December Weather in Zug, Switzerland

Last updated: August 27, 2025

December in Zug, Switzerland offers a unique blend of winter charm and atmospheric conditions. With maximum temperatures reaching 14°C (57°F) and an average of 3°C (38°F), the month showcases mild winter days, yet it can plummet to a chilly -5°C (23°F) at times. Precipitation is notable, with a total of 136 mm (5.4 in) across 19 days, creating a damp yet cozy environment. The humidity level hovers around a crisp 90%, making December a month where the beauty of winter is complemented by the cozy allure of warm indoor spaces and the festive spirit of the season.

December Temperature in Zug

In December, Zug, Switzerland experiences a notable shift as winter settles in, with temperatures dipping significantly compared to the milder months. The minimum temperature hovers around a chilly -5°C (23°F), while the average climbs only to 3°C (38°F), creating a brisk atmosphere perfect for enjoying seasonal festivities. The maximum temperature reaches a modest 14°C (57°F), suggesting that while it can be chilly, warmer spells may occasionally break the frost. As winter deepens, residents and visitors alike can expect a wintry charm, fitting for cozying up with hot drinks and reveling in the enchanting holiday spirit that defines Zug during this time of year.

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

The chart illustrates December temperature patterns in Zug, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zug, 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).
JanFebMarAprMayJunJulAugSepOctNovDec353943505665676760524238
Data source: Temperature data for Zug 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 Zug

In Zug, Switzerland, December marks a notable peak in precipitation, with the month receiving 136 mm (5.4 in) of rain over 19 days—the highest number of precipitation days in the year. This trend indicates that the winter season kicks off with a significant amount of wet weather, surpassing November's lower total of 76 mm (3.0 in) over just 12 days. As the year concludes, there's a palpable shift from the relatively drier months preceding December, showcasing an increase in both volume and frequency of rain. This pattern not only sets the stage for the arrival of snow in the higher altitudes but also reinforces December as a month where the region prepares for the chill of winter.

December Precipitation Trends in Zug

The chart displays monthly precipitation patterns in Zug, 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 Zug, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec112871007713714913414110512276136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Zug

In December, Zug experiences a notable increase in humidity, with levels reaching 90%, mirroring those of January and October. This winter month marks a slight upward trend from November's 88%, reinforcing the region's characteristic dampness as the year draws to a close. The humidity in Zug is generally high throughout the year, with the wettest months consistently hovering around the 90% mark. As the seasons shift from fall to winter, residents can expect the air to feel particularly moist, reflecting the city's beautiful, yet humid climate.

December Average Humidity in Zug

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

In Zug, Switzerland, the December UV Index drops to 2, indicating a low exposure category where residents and visitors can enjoy outdoor activities with minimal risk of sunburn, allowing for a generous burn time of 45 minutes. This marks a notable decrease from the peaks seen in the summer months, where the index surged to 9, classified as very high with burn times plummeting to just 15 minutes. As the year progresses from the sunny heights of June and July back to December, the UV Index reflects the seasonal transition, revealing a clear trend of declining sun strength during the colder months. For those planning outdoor adventures in Zug this winter, it's a perfect opportunity to soak up some sun with caution. For more detailed information, check out the Zug UV Index.

Maximum UV Index Levels in Zug for December

The chart shows the monthly maximum UV Index (UVI) for Zug 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 Zug typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Zug 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 Zug

December in Zug, Switzerland, ushers in a more subdued sunlight experience, with 185 hours illuminating the month. As we look back on the year, it's clear that the transition into winter brings a notable dip in daylight, following the peaks of summer where July basked in a brilliant 415 hours of sunshine. The gradual decline begins as autumn sets in, with October and November also seeing reduced brightness, showcasing 279 and 219 hours respectively. In contrast, the year kicks off with a modest 164 hours in January, suggesting a cycle of increasing light as spring unfolds. This ebb and flow of sunshine across the months not only marks the changing seasons but also paints a vivid picture of Zug's unique climate experience throughout the year.

Monthly Sunshine Duration in Zug: December Highlighted

The December sunshine duration represents the total number of hours Zug 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h228h300h358h370h385h415h384h320h279h219h185h
Data source: Zug December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zug During December

In Zug, Switzerland, the chance of enjoying sunny weather in December hovers around 29%, reflecting a slight increase compared to the chilly November days, which see only a 23% likelihood of sunshine. As winter sets in, the possibility of sunny spells tends to dwindle, but December experiences more favorable conditions than some earlier winter months like January with a mere 15% chance. Notably, while sunshine is less frequent in these colder months, the brightness in December hints at a shift from the gloom of late autumn, creating moments of joy amidst the crisp air. As the year winds down, the promise of occasional sunny days serves as a reminder of the lingering vibrancy in Zug's winter landscape.

Percentage of Sunny Days in December in Zug

The chart illustrates the percentage of sunny days in Zug 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 Zug experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%37%45%49%33%32%35%38%41%36%23%30%
Data source: Zug December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zug in December

In Zug, Switzerland, the rhythm of daylight ebbs and flows throughout the year, with December marking a return to 8 hours of sunlight, mirroring January's light levels. This dip in daylight follows a steady climb from just 10 hours in February, peaking at a generous 15 hours during the vibrant months of May through July. The gradual decrease in daylight signals a seasonal transformation, as days shorten, enveloping the picturesque backdrop of Zug in the cozy charm of winter. While the shimmering long days of summer give way to shorter, darker hours, the cycle beautifully reflects nature's cadence, reminding us of the seasonal transitions in this enchanting Swiss town.

Average Daylight Hours in Zug for December

The chart illustrates the variation in daylight duration in Zug 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 17m11h 56m13h 37m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m
Data source: Zug daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Zug

As December settles into Zug, Switzerland, the gentle breeze carries with it the quiet charm of winter. With an average wind speed of 1.8 m/s (4 mph), this month reflects a slight uptick from the more calm summer months, which hovered around 1.5 m/s (3 mph). Interestingly, December’s winds are not only a transition into the colder season but also a reminder of the advancing spring months, where early blossoms begin to anticipate the warmer days ahead. As nature gears up for winter’s full embrace, the consistent yet light winds provide a serene backdrop, inviting residents and visitors alike to enjoy the picturesque winter landscapes.

Average December Wind Speed in Zug

The chart displays monthly wind speed patterns in Zug, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.81.81.92.11.51.61.51.41.51.61.8 m/s
Data source: Zug December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Zug Compares to Other Months

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

In December, temperatures in Zug typically range from a chilly -5°C (23°F) at night to a milder 14°C (57°F) during the day, with an average of 3°C (38°F). The month experiences significant precipitation, with 136 mm (5.4 in) falling over about 19 days, contributing to a high humidity level of 90%.

In contrast, January sees slightly colder temperatures, with lows dropping to -11°C (13°F), while the daytime maximum reaches up to 15°C (59°F) and the average settles around 1°C (35°F). Precipitation decreases to 112 mm (4.4 in) over just 12 days, and humidity rises slightly to 92%. For more specific details, you can check out Zug weather in January.

In December, temperatures begin to dip, with lows around -5°C (23°F) and an average of 3°C (38°F), reaching a maximum of 14°C (57°F). The month experiences significant precipitation, totaling 136 mm (5.4 in) over 19 days, accompanied by high humidity at 90%. In contrast, February sees even colder temperatures, with a minimum of -12°C (10°F) and an average of 4°C (39°F), while the maximum can rise to 18°C (65°F). Precipitation is lower in February, at 87 mm (3.4 in) over just 11 days, and humidity remains slightly lower at 89%. For more detailed weather information, you can check Zug weather in February.

In December, the weather is relatively mild with average temperatures around 3°C (38°F) and a maximum of 14°C (57°F), but it can also dip to as low as -5°C (23°F). The month sees significant precipitation of around 136 mm (5.4 in) over 19 days, resulting in a high humidity level of 90%. In contrast, March experiences cooler conditions, with average temperatures rising to 6°C (43°F) and a maximum of 20°C (69°F), but it can still reach lows of -11°C (13°F). There is less precipitation, totaling about 100 mm (3.9 in) over 16 days, and the humidity remains relatively high at 87%. For a more detailed look at March weather in Zug, you can visit Zug weather in March.

December and April present contrasting weather patterns. In December, temperatures can drop as low as -5°C (23°F) and average around 3°C (38°F), with maximums reaching 14°C (57°F). The month sees significant precipitation, totaling 136 mm (5.4 in) over approximately 19 days, accompanied by high humidity at 90%. In comparison, April experiences milder conditions with minimum temperatures near -3°C (26°F) and average highs around 10°C (50°F), peaking at a pleasant 26°C (79°F). Precipitation is notably lower at 77 mm (3.0 in) spread over just 10 days, and humidity is slightly reduced at 84%. For more details, check out Zug weather in April.

December and May showcase contrasting weather patterns. In December, temperatures range from a chilly -5°C (23°F) to a mild 14°C (57°F), with an average of around 3°C (38°F). The month experiences significant precipitation, totaling 136 mm (5.4 in) over 19 days, and high humidity at 90%, creating a damp and cold atmosphere. In stark contrast, May brings warmer temperatures with a minimum of -2°C (29°F) and a maximum reaching 30°C (86°F), averaging 13°C (56°F). Precipitation is slightly lower at 137 mm (5.4 in) over 16 days, and humidity dips to 80%, contributing to a more pleasant spring environment. For detailed insights on May weather, check out Zug weather in May.

December and June present stark contrasts in weather. In December, temperatures can drop as low as -5°C (23°F), with an average of just 3°C (38°F) and a maximum of 14°C (57°F). This month experiences significant precipitation, averaging 136 mm (5.4 inches) over 19 days, along with high humidity levels of 90%. In contrast, June brings a milder climate with temperatures ranging from a minimum of 6°C (43°F) to a scorching maximum of 34°C (93°F), and an average of 18°C (65°F). Though June sees slightly higher precipitation at 149 mm (5.9 inches) over 16 days, the humidity is more comfortable at 82%. For those interested in more details, check out Zug weather in June.

In December, the weather is notably colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (57°F) and an average of 3°C (38°F). It also experiences higher humidity at 90%, contributing to a damp and chilly atmosphere. Precipitation is significant during this month, totaling 136 mm (5.4 in) over 19 days. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to a comfortable maximum of 34°C (94°F) and an average of 20°C (68°F). The precipitation in July is slightly lower at 134 mm (5.3 in), occurring over 16 days, and the humidity is also more pleasant at 83%. For more details, you can check Zug weather in July.

December and August present two distinctly different weather patterns. In December, temperatures can dip as low as -5°C (23°F), with an average of 3°C (38°F) and highs reaching 14°C (57°F). The month is characterized by high humidity at 90% and considerable precipitation, totaling 136 mm (5.4 in) over approximately 19 days. In contrast, August features much warmer temperatures, with lows around 9°C (49°F) and peak averages of 20°C (67°F) to a high of 34°C (93°F). While the precipitation is slightly higher at 141 mm (5.6 in), it occurs over just 14 days, and humidity is lower at 80%. For a closer look at what to expect, check out Zug weather in August.

December and September present strikingly different weather conditions. In December, temperatures range from a chilly -5°C (23°F) to a mild 14°C (57°F), with an average of around 3°C (38°F). The month experiences considerable precipitation, totaling 136 mm (5.4 in) over 19 days, coupled with high humidity levels at 90%. In contrast, September boasts a much more temperate climate, with minimum temperatures of 5°C (41°F) and maximums reaching 28°C (83°F), averaging 16°C (60°F). It also sees less precipitation at 104 mm (4.1 in) spread over just 11 days and a lower humidity of 83%. For more details on the September weather, check out Zug weather in September.

In comparing December and October weather, December tends to be notably colder with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (57°F). In contrast, October experiences milder conditions, with temperatures varying from a minimum of 2°C (35°F) to a maximum of 23°C (73°F). While December has a higher average precipitation of 136 mm (5.4 in) over 19 days, October boasts slightly less precipitation at 122 mm (4.8 in) across 13 days. Both months share a high humidity level of around 90%, but October's warmer temperatures make it feel more comfortable overall. For a closer look at October's weather, check out Zug weather in October.

In comparing the weather between December and November, it's clear that December tends to be colder and wetter. December experiences a minimum temperature of -5°C (23°F) compared to November's milder -1°C (30°F), with an average temperature of 3°C (38°F) in December versus November’s 6°C (43°F). The maximum temperature in December also falls short, peaking at 14°C (57°F), while in November, it can reach up to 21°C (71°F). Precipitation is significantly higher in December, with 136 mm (5.4 in) falling over 19 days, compared to November's 76 mm (3.0 in) over 12 days. Humidity levels are slightly elevated in December at 90%, compared to 88% in November. For more detailed information, you can visit Zug weather in November.

Compare Zug's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Zug

As December envelops Zug, the weather takes on a distinctly chilly character, contrasting sharply with the more temperate months preceding it. The average temperature drops, making it a month where sweaters and warm drinks reign supreme. With an increase in precipitation—spanning nearly two-thirds of the month—visitors can expect a wet and damp atmosphere, enveloped by a high humidity level that hovers around 90%. This culminates in a cozy, yet brisk environment that's perfect for enjoying the festive season. For more insights on how Zug's weather differs month by month, visit Zug Climate.