December Weather in Appenzell, Switzerland

Last updated: August 27, 2025

December in Appenzell, Switzerland, offers a captivating blend of winter charm and seasonal variability. With maximum temperatures reaching a mild 12°C (54°F) and dipping to a chilling minimum of -17°C (2°F), this month highlights the region's diverse climate. The average temperature settles around -1°C (31°F), providing an invigorating atmosphere perfect for winter activities. Visitors should be prepared for significant rainfall, with 156 mm (6.2 in) distributed over 18 days, contributing to the region's lush scenery. High humidity levels of 90% amplify the crisp winter air, making December in Appenzell a truly enchanting experience for those seeking the magic of the Swiss Alps in winter.

December Temperature in Appenzell

As December rolls into Appenzell, Switzerland, temperatures begin to plummet, showcasing the region's chilly winter climate. With a minimum temperature dipping down to -17°C (2°F), even the heartiest of residents feel the bite of winter. The average temperature sits around -1°C (31°F), a stark contrast to the mild autumn just left behind. As daylight wanes, the maximums managed to reach only 12°C (54°F), signaling that snow can often blanket the landscape, transforming it into a winter wonderland. This month marks the transition into the coldest season, highlighting the beauty and serene charm that Appenzell offers in December.

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

The chart illustrates December temperature patterns in Appenzell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appenzell, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283338455261626255483931
Data source: Temperature data for Appenzell 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 Appenzell

In Appenzell, Switzerland, December marks a notable shift in precipitation patterns, with an average of 156 mm (6.2 in) of rainfall over 18 days. This increase in moisture showcases the region's transition from the drier autumn months, such as November, which only received 88 mm (3.5 in) across 11 days. Interestingly, while December's precipitation is slightly lower than the summer peak in August (233 mm), it underscores a consistent winter trend where precipitation starts to rise again. The 18 rainy days in December reflect a stark contrast to the preceding months, indicating that the region is well into the grips of winter, as snow and rain become more frequent, enriching Appenzell's picturesque landscape.

December Precipitation Trends in Appenzell

The chart displays monthly precipitation patterns in Appenzell, 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 Appenzell, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1359712310318319121123315814288156
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Appenzell

In December, Appenzell experiences a noticeable surge in humidity, peaking at 90%, a figure that mirrors the high moisture levels of both January and October. This trend of elevated humidity during the colder months contrasts sharply with the slightly lower levels seen as the year progresses, particularly in the spring, where April and May record 84% and 80%, respectively. As winter sets in, the atmosphere remains rich with moisture, enhancing the cozy charm of Appenzell during this time. With December's humidity aligning closely with that of the early months, it's clear that the region values its wintery embrace, providing a warm contrast to the crisp alpine air outside.

December Average Humidity in Appenzell

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

In December, Appenzell sees a notable shift in its UV Index, dropping to 2, which falls within the low exposure category. This means that residents and visitors alike can enjoy outdoor activities without the immediate concern of sunburn, as the burn time extends to a comfortable 45 minutes. Following a trend of increasing UV exposure during the warmer months, December's lower index offers a welcome respite from the very high levels felt in the summer, like July's peak of 10. As the year winds down, it's essential to remember that while UV radiation decreases, protective measures are still recommended during prolonged sun exposure, even in winter. For more detailed insights, check out Appenzell UV Index.

Maximum UV Index Levels in Appenzell for December

The chart shows the monthly maximum UV Index (UVI) for Appenzell 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 Appenzell typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24678101087532
Data source: Appenzell 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 Appenzell

In December, Appenzell, Switzerland, basks in a modest 192 hours of sunshine, a figure that reflects a gradual decrease from the vibrant 370 hours seen in May. This trend of diminishing daylight mirrors the shift towards winter, where sunlight dwindles as the year comes to a close. Interestingly, December's sunshine totals are still vibrant compared to the harsh winter months ahead, maintaining a cozy charm that complements the region's stunning alpine scenery. The consistent decline in sunshine from the summer peak of 409 hours in July hints at the seasonal rhythm that defines this picturesque Swiss village, where even the softer light of December has its own unique allure.

Monthly Sunshine Duration in Appenzell: December Highlighted

The December sunshine duration represents the total number of hours Appenzell 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h235h306h357h370h390h409h376h316h282h223h192h
Data source: Appenzell December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Appenzell During December

In Appenzell, Switzerland, December offers a moderate likelihood of sunny weather, with a 35% chance of sunshine. While this figure is an improvement from the gloom of January, it still falls short of the sunnier months like March and April, which boast probabilities over 40%. Interestingly, the chance of sunny days in December aligns closely with the latter part of the year, reflecting a trend where early winter months tend to be less sunny, but recovery begins as spring approaches. As the year ends, visitors can expect some bright moments amidst the winter chill, inviting the chance to enjoy Appenzell's picturesque landscapes under a soft winter sun.

Percentage of Sunny Days in December in Appenzell

The chart illustrates the percentage of sunny days in Appenzell 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 Appenzell experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%40%41%43%30%32%30%31%42%37%31%35%
Data source: Appenzell December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Appenzell in December

As the year unfolds in Appenzell, Switzerland, the rhythm of daylight shifts dramatically, with December featuring just 8 hours of daylight. This period marks a return to the shorter days of early winter, echoing the 8 hours seen in January. After experiencing a steady increase in sunlight from February's 10 hours to the vibrant 15 hours of May through July, the daylight gradually recedes. Notably, August still retains 14 hours, but by September, the descent begins again, leading to November's 9 hours. This annual cycle not only highlights the contrast between the bright summer months and the dimmer winter days but also underscores the magical transition of seasons in this picturesque Swiss region.

Average Daylight Hours in Appenzell for December

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

December Winds in Appenzell

As December arrives in Appenzell, Switzerland, the wind whispers a familiar tune, with an average speed of 1.5 m/s (3 mph). This slight uptick mirrors the trend seen throughout the year, where wind speeds have remained relatively stable, fluctuating between 1.1 to 1.5 m/s. December's breeze carries a crisp chill, reminiscent of the playful gusts that danced through the autumn months, hinting at the snowy beauty of winter ahead. Since August's low of 1.1 m/s, the wind has gently strengthened, creating an enchanting atmosphere that invites both residents and visitors to revel in the serene landscapes of this picturesque Swiss town.

Average December Wind Speed in Appenzell

The chart displays monthly wind speed patterns in Appenzell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.31.41.51.21.21.11.21.41.21.5 m/s
Data source: Appenzell December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Appenzell Compares to Other Months

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

December and January weather in Appenzell showcase a stark contrast in temperature and precipitation patterns. In December, temperatures range from a minimum of -17°C (2°F) to a maximum of 12°C (54°F), with an average of -1°C (31°F) and a significant 156 mm (6.2 in) of precipitation over 18 days. The humidity is quite high at 90%. In comparison, January sees even colder temperatures, with a minimum of -23°C (-9°F), an average of -2°C (29°F), and a maximum of 11°C (52°F). Precipitation decreases slightly to 134 mm (5.3 in) spread over 12 days, while humidity increases to 92%. This suggests that January is not only colder but also slightly drier than December. For a closer look at the January weather in Appenzell, visit Appenzell weather in January.

December and February present distinct weather patterns, with both months characterized by cold temperatures but varying slightly in their averages and extremes. In December, the temperatures can drop to a minimum of -17°C (2°F) and reach an average of -1°C (31°F), with maximums of 12°C (54°F). This month also sees significant precipitation at 156 mm (6.2 in) spread over 18 days, coupled with high humidity levels of 90%. In contrast, February tends to be slightly colder on average, with minimal temperatures around -18°C (0°F) and an average of 0°C (33°F), peaking at 16°C (61°F). Precipitation decreases to 97 mm (3.8 in) over just 12 days, and humidity remains similar at 89%. For a more detailed look at the weather during this month, you can check Appenzell weather in February.

In December, the weather tends to be quite cold, with temperatures ranging from a low of -17°C (2°F) to a high of 12°C (54°F), averaging around -1°C (31°F). The month also sees significant precipitation, totaling 156 mm (6.2 in) spread over 18 days, coupled with high humidity at 90%. In contrast, March experiences slightly milder temperatures, with a minimum of -20°C (-4°F) and a maximum of 18°C (65°F), yielding an average of 3°C (38°F). While March also has a good amount of precipitation at 123 mm (4.8 in) across 17 days, the humidity is slightly lower at 87%. For those looking for more specific insights on March weather in Appenzell, you can check Appenzell weather in March.

December and April showcase contrasting weather patterns. In December, temperatures can plunge to a minimum of -17°C (2°F), with an average of -1°C (31°F) and a maximum of 12°C (54°F). The month sees considerable precipitation, totaling 156 mm (6.2 in) over 18 days, accompanied by high humidity levels at 90%. In stark contrast, April experiences more moderate temperatures, ranging from a minimum of -12°C (11°F) to an average of 7°C (45°F) and peaking at 23°C (73°F). Precipitation decreases to 103 mm (4.0 in) over 12 days, with humidity slightly lower at 84%. For a more detailed look at April weather, visit Appenzell weather in April.

December and May present stark contrasts in weather. December typically experiences frigid temperatures ranging from a minimum of -17°C (2°F) to a maximum of 12°C (54°F), with an average of -1°C (31°F). It is a wet month, recording about 156 mm (6.2 in) of precipitation over 18 days and maintaining high humidity levels at 90%. In contrast, May sees significantly warmer temperatures, with a minimum of -6°C (21°F) and a maximum reaching 28°C (83°F), averaging 11°C (52°F). Although May has slightly more precipitation at 183 mm (7.2 in) over 21 days, the humidity is lower at 80%. For more details, check out Appenzell weather in May.

December and June present striking contrasts in weather conditions. In December, temperatures can plunge as low as -17°C (2°F), with an average temperature of -1°C (31°F) and a maximum reaching just 12°C (54°F). The month is characterized by high humidity at 90% and significant precipitation, totaling 156 mm (6.2 in) over approximately 18 days. In stark contrast, June boasts a much milder climate, with minimum temperatures around 2°C (36°F) and an average of 16°C (61°F), peaking at a warm 31°C (88°F). While June experiences slightly higher precipitation at 191 mm (7.5 in) over 19 days, the humidity is more comfortable at 82%. For a closer look at Appenzell's June weather, visit Appenzell weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -17°C (2°F), with an average around -1°C (31°F) and a maximum of 12°C (54°F). The month experiences significant precipitation, totaling 156 mm (6.2 in) over 18 days, accompanied by high humidity levels at 90%. In contrast, July boasts a much milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F) and an average of 17°C (62°F). Although July has slightly higher precipitation at 211 mm (8.3 in) across 20 days, humidity is lower at 83%. For more detailed insights, check out Appenzell weather in July.

December and August present distinctly different weather experiences. In December, temperatures can plunge to a chilling minimum of -17°C (2°F), with an average hovering around -1°C (31°F) and a maximum of 12°C (54°F). This month also sees significant precipitation averaging 156 mm (6.2 in) over 18 days, and high humidity levels of 90%. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to an average of 17°C (62°F) and a maximum reach of 30°C (87°F). Although it experiences slightly more precipitation at 233 mm (9.2 in) over 19 days, the humidity is lower at 80%. For more information, check out the detailed overview of Appenzell weather in August.

In December, temperatures can plummet to a minimum of -17°C (2°F), with an average of -1°C (31°F) and a maximum of 12°C (54°F). The month experiences considerable precipitation, totaling 156 mm (6.2 in) over 18 days, while humidity levels remain high at 90%. In contrast, September features a much milder climate, with minimum temperatures around 0°C (32°F) and averages of 13°C (55°F), peaking at 25°C (78°F). Precipitation is slightly higher at 158 mm (6.2 in) but occurs over just 16 days, resulting in a lower humidity of 83%. For more detailed information on September weather specifics, visit Appenzell weather in September.

In comparing the weather of December and October, notable differences in temperature and precipitation stand out. December experiences a much colder climate with minimum temperatures plunging to -17°C (2°F), averaging around -1°C (31°F), and peaking at 12°C (54°F). In contrast, October enjoys milder temps, with a minimum of -2°C (28°F), an average of 9°C (48°F), and maximum temperatures reaching 21°C (70°F). Precipitation levels are slightly higher in December, totaling 156 mm (6.2 in) over 18 days, compared to October's 141 mm (5.6 in) over 14 days. Both months share high humidity levels at 90%. For a more detailed comparison, you can explore Appenzell weather in October.

December weather in Appenzell is marked by colder temperatures compared to November, with minimums dropping to -17°C (2°F) and an average temperature around -1°C (31°F). In contrast, November offers milder conditions with minimum temperatures of -8°C (17°F) and an average of 4°C (39°F). The precipitation levels also differ significantly; December experiences 156 mm (6.2 in) over 18 days, whereas November sees only 88 mm (3.5 in) across 11 days. Humidity levels remain high in both months, with December at 90% and November at 88%. For a more detailed look at November's weather patterns, check out Appenzell weather in November.

Compare Appenzell's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Appenzell

As December settles over Appenzell, the charming Swiss village transforms into a winter wonderland, characterized by significantly colder temperatures and increased precipitation compared to other months. With an average temperature dipping to a chilly -1°C, and a notable humidity level hovering around 90%, the air is filled with a crispness that heralds the festive season. Frequent snow showers and rain, accumulating to 156 mm over 18 days, create a picturesque landscape perfect for winter sports and cozy indoor activities alike. December's weather sets a stark contrast to the milder and drier months, inviting both residents and visitors to embrace the magic of winter. For a detailed exploration of Appenzell's year-round climate, check out Appenzell Climate.