of 91%, contributing to a damp and wintry atmosphere. In contrast, April sees a significant warming trend, with temperatures varying from -3°C (27°F) at night to a pleasant 24°C (76°F) during the day, and an average temperature of 9°C (49°F). Precipitation drops to 64 mm (2.5 in) over just 10 days, and humidity decreases slightly to 84%. This shift marks a transition from cold winter conditions to a more temperate spring climate. For more details on April weather in this locale, you can check Saint-Cergue weather in April.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 12°C (55°F), and an average temperature of around 3°C (38°F). This month experiences significant precipitation, with 213 mm (8.4 in) falling over 19 days, contributing to a high humidity level of 91%. In contrast, May brings a noticeable warming trend, with temperatures varying from a minimum of 0°C (33°F) to a comfortable maximum of 26°C (79°F) and an average of 12°C (55°F). Although May sees some rainfall as well—163 mm (6.4 in) over 17 days—the humidity is lower at 80%. For a detailed look at May weather, you can check Saint-Cergue weather in May.

When comparing the weather in December and June, it's clear that the two months exhibit vastly different climates. December experiences colder temperatures, with a minimum of -5°C (24°F) and an average of only 3°C (38°F), while June boasts much milder conditions, featuring a minimum of 8°C (47°F) and an average of 17°C (64°F). In terms of maximum temperatures, December peaks at 12°C (55°F), whereas June can soar up to 32°C (91°F).

Precipitation also varies, with December receiving significant rainfall of 213 mm (8.4 in) over 19 days, compared to June's 126 mm (5.0 in) across 15 days. Additionally, December's humidity is quite high at 91%, making the cold feel even more biting, while June’s humidity, although still relatively high, is a bit lower at 82%. For a more detailed look at the June climate in the area, you can check out Saint-Cergue weather in June.

December and July offer a striking contrast in weather conditions. In December, temperatures range from a chilly minimum of -5°C (24°F) to a mild maximum of 12°C (55°F), with an average of about 3°C (38°F). The month is characterized by high humidity at 91% and significant precipitation totaling 213 mm (8.4 in) over 19 days. In contrast, July boasts much warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching 33°C (91°F), averaging 19°C (67°F). The summer month experiences less precipitation, totaling 130 mm (5.1 in) over 15 days and slightly lower humidity at 82%. For more details about the summer climate, you can visit Saint-Cergue weather in July.

December and August present strikingly contrasting weather patterns. In December, temperatures range from a chilly -5°C (24°F) to a mild 12°C (55°F), with an average of 3°C (38°F). This month also experiences significant precipitation, totaling 213 mm (8.4 in) over 19 days, and high humidity levels at 91%. In contrast, August boasts warmer conditions, with minimum temperatures of 8°C (47°F) and maximums reaching up to 32°C (89°F), averaging around 19°C (66°F). Precipitation is less frequent, with only 126 mm (5.0 in) over 15 days, and humidity is notably lower at 77%. For more information, you can check Saint-Cergue weather in August.

When comparing the weather in December to September, it’s clear that December is significantly colder, with temperatures ranging from a minimum of -5°C (24°F) to an average of 3°C (38°F) and a maximum of 12°C (55°F). In contrast, September enjoys milder conditions, with temperatures varying from a minimum of 5°C (41°F) to an average of 15°C (60°F) and reaching up to 26°C (80°F). Additionally, December sees much higher precipitation levels at 213 mm (8.4 in) over 19 days, compared to September’s 94 mm (3.7 in) over 12 days. The humidity is also higher in December at 91%, compared to September's 81%. For more details on September's weather, you can check Saint-Cergue weather in September.

When comparing the weather in December and October, it’s clear that December is significantly colder and wetter. In December, temperatures range from a chilly -5°C (24°F) to a maximum of 12°C (55°F), with an average of just 3°C (38°F). Additionally, it experiences heavy precipitation, totaling 213 mm (8.4 in) over 19 days, contributing to a high humidity level of 91%. In contrast, October boasts milder temperatures, with a minimum of 1°C (34°F) and a comfortable average of 11°C (52°F), peaking at 22°C (71°F). Also, precipitation is lower in October, at 121 mm (4.8 in) over 13 days, with humidity slightly less at 89%. For a deeper look into the weather trends of October, you can check Saint-Cergue weather in October.

December weather is noticeably colder and more humid compared to November. The average temperature drops from 6°C (43°F) in November to 3°C (38°F) in December, with daily highs reaching only 12°C (55°F) in the latter month, whereas November often sees temperatures peaking at 17°C (64°F). Additionally, December experiences significantly more precipitation, totaling 213 mm (8.4 in) over 19 days, compared to November's 116 mm (4.6 in) over 14 days. The humidity also slightly increases from 89% in November to 91% in December, making the latter month feel even more damp and chilly. For more details on November weather, you can visit Saint-Cergue weather in November.

Compare Saint-Cergue's Climate with Cities Worldwide

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

December in Saint-Cergue brings a distinct chill compared to the milder months that precede it, with temperatures frequently dipping into the negatives and an average that's notably lower. This cool and crisp weather encourages cozy gatherings and winter sports, as precipitation is at its peak, leading to a delightful snowy landscape. With the air saturated at about 91% humidity, the atmosphere feels brisk, making it an ideal time for those who enjoy the invigorating essence of winter. For those curious about the overall climate patterns throughout the year, visit Saint-Cergue Climate.