January Weather in Weggis, Switzerland

Last updated: August 27, 2025

In Weggis, Switzerland, January features a cool continental climate characterized by a maximum temperature of 11°C (52°F) and an average of -1°C (30°F), dipping to a minimum of -15°C (5°F). This month sees significant precipitation, with 144 mm (5.7 in) over approximately 13 days, resulting in a notably humid atmosphere at 92% humidity. Visitors can expect a mix of chilly weather and frequent rainfall, making it a unique time to experience this picturesque lakeside town, often wrapped in winter's serene embrace.

January Temperature in Weggis

In Weggis, Switzerland, January serves as a bridge between the chill of winter and the gradual warming that follows. Temperatures during this month fluctuate from a brisk -15°C (5°F) to a mild 11°C (52°F), with an average of around -1°C (30°F). This variety sets the stage for the coldest period of the year, as the landscape remains blanketed in winter's crisp embrace. Following January, February dips even lower, with minimum temperatures plunging to -19°C (-1°F) before starting a slow climb towards spring. As you transition from January to March, you’ll experience slightly milder conditions, hinting at a gradual shift as winter gives way to early signs of spring. The month concludes with an intriguing temperature range and paves the way for the warmer days ahead, showcasing Weggis' enchanting seasonal transformations.

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

The chart illustrates January temperature patterns in Weggis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weggis, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303438445160636356483933
Data source: Temperature data for Weggis generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Weggis

In January, Weggis experiences an average precipitation of 144 mm (5.7 in) over 13 days, setting the tone for a typically wet winter. This month serves as a precursor to the wetter months to follow, with February showing a dip in rainfall to 106 mm (4.2 in) but slightly fewer rainy days. As spring approaches, March sees a rise in both precipitation to 127 mm (5.0 in) and rainy days, hinting at the gradual transition to a wetter season. Notably, May and June bring a significant increase in precipitation, peaking in August at 203 mm (8.0 in), while the summer months maintain consistency with around 18 rainy days each. By observing this pattern, it's clear that Weggis' winters are damp, but the real drenching begins as the seasons shift towards summer, making the region lush and vibrant by mid-year.

January Precipitation Trends in Weggis

The chart displays monthly precipitation patterns in Weggis, 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 Weggis, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec144106127104163189190203146165102171
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Weggis

In Weggis, Switzerland, January greets visitors with a peak humidity level of 92%, creating a crisp and fresh ambiance typical of winter. As the seasons transition into February and March, humidity levels dip slightly to 89% and 87%, respectively, hinting at the gradual approach of spring. April brings a continued decrease to 84%, followed by a more pronounced drop in May, where humidity reaches 80%, making the atmosphere feel more comfortable. Interestingly, as summer rolls in, the humidity stabilizes around 82% in June and remains relatively steady throughout July and August, suggesting a pleasant balance during these warmer months. However, autumn marks a return to higher humidity, with October and December mirroring January's levels at 90%, while November sits at 88%. This cyclical pattern illustrates Weggis's unique climate, characterized by its humid winters, gently moderating springs, and temperate summers, before a return to the moist conditions of late autumn and winter.

January Average Humidity in Weggis

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

In January, Weggis, Switzerland, experiences a low UV Index of 2, allowing for a burn time of 45 minutes under the sun. This is the beginning of a gradual increase in UV exposure as the months progress. By February, the UV Index rises to 3, indicating a moderate category and shortening the burn time to 30 minutes. The intensity continues to climb, reaching 5 in March and hitting 6 in April, categorized as high, where sun protection becomes increasingly important. The peak summer months of May through August feature very high UV Index levels, peaking at 9, with burn times as short as 15 minutes. As the year winds down, the UV Index returns to a low level of 2 by December, reminding us of the seasonal fluctuations in sun exposure. For detailed information on the UV Index throughout the year, visit Weggis UV Index.

Maximum UV Index Levels in Weggis for January

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

In Weggis, Switzerland, January greets its visitors with an average of 164 hours of sunshine, setting the stage for the gradual transition into longer, brighter days. As winter fades and February arrives, the sun makes a noticeable comeback with 228 hours, hinting at spring's imminent approach. By March, daylight flourishes further, boasting 300 sunshine hours, and April solidifies this trend with 358 hours, enticing nature lovers and adventurers alike. The long days of late spring lead into the sun-drenched days of summer, peaking in July at a remarkable 415 hours. However, as the seasons shift toward autumn, sunlight begins to wane, with August still retaining a generous 384 hours, followed by a gentle decline through September and October. The year concludes with November and December offering a cozy atmosphere with 219 and 185 hours of sunshine, respectively, inviting residents and travelers to reflect on the beauty of Weggis as it transitions through the seasons.

Monthly Sunshine Duration in Weggis: January Highlighted

The January sunshine duration represents the total number of hours Weggis 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: Weggis January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Weggis During January

When looking at the likelihood of sunny weather in January in Weggis, Switzerland, a modest 14% chance suggests that the month is generally characterized by cloudy skies and chilly temperatures. This figure stands in stark contrast to the sunnier months that follow; for instance, February sees a significant rise to 35%, and by March, the likelihood of sunshine increases further to 42%. The trend continues into spring, with April and May boasting probabilities of 44% and 29% respectively. As the year progresses into summer, the chances of sunny days hover around the 30% mark, with the peak sunny months lying in late spring and early summer. Overall, January tends to be one of the cloudiest months, setting the stage for a slow but steady transition towards brighter days ahead.

Percentage of Sunny Days in January in Weggis

The chart illustrates the percentage of sunny days in Weggis 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 Weggis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%35%42%44%29%30%31%33%34%35%23%29%
Data source: Weggis January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Weggis in January

In Weggis, Switzerland, January greets visitors with a modest 8 hours of daylight, setting a cozy atmosphere perfect for winter activities. However, as the month transitions into February, daylight begins to extend, adding 2 hours to the daily sunshine as the landscape shifts towards spring. This trend continues into March and April, where daylight stretches to 11 and 13 hours, respectively, inviting more outdoor exploration and the blooming of nature. By May, the days reach their peak at 15 hours, a delightful prelude to summer, which maintains this brightness through June and July. As August approaches, the daylight starts to wane slightly, with 14 hours still offering ample time for summer fun. The gradual decrease continues into September and October, settling at 12 and then 10 hours, heralding the arrival of autumn. By November and December, daylight retreats back to 9 and 8 hours, wrapping Weggis once more in the softer glow of winter evenings. This rhythmic ebb and flow of daylight not only marks the changing seasons but also invites both reflection and rejuvenation throughout the year.

Average Daylight Hours in Weggis for January

The chart illustrates the variation in daylight duration in Weggis throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 58m10h 17m11h 56m13h 37m15h 4m15h 48m15h 25m14h 7m12h 30m10h 49m9h 20m8h 33m
Data source: Weggis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Weggis

In Weggis, Switzerland, January greets visitors with a gentle breeze, showcasing an average wind speed of 1.6 m/s (4 mph). This tranquil air persists into February, maintaining the same calm pace, creating a serene winter landscape. As spring approaches, the winds soften slightly in March, dipping to 1.4 m/s (3 mph), and continue to fluctuate gently through the months, with April and May returning to a consistent 1.5 to 1.6 m/s. The warm summer months see a gradual decline, reaching their lowest in August at 1.2 m/s (3 mph), suggesting a cozy, still atmosphere that invites leisure. As autumn unfolds, the winds pick up slightly again, hinting at a return to the refreshing breezes of winter, yet never exceeding the mild chaos of 4 mph throughout the year. This variation in wind patterns showcases Weggis as a haven of calm, particularly in the frosty January air.

Average January Wind Speed in Weggis

The chart displays monthly wind speed patterns in Weggis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.6 m/s1.61.41.51.61.31.31.21.21.41.31.4
Data source: Weggis January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Weggis Compares to Other Months

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

January and February present distinct weather characteristics, although both months can be quite cold. In January, temperatures typically range from a minimum of -15°C (5°F) to a maximum of 11°C (52°F), with an average of -1°C (30°F). The month experiences significant precipitation, totaling 144 mm (5.7 in) over approximately 13 days, accompanied by high humidity levels of 92%. In contrast, February sees even lower minimum temperatures, dropping to -19°C (-1°F), while the average slightly increases to 1°C (34°F) and the maximum reaches 14°C (58°F). Precipitation also decreases to 106 mm (4.2 in) over 12 days, alongside a slightly lower humidity of 89%. For those interested in the specifics of February weather, further details can be accessed here: Weggis weather in February.

In January, temperatures are considerably colder, with a minimum of -15°C (5°F) and an average of -1°C (30°F), while March sees a slight warming trend with an average temperature of 3°C (38°F) and a maximum of 18°C (64°F). Despite the overall drop in temperature, January experiences more total precipitation at 144 mm (5.7 in) over 13 days compared to March's 127 mm (5.0 in) over 17 days. Additionally, January's humidity levels are higher at 92%, while March's humidity is somewhat lower at 87%. For a more detailed look at March weather specifics, you can check out Weggis weather in March.

January weather is characterized by its cold temperatures, with averages around -1°C (30°F) and a minimum dropping to -15°C (5°F). This winter month experiences significant precipitation, totaling 144 mm (5.7 in) over 13 days, accompanied by high humidity levels at 92%. In contrast, April brings a noticeable warming trend, with average temperatures of 7°C (45°F) and maximums reaching up to 22°C (71°F), while the minimum temperatures remain milder at -7°C (19°F). Although April sees slightly less precipitation at 104 mm (4.1 in), it comes over just 12 days, and the humidity decreases to 84%. For those curious about the specific weather conditions during this spring month, Weggis weather in April provides more detailed insights.

January and May in Weggis present contrasting weather experiences. In January, temperatures dip to a minimum of -15°C (5°F) and average around -1°C (30°F), with a maximum reaching only 11°C (52°F). The month sees a significant amount of precipitation, totaling 144 mm (5.7 in) over 13 days, contributing to high humidity levels of 92%. In contrast, May brings milder conditions, with minimum temperatures around -7°C (19°F) and averages of 10°C (51°F), peaking at a pleasant 27°C (80°F). While May features slightly higher precipitation at 163 mm (6.4 in) over 19 days, the humidity drops to 80%, resulting in a more comfortable atmosphere. For more details, you can check Weggis weather in May.

January and June present strikingly different weather patterns. In January, temperatures can plummet to a minimum of -15°C (5°F) with an average of -1°C (30°F), and occasionally reach a maximum of 11°C (52°F). The month is characterized by high humidity at 92% and significant precipitation, totaling 144 mm (5.7 in) across about 13 days. In contrast, June experiences a much milder climate, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 31°C (88°F) and an average of 16°C (60°F). Precipitation in June is slightly higher at 189 mm (7.4 in), occurring over 18 days, yet the humidity decreases to 82%. For insights into the weather specifics, you can check Weggis weather in June.

January and July weather exhibit stark contrasts, with January temperatures ranging from a chilly -15°C (5°F) to a milder 11°C (52°F), averaging around -1°C (30°F). This winter month also experiences high humidity at 92% and receives approximately 144 mm (5.7 in) of precipitation over 13 days. In contrast, July boasts significantly warmer temperatures, with lows of 7°C (45°F) and highs reaching up to 31°C (87°F), resulting in an average of 17°C (63°F). The summer month sees slightly more precipitation at 190 mm (7.5 in) but over a few more days, totaling 18. For a more detailed look at weather in July, check Weggis weather in July.

In January, the weather is quite harsh, with temperatures ranging from a chilly -15°C (5°F) to a maximum of 11°C (52°F) and an average of -1°C (30°F). The month experiences significant precipitation of 144 mm (5.7 in) over about 13 days, combined with high humidity levels of 92%. In contrast, August brings a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable 29°C (84°F) and an average of 17°C (63°F). While it is wetter in August, with 203 mm (8.0 in) of rainfall over 18 days, the humidity is more moderate at 80%. For a deeper look at the weather specifics in August, you can visit Weggis weather in August.

January and September present contrasting weather patterns in terms of temperature and humidity. In January, temperatures can plummet to a minimum of -15°C (5°F), with an average around -1°C (30°F) and a maximum of 11°C (52°F). The month experiences considerable precipitation, totaling 144 mm (5.7 in) over 13 days, while humidity remains high at 92%. In contrast, September enjoys milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F) and an average of 13°C (56°F). Precipitation is slightly higher at 146 mm (5.8 in) over 15 days, but humidity is notably lower at 83%. For more details on September weather specifically, check out Weggis weather in September.

In January, temperatures are significantly colder, with a minimum of -15°C (5°F) and an average of -1°C (30°F), while October offers milder weather, with a minimum of 1°C (34°F) and an average of 9°C (49°F). Precipitation levels are similar, with January receiving 144 mm (5.7 in) and October slightly higher at 165 mm (6.5 in), typically spread over 13 and 14 days, respectively. Both months experience high humidity, but January is slightly higher at 92% compared to October's 90%. If you're interested in more detailed insights on October's weather, you can check out Weggis weather in October.

In January, the weather is significantly colder, with temperatures ranging from a frigid minimum of -15°C (5°F) to a maximum of 11°C (52°F) and an average of -1°C (30°F). The month experiences heavy precipitation, totaling 144 mm (5.7 in) over 13 days, coupled with high humidity levels at 92%. In contrast, November sees milder conditions, with temperatures varying from -7°C (19°F) to a more moderate maximum of 19°C (66°F) and an average of 4°C (39°F). November experiences less precipitation at 102 mm (4.0 in) across 14 days and maintains a slightly lower humidity at 88%. For more detailed information about weather conditions during this month, visit Weggis weather in November.

January and December weather in Weggis presents distinct characteristics, despite their proximity in the winter season. In January, temperatures can dip as low as -15°C (5°F) with an average of -1°C (30°F), while December enjoys slightly milder conditions, where the minimum temperature reaches -11°C (12°F) and the monthly average is at 1°C (33°F). Precipitation levels are also notable, with January experiencing 144 mm (5.7 in) over 13 days, compared to December's higher total of 171 mm (6.7 in) over 18 days. Additionally, humidity levels are quite high in both months, with January at 92% and December slightly lower at 90%. For a deeper look at December's weather specifics, check out Weggis weather in December.

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Conclusion: What to Expect From January Weather in Weggis

January in Weggis presents a striking contrast to the milder months, as the chill of winter takes hold. With temperatures plunging to an average low that can dip dramatically, it’s a time when frosty mornings and occasional snowfall characterize the landscape. Coupled with high humidity levels and frequent precipitation, January can feel particularly damp, often leading to a gloomy atmosphere. This is a stark departure from the warmer, sunnier days of spring and summer, making it a unique month for those who enjoy the serene beauty of a winter setting. For more insights into how Weggis’ weather shapes each season, explore Weggis Climate.