December Weather in Silvaplana, Switzerland

Last updated: August 27, 2025

In Silvaplana, Switzerland, December unveils a winter wonderland characterized by chilly temperatures, where the maximum hovers around 2°C (37°F) and the average drops to a brisk -9°C (16°F). The month can get particularly frigid, with lows plunging to -26°C (-14°F). December is also marked by significant precipitation, accumulating to about 125 mm (4.9 in) over approximately 15 days, contributing to a high humidity level of 90%. This blend of cold air and moisture creates an enchanting atmosphere, perfect for winter sports enthusiasts and those seeking to enjoy the serene beauty of the Swiss Alps.

December Temperature in Silvaplana

In December, Silvaplana, Switzerland, showcases a frigid embrace as winter settles in, with temperatures ranging from a chilly -26°C (-14°F) at night to a daytime average of -9°C (16°F). This month typically sees a maximum temperature reaching only 2°C (37°F), indicating that the region is firmly in the grip of winter. Comparing December to the preceding months, it's evident that temperatures continue to drop, following a trend established in November where the average hovered around -4°C (25°F). As the year winds down, the cold intensifies, transforming Silvaplana into a picturesque winter landscape, perfect for snowsports and cozy alpine retreats.

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

The chart illustrates December temperature patterns in Silvaplana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silvaplana, 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).
JanFebMarAprMayJunJulAugSepOctNovDec121823303848515143362516
Data source: Temperature data for Silvaplana 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 Silvaplana

In December, Silvaplana experiences a notable shift as the year draws to a close, with precipitation amounting to 125 mm (4.9 in), marking one of the higher totals of the winter season. This month typically sees rain and snow combined over 15 precipitation days, contributing to the region's enchanting winter landscape. As compared to the preceding autumn months, December's precipitation is significant, while still lower than the peak of August's 195 mm (7.7 in). The trend reveals that while the annual precipitation peaks in the warm summer months, winter brings its own steady rhythm of moisture, essential for the local ecosystem and winter sports enthusiasts alike.

December Precipitation Trends in Silvaplana

The chart displays monthly precipitation patterns in Silvaplana, 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 Silvaplana, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec75599099150160159195127148132125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Silvaplana

In Silvaplana, Switzerland, December ushers in a humidity level of 90%, reflecting a subtle yet significant trend as it aligns closely with the extremes noted in both January and October. Throughout the year, humidity tends to fluctuate, peaking in the winter months and showcasing remarkable consistency as it hovers between 90% and the mid-80s during milder months. After a gradual decline from 92% in January, December marks a return to a damp climate typical of the colder season, bridging the gap between autumn's lingering humidity of 88% and the surging chill of winter. This trend highlights Silvaplana's distinct seasonal characteristics, making December a month where crisp air and a moist atmosphere combine to create a unique alpine ambiance.

December Average Humidity in Silvaplana

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

As winter blankets Silvaplana, December brings an UV Index of 2, categorized as low, which indicates a significant decrease in solar intensity compared to the bustling summer months. With a burn time of 45 minutes, this month offers a respite from the aggressive sun exposure of earlier seasons. Observing a clear trend throughout the year, the UV Index spikes in the spring and summer, peaking at 10 in June and July, demanding vigilant sun protection, while autumn and winter provide an opportunity for less concern about UV exposure. For more detailed information on UV levels throughout the year, visit Silvaplana UV Index.

Maximum UV Index Levels in Silvaplana for December

The chart shows the monthly maximum UV Index (UVI) for Silvaplana 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 Silvaplana typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097632
Data source: Silvaplana 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 Silvaplana

In Silvaplana, Switzerland, December's sunshine graces the landscape with 199 hours of daylight, marking a gentle decline as winter settles in. This month serves as a transition, notably lower than the vibrant displays of sun in the spring and summer months—where June shines the brightest with 386 hours. As the year progresses, the trend clearly reveals a peak of daylight in the middle months, with March and April basking in the sun's warmth, showing 310 and 336 hours respectively. December's softer light hints at the shorter days typical of winter, foreshadowing the return of longer, sun-filled days as the year turns toward spring once again.

Monthly Sunshine Duration in Silvaplana: December Highlighted

The December sunshine duration represents the total number of hours Silvaplana 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h236h310h336h359h386h410h366h309h276h204h199h
Data source: Silvaplana December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Silvaplana During December

In Silvaplana, Switzerland, the likelihood of sunny weather in December stands at 34%, a notable uptick compared to the colder months preceding it. As winter sets in, the chances of sunshine hover slightly above the lowest recorded rates earlier in the year, such as in November and October. December offers a refreshing glimmer in the typically cloudy season, showcasing a resilience in sunny spells that hints at the transition toward spring. This trend of fluctuating sun chances throughout the year highlights the distinctive charm of Silvaplana's winter landscape, where even the shorter days hold promise for bright moments amidst the snow-draped beauty.

Percentage of Sunny Days in December in Silvaplana

The chart illustrates the percentage of sunny days in Silvaplana 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 Silvaplana experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%37%40%35%28%27%28%32%26%35%25%34%
Data source: Silvaplana December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Silvaplana in December

As the year draws to a close in Silvaplana, Switzerland, December offers the least daylight, with just 8 hours of sun. This marks a gentle decline from the longer days of the summer months, when sunlight lasts up to 15 hours in June, July, and August. As autumn unfolds, daylight gradually diminishes from 12 hours in September to a mere 9 hours in November. The trend reveals a natural rhythm of increasing daylight from January's 9 hours to the mid-year peak, followed by a gradual retreat into the winter months. December encapsulates this seasonal ebb, inviting a cozy atmosphere perfect for reflection and enjoyment of the beautiful alpine scenery.

Average Daylight Hours in Silvaplana for December

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

December Winds in Silvaplana

In December, Silvaplana experiences a gentle breeze with an average wind speed of 1.7 m/s (4 mph), maintaining a consistency seen throughout the year. The wind picks up slightly compared to the late fall months, providing a refreshing chill that complements the snowy landscapes. Interestingly, December's wind speed mirrors the peaks observed during the summer months of May, June, and July, suggesting a seasonal transition characterized by stability rather than dramatic shifts. This refreshing December air enhances the charm of Silvaplana, making it an ideal destination for winter sports enthusiasts and nature lovers alike.

Average December Wind Speed in Silvaplana

The chart displays monthly wind speed patterns in Silvaplana, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.21.61.61.71.71.71.51.21.61.41.7 m/s
Data source: Silvaplana December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Silvaplana Compares to Other Months

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

In December, the weather is quite cold, with minimum temperatures averaging around -26°C (-14°F) and reaching an average of -9°C (16°F). The month experiences significant precipitation, totaling 125 mm (4.9 in) over 15 days, coupled with a high humidity level of 90%. In contrast, January is slightly colder at the lower end, with minimum temperatures of -27°C (-17°F) and an average temperature of -11°C (12°F). However, it experiences less precipitation, with only 75 mm (2.9 in) over 10 days, and slightly higher humidity at 92%. For more details about the weather in January, you can visit Silvaplana weather in January.

In comparing the weather between December and February, December tends to be slightly milder with an average temperature of -9°C (16°F), while February averages at -8°C (18°F). However, February often sees colder minimum temperatures, dipping down to -28°C (-18°F), whereas December's lowest is a comparatively warmer -26°C (-14°F). Precipitation also differs, with December experiencing 125 mm (4.9 in) over 15 days compared to February’s more moderate 59 mm (2.3 in) over 11 days. Humidity levels are similar, with December at 90% and February at 89%. For more details on February weather specifically, you can check Silvaplana weather in February.

December and March present contrasting aspects of winter weather. In December, temperatures range from a chilling minimum of -26°C (-14°F) to a maximum of 2°C (37°F), averaging -9°C (16°F). The month is characterized by high humidity at 90% and considerable precipitation totaling 125 mm (4.9 in) over 15 days. In contrast, March sees a slightly milder climate, with temperatures fluctuating from -26°C (-14°F) at the lowest to a pleasant maximum of 11°C (52°F), averaging -5°C (23°F). Precipitation decreases to 90 mm (3.5 in) over 13 days, while humidity remains relatively high at 87%. The transition from December to March clearly illustrates a shift toward warmer days and less precipitation, making March a more inviting time for outdoor activities. For more details, you can check Silvaplana weather in March.

In December, the weather is quite frigid, with temperatures ranging from a minimum of -26°C (-14°F) to an average of -9°C (16°F), and reaching a maximum of just 2°C (37°F). The month experiences considerable precipitation, totaling 125 mm (4.9 in) over approximately 15 days, accompanied by high humidity levels of 90%. Conversely, in April, the weather begins to warm up considerably, with temperatures ranging from a minimum of -19°C (-1°F) to an average of -1°C (31°F), peaking at 12°C (54°F). Precipitation decreases slightly to 99 mm (3.9 in) across 12 days, and humidity also lowers to 84%. For a detailed look at how April unfolds in this region, you can check Silvaplana weather in April.

In December, temperatures plunge with an average of -9°C (16°F) and a maximum of just 2°C (37°F), creating a cold and frigid atmosphere. The month experiences high humidity at 90%, and precipitation is notable, averaging 125 mm (4.9 in) spread over 15 days. In contrast, May brings a significant warming trend, where temperatures range from a minimum of -13°C (8°F) to a comfortable average of 3°C (38°F) and a maximum of 18°C (65°F). Though May sees slightly more precipitation at 150 mm (5.9 in), it falls over 22 days with a lower humidity of 80%. For a closer look at the weather patterns during this month, you can visit Silvaplana weather in May.

December and June present quite contrasting weather conditions. In December, temperatures can plummet to a minimum of -26°C (-14°F), with an average of -9°C (16°F) and a maximum of just 2°C (37°F). The month sees about 125 mm (4.9 in) of precipitation over 15 days, accompanied by high humidity levels of 90%. In contrast, June experiences a more moderate climate, with temperatures ranging from a minimum of -2°C (28°F) to a pleasant maximum of 25°C (77°F) and an average of 9°C (49°F). Rainfall slightly increases to 159 mm (6.3 in) spread over 19 days, with lower humidity at 82%. For a detailed look at weather trends in this summer month, you can check Silvaplana weather in June.

December and July showcase stark contrasts in weather conditions. December experiences frigid temperatures, with lows plunging to -26°C (-14°F) and an average around -9°C (16°F), while highs barely reach 2°C (37°F). The month is characterized by significant precipitation, with cumulative totals of 125 mm (4.9 in) occurring over 15 days and a high humidity level of 90%. In sharp contrast, July offers a much milder climate, marked by minimum temperatures of 0°C (33°F), average temps of 10°C (51°F), and a maximum of 23°C (73°F). Precipitation slightly increases to 159 mm (6.3 in) over 21 days, but humidity is lower at 83%. For more details about the summer weather, you can visit Silvaplana weather in July.

In December, the weather is characterized by frigid temperatures, with minimums plummeting to -26°C (-14°F) and average daily highs around -9°C (16°F). This winter month experiences significant precipitation, totaling 125 mm (4.9 in) over approximately 15 days, contributing to a high humidity level of 90%.

In contrast, August brings a much milder and more pleasant climate, with temperatures ranging from a minimum of 0°C (33°F) to maximums reaching 21°C (70°F) and an average temperature of 10°C (51°F). However, it has slightly more rainfall at 195 mm (7.7 in) spread over 21 days, accompanied by lower humidity at 80%.

For more details about weather in August, visit Silvaplana weather in August.

In December, the weather in Silvaplana is quite harsh, with temperatures plummeting to a minimum of -26°C (-14°F) and averaging around -9°C (16°F). The maximum temperature reaches only 2°C (37°F), and the month sees significant precipitation totaling 125 mm (4.9 in) over 15 days, coupled with a high humidity of 90%. In contrast, September offers a much milder climate, with minimum temperatures around -12°C (11°F) and an average of 6°C (44°F), peaking at a comfortable 18°C (65°F). The precipitation in September is slightly higher at 126 mm (5.0 in) over the same number of days, but the humidity is lower at 83%. For a detailed overview of September weather, visit Silvaplana weather in September.

In comparing the weather of December and October, we observe marked differences in temperature and precipitation. December typically experiences much colder conditions, with average temperatures ranging from a frigid -26°C (-14°F) at night to a maximum of just 2°C (37°F) during the day. In contrast, October sees milder temperatures, averaging around 2°C (36°F) to a peak of 14°C (57°F) during the day.

Precipitation levels are also noteworthy; December receives about 125 mm (4.9 in) over approximately 15 days, while October has slightly higher precipitation at 148 mm (5.8 in) across 11 days. Both months share the same high humidity of 90%, which contributes to a chill in the air, but the overall climate in December is significantly harsher. For a closer look at October weather specifics, you can check Silvaplana weather in October.

In comparing the weather between November and December, December tends to be colder overall. While November has a minimum temperature of -22°C (-8°F) and an average of -4°C (25°F), December’s minimum drops to -26°C (-14°F) with an average temperature of -9°C (16°F). The maximum temperature in November reaches 8°C (47°F), whereas December only peaks at 2°C (37°F). Precipitation levels are relatively similar, with December receiving 125 mm (4.9 in) over 15 days compared to November's 132 mm (5.2 in) over 14 days. Humidity is slightly higher in December at 90%, compared to November's 88%. For more details on the weather in November, you can visit Silvaplana weather in November.

Compare Silvaplana's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Silvaplana

December in Silvaplana ushers in a distinct chill, with temperatures plummeting to their annual lows, contrasting sharply with the milder months preceding it. The serene beauty of snow-laden landscapes is accompanied by a notable increase in precipitation, making these wintry conditions a hallmark of the month. With a high humidity of 90%, the air feels particularly crisp, adding to the enchanting alpine atmosphere. The combination of frost and frequent precipitation leads to a picturesque winter wonderland that sets December apart from the rest of the year. For a deeper dive into Silvaplana's seasonal climate patterns, visit Silvaplana Climate.