January Weather in Zug, Switzerland

Last updated: August 27, 2025

January in Zug, Switzerland, presents a striking contrast in weather, where temperatures oscillate dramatically between a maximum of 15°C (59°F) during the mildest spells and a minimum of -11°C (13°F) in the chillier moments. The average temperature hovers around 1°C (35°F), making it essential for visitors to bundle up. This month also sees a notable precipitation amount of 112 mm (4.4 in) spread over 12 days, contributing to a high humidity level of 92%. Whether enjoying the serene beauty of snow-dusted landscapes or braving the brisk air, January offers a unique experience for all in Zug.

January Temperature in Zug

In January, Zug experiences a chilly embrace, with temperatures ranging from a brisk -11°C (13°F) at night to a somewhat mild 15°C (59°F) during the day. The average temperature hovers around 1°C (35°F), signaling the heart of winter. As the month progresses, there's a noticeable trend towards gradual warming, hinting at the approaching spring. While January is marked by its coldest nights, this transition lays the groundwork for February's slightly milder conditions, with temperatures dipping further at times. As winter deepens, the contrast between the daytime highs and nighttime lows creates a picturesque winter landscape, perfect for both relaxation and exploration. Overall, January serves as a striking reminder of Zug's enchanting winter charm, inviting visitors to enjoy its frosty allure while anticipating the gradual rise in temperatures in the following months.

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

The chart illustrates January 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, January 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.

January Precipitation in Zug

In January, Zug experiences a notable precipitation level of 112 mm (4.4 in), making it one of the wetter months of the year. With 12 days of rainfall, the month sets a pattern of consistent moisture that can be seen across the winter months, continuing into February and March, though with a gradual decline in both precipitation amount and rainy days. This early winter wetness often gives way to vibrant growth in the spring, as the landscape transforms with the warmer temperatures and increased rainfall seen in May and June. Overall, January acts as a pivotal month in Zug's climate, laying the groundwork for the lush scenery that follows.

January Precipitation Trends in Zug

The chart displays monthly precipitation patterns in Zug, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Zug, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec112871007713714913414110512276136
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Zug

In January, Zug, Switzerland experiences a high humidity level of 92%, setting a moist tone for the year ahead. This chill in the air is accompanied by persistent dampness, making winter days feel even colder. As the seasons progress, humidity begins to gently decline, dropping to 89% in February and further to 87% by March, indicating a gradual movement toward drier conditions. However, this trend shifts slightly as April and May see humidity levels stabilize around 84% and 80%, respectively, before making a subtle comeback in the summer months, ranging from 80% to 83%. As the year approaches its end, humidity levels peak again, returning to 90% in October and December, reminding residents of Zug's consistently moist climate, while November hovers just below at 88%. The ebb and flow of humidity throughout the year paints a picture of Zug's unique weather patterns, characterized by its lush greenery and cool, crisp winters.

January Average Humidity in Zug

This chart illustrates the average monthly humidity levels in Zug, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Zug

In January, Zug experiences a low UV Index of 2, which means sun exposure is generally safe, with a burn time of 45 minutes. As the month transitions into February, the UV Index rises to 3, indicating a moderate level of exposure and a reduced burn time of 30 minutes. This trend continues into March, where the UV Index reaches 5, still within the moderate category but requiring more caution. The UV levels ramp up significantly as spring progresses, peaking in late spring and summer; by May, the UV Index escalates to 8 and hovers at 9 in both June and July, where the risk is categorized as very high and burn times plummet to just 15 minutes. Even as summer wanes into September, the Index remains high at 6 before gradually decreasing towards the end of the year, settling back to 2 in December. This pattern highlights the importance of being sun-smart year-round, particularly during the warmer months. For more detailed information, check out the Zug UV Index.

Maximum UV Index Levels in Zug for January

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

January Sunshine in Zug

In Zug, Switzerland, January begins the year with a modest 164 hours of sunlight, setting the stage for the gradual increase in brightness as winter fades. By February, the sun shines for a more uplifting 228 hours, hinting at the promise of spring. As the months roll on, the trend becomes a delightful crescendo; March offers 300 hours, April 358 hours, and May 370 hours, showcasing nature's vibrant reawakening. June and July peak with 385 hours and 415 hours respectively, making these summer months a sun-soaked paradise. Even as August transitions to early autumn, 384 hours of sunlight lingers, before gradually retreating to 320 hours in September. The fading light continues into October with 279 hours and November's 219 hours, ultimately resting at 185 hours in December. This cyclical pattern of sunshine not only highlights Zug’s seasonal charm but also invites residents and visitors alike to cherish each radiant moment.

Monthly Sunshine Duration in Zug: January Highlighted

The January sunshine duration represents the total number of hours Zug experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec164h228h300h358h370h385h415h384h320h279h219h185h
Data source: Zug January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zug During January

In January, Zug, Switzerland, sees a modest 15% chance of sunny weather, setting the stage for a predominantly gray and chilly winter month. This probability stands in stark contrast to the sunnier prospects in the following months, with February nearly doubling the likelihood to 37%. As spring approaches, sunny days become increasingly frequent, peaking in April at 49%. The trend continues upward through March and into the warmer months, showcasing a clear seasonal shift toward brighter skies—though May to August sees fluctuations, each month retains a better chance of sun compared to January. Overall, January's sunless backdrop is a gentle reminder of the Alpine winter, but the promise of spring sunshine lies just ahead.

Percentage of Sunny Days in January in Zug

The chart illustrates the percentage of sunny days in Zug throughout the year, with January 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 January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zug in January

In Zug, Switzerland, January ushers in the year with a modest 8 hours of daylight, as winter grips the region. As the month transitions into February, there's a noticeable increase to 10 hours, hinting at the impending arrival of spring. March continues this upward trend, adding another hour, while April delights with a more generous 13 hours of sunlight. This welcome expansion peaks during the summer months of May through July, when daylight reaches a maximum of 15 hours. As summer fades, the daylight slowly tapers off; August brings 14 hours, followed by a gradual decline through September at 12 hours, down to 10 hours in October. November and December wrap up the year with a return to 9 hours and back to 8 hours respectively, reinforcing the cyclical nature of daylight in Zug, where winter's short days leave us longing for the sun as it gradually returns each spring.

Average Daylight Hours in Zug for January

The chart illustrates the variation in daylight duration in Zug throughout the year, with January 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.

January Winds in Zug

In January, Zug experiences a gentle average wind speed of 2.0 m/s (5 mph), marking the month as one of the breezier times of the year. As winter transitions into spring, the winds ease slightly, with February and March both showing a decrease to 1.8 m/s (4 mph). The trend continues into April, where a slight uptick to 1.9 m/s (4 mph) offers a hint of warmer days ahead. Interestingly, as the year progresses, May ushers in the strongest gusts at 2.1 m/s (5 mph), creating a refreshing atmosphere before the summer months settle in. However, from June to September, wind speeds soften to around 1.5-1.6 m/s (3-4 mph), reflecting the calmness of summer. As fall arrives, October to December sees a mild resurgence with consistent speeds around 1.5-1.8 m/s (3-4 mph), suggesting a tranquil close to the year. Overall, the January winds signal the start of a varied, yet peaceful, seasonal rhythm in this picturesque Swiss town.

Average January Wind Speed in Zug

The chart displays monthly wind speed patterns in Zug, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.0 m/s1.81.81.92.11.51.61.51.41.51.61.8
Data source: Zug January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January’s weather to other months in Zug, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, temperatures range from a chilly minimum of -11°C (13°F) to a maximum of 15°C (59°F), with an average temperature around 1°C (35°F). The month sees a significant amount of precipitation at 112 mm (4.4 in) over 12 days, contributing to a high humidity level of 92%. In comparison, February brings slightly colder nights with a minimum of -12°C (10°F) and warmer days, averaging 4°C (39°F) with a maximum of 18°C (65°F). With a total precipitation of 87 mm (3.4 in) over 11 days and a humidity level that drops to 89%, February presents a somewhat drier and milder atmosphere. For more detailed insights into the weather during this month, visit Zug weather in February.

January weather is characterized by colder temperatures, with minimums dropping to -11°C (13°F) and an average temperature of around 1°C (35°F). It experiences considerable precipitation, totaling 112 mm (4.4 in) over 12 days, coupled with high humidity at 92%. In contrast, March sees warmer conditions, with an average temperature rising to 6°C (43°F) and maximums reaching up to 20°C (69°F). Although it has slightly less precipitation at 100 mm (3.9 in) over 16 days, humidity drops to 87%. For more details on March weather, you can refer to Zug weather in March.

January weather is characterized by colder temperatures, with a minimum of -11°C (13°F) and an average of around 1°C (35°F), while April sees a significant warm-up, with an average temperature rising to 10°C (50°F). Although January experiences higher precipitation levels of 112 mm (4.4 in) over 12 days, April brings a relatively drier month with 77 mm (3.0 in) of rain over just 10 days. Additionally, humidity is slightly higher in January at 92%, compared to 84% in April. For more detailed information about April weather, visit Zug weather in April.

In January, temperatures in Zug range from a chilly -11°C (13°F) to a mild 15°C (59°F), with an average temperature of around 1°C (35°F). The month experiences significant precipitation totaling 112 mm (4.4 in) over 12 days and high humidity levels at 92%. In comparison, May showcases a more temperate atmosphere, with temperatures varying between -2°C (29°F) and a warm 30°C (86°F), yielding a pleasant average of 13°C (56°F). Although May sees slightly more precipitation at 137 mm (5.4 in) over 16 days, the humidity decreases to a comfortable 80%. For more details on the weather in May, visit Zug weather in May.

January and June present a striking contrast in weather conditions. January typically sees much colder temperatures, with minimums plummeting to -11°C (13°F) and an average of around 1°C (35°F). In contrast, June enjoys a much warmer average of 18°C (65°F), with maximum temperatures reaching up to 34°C (93°F). Precipitation is more frequent in June, occurring on 16 days compared to January's 12 days, though overall rainfall is slightly higher in June at 149 mm (5.9 in) versus January's 112 mm (4.4 in). Additionally, January's humidity is notably high at 92%, while June's humidity is more moderate at 82%. For more details, you can visit Zug weather in June.

In January, the weather is notably cold, with temperatures ranging from a frigid minimum of -11°C (13°F) to a mild maximum of 15°C (59°F) and an average of around 1°C (35°F). This month experiences significant precipitation, averaging 112 mm (4.4 in) over about 12 days, accompanied by high humidity levels of 92%.

In contrast, July brings warm temperatures, with a minimum of 10°C (50°F) and a maximum soaring to 34°C (94°F), while the average hovers around 20°C (68°F). Although it’s warmer, July sees slightly higher precipitation at 134 mm (5.3 in) spread over 16 days, with humidity levels at 83%. This stark contrast in weather makes January feel much colder and wetter, while July offers a vibrant and warm climate. For further details on the summer conditions, check Zug weather in July.

When comparing January and August weather, it becomes evident that these two months present very different climates. January features a chilly average temperature of around 1°C (35°F), with minimum temperatures plummeting to -11°C (13°F) and a maximum of 15°C (59°F). The month is marked by high humidity at 92% and receives 112 mm (4.4 in) of precipitation over about 12 days. In contrast, August boasts a much warmer climate, with an average temperature of 20°C (67°F), minimums around 9°C (49°F), and maximums reaching up to 34°C (93°F). This month experiences slightly higher precipitation, totaling 141 mm (5.6 in) over 14 days, but with a lower humidity of 80%. For more detailed information, check out Zug weather in August.

January and September present striking contrasts in weather characteristics. In January, the temperatures plunge with a minimum of -11°C (13°F) and an average of just 1°C (35°F), reaching a maximum of 15°C (59°F). The month is marked by high humidity at 92% and substantial precipitation of 112 mm (4.4 in) over 12 days, lending a chilly, damp atmosphere. Conversely, September enjoys milder conditions, with temperatures ranging from a minimum of 5°C (41°F) to a pleasantly warm average of 16°C (60°F) and a maximum of 28°C (83°F). This month sees slightly less precipitation at 104 mm (4.1 in) across 11 days and lower humidity at 83%, making it a more comfortable time of year. For more details on September weather, visit Zug weather in September.

In January, the weather is significantly colder, with minimum temperatures plummeting to -11°C (13°F) and an average of just 1°C (35°F). This month experiences considerable precipitation of 112 mm (4.4 in) over 12 days, coupled with high humidity at 92%. In contrast, October brings milder conditions, where minimum temperatures rise to 2°C (35°F) and the average reaches 11°C (52°F), peaking at a more comfortable 23°C (73°F). Precipitation slightly increases to 122 mm (4.8 in) over 13 days, but humidity remains relatively high at 90%. For more details on October's weather, check Zug weather in October.

January weather is typically much colder than November, with temperatures ranging from a chilly -11°C (13°F) to a mild 15°C (59°F), while November experiences milder conditions, with temperatures between -1°C (30°F) and 21°C (71°F). Precipitation is more frequent in January, totaling 112 mm (4.4 in) over 12 days, compared to November's 76 mm (3.0 in) also over 12 days. Additionally, January has higher humidity at 92%, while November's humidity is slightly lower at 88%. For more detailed information on November weather, you can visit Zug weather in November.

When comparing January and December weather, January experiences slightly cooler temperatures overall, with an average temperature of 1°C (35°F) compared to December's average of 3°C (38°F). The minimum temperature in January can drop to -11°C (13°F), whereas in December, it is a milder -5°C (23°F). Precipitation is also noteworthy; January sees 112 mm (4.4 in) of rain across approximately 12 days, while December has higher precipitation at 136 mm (5.4 in) over 19 days. Interestingly, the humidity remains relatively high during both months, with January at 92% and December at 90%. For more detailed insights into December weather, you can refer to Zug weather in December.

Compare Zug's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Zug

January in Zug presents a stark contrast to the warmer months, characterized by much lower temperatures and increased dampness. While the charm of the town is ever-present, chilly average temperatures hover around freezing, and frosty nights can dip dramatically. With high humidity and roughly half the month seeing precipitation, it’s a time when cozy indoor activities take center stage. Despite these conditions, January marks a beautifully crisp start to the year, inviting those who embrace winter's allure. For more details on what to expect throughout the year, visit Zug Climate.