January Weather in Vianden, Luxembourg

Last updated: August 21, 2025

January in Vianden, Luxembourg presents a crisp and chilly climate characterized by significant temperature fluctuations. With a maximum of 11°C (52°F) and a minimum plunging to -14°C (8°F), residents and visitors alike experience a stark contrast in the winter atmosphere. The average temperature hovers around 1°C (35°F), setting the tone for a month marked by frequent precipitation. Over 12 days, 72 mm (2.8 in) of rain graces the region, while a high humidity level of 91% adds to the cold, damp feel of the air. Embrace the enchanting wintry charm of Vianden as it transforms into a picturesque landscape during this frosty season.

January Temperature in Vianden

In Vianden, Luxembourg, January brings a crisp chill, with temperatures dipping as low as -14°C (8°F) and an average hovering around 1°C (35°F). The month showcases stark contrasts, reaching a mild maximum of 11°C (52°F), hinting at the gradual transition towards the warmer months. This pattern of cold mornings and relatively mild afternoons continues into February, where temperatures slightly rise. Overall, January sets the tone for the winter season, characterized by frosty mornings that gradually give way to more moderate midday warmth, as the region begins to shed its cold-weather shroud in anticipation of spring.

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

The chart illustrates January temperature patterns in Vianden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vianden, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343741485463646457504138
Data source: Temperature data for Vianden 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 Vianden

In January, Vianden, Luxembourg experiences a moderate precipitation level of 72 mm (2.8 in), falling on approximately 12 days of the month. This sets the stage for a relatively wet winter period, with January’s rainfall closely mirroring February's. As the seasons transition, rainfall increases in March, reaching 82 mm (3.2 in) over 16 days, suggesting a shift toward a more humid atmosphere. Interestingly, April sees a sharp decrease, with only 41 mm (1.6 in) over 9 days, indicating a brief respite before the April showers make way for the usually more dynamic late spring and summer months. These trends reflect a pattern where early winter yields to a spate of rainfall, only to taper off before entering a drier season leading into spring.

January Precipitation Trends in Vianden

The chart displays monthly precipitation patterns in Vianden, 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 Vianden, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7273824173767770637564114
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Vianden

In January, Vianden, Luxembourg, experiences its most humid month, with a remarkable 91% humidity level that sets the tone for the winter season. Following closely, February remains slightly lower at 90%, creating a chilly atmosphere that lingers into early spring. As temperatures begin to rise in March and April, humidity levels gradually decrease, dropping to 88% and 84%, respectively. This trend continues into late spring and early summer, with May reaching 81%, before stabilizing around 82% during the warmer months of June and July. August sees a slight dip to 80%, providing a brief respite before humidity levels climb back up to 83% in September, signaling the onset of autumn. October and November witness a resurgence in moisture, with humidity returning to 89% and 91%, while December closes the year at a brisk 93%, highlighting the region's tendency toward high humidity during the winter months. Overall, Vianden's humidity levels reflect a clear seasonal pattern, oscillating between peak winter saturation and milder summer comfort.

January Average Humidity in Vianden

This chart illustrates the average monthly humidity levels in Vianden, 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 Vianden is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Vianden

In January, Vianden experiences a low UV Index of 2, indicating minimal risk for sunburn with a burn time of approximately 45 minutes. As the seasons transition into February and March, the UV Index rises to 3 and 4 respectively, reflecting a moderate exposure category and reducing the safe burn time to 30 minutes. This upward trend peaks in the warmer months of April, where the UV Index escalates to 6, classified as high, shortening burn time to 25 minutes. The summer months of May and June see the UV Index soar to a striking 8 and 9, classified as very high, demanding cautious sun exposure of just 15 minutes. Following this peak, the index remains high throughout July and gradually decreases in August and September, settling at 6 in October. The year wraps up with lower UV readings in November and December, returning to low levels of 2 and 1, once again allowing for longer sun exposure of 45 minutes. For a detailed understanding of seasonal UV trends and safety measures, visit the Vianden UV Index.

Maximum UV Index Levels in Vianden for January

The chart shows the monthly maximum UV Index (UVI) for Vianden 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 Vianden typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Vianden 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 Vianden

Although January in Vianden, Luxembourg, welcomes the year with only 98 hours of sunshine, it marks the beginning of a gradual upward trend as the days slowly lengthen. As winter recedes, February sees a notable increase to 188 hours, setting the stage for March's impressive 250 hours of golden rays. Spring brings even more light, with April and May dazzling residents with 347 and 381 hours, respectively. The sun reaches its zenith in the summer months, peaking at 404 hours in July before a gentle decline begins in August. However, even with the decrease, the later months still bask in a respectable glow, showcasing September's 311 hours. This delightfully sunny trajectory continues into October and November, ultimately resting at 165 hours in November, before the cycle begins anew in the chilly embrace of December's 104 hours. This annual dance of light highlights Vianden's seasonal journey from the depths of winter to the vibrant warmth of summer.

Monthly Sunshine Duration in Vianden: January Highlighted

The January sunshine duration represents the total number of hours Vianden 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h188h250h347h381h401h404h378h311h225h165h104h
Data source: Vianden January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vianden During January

In Vianden, Luxembourg, January brings a mere 8% chance of sunny weather, making it one of the cloudiest months of the year. As the calendar flips to February, the likelihood of sunshine more than triples to 31%, heralding a gradual shift toward brighter days. This upward trend continues through the spring months, with March and April seeing sun chances rising to 42% and 46%, respectively. By the time we reach May, the sun’s presence becomes more consistent, although it dips slightly to 30%. The warm summer months provide a welcome contrast, with the chances of sunny weather overall better in the subsequent months. Thus, while January may be draped in clouds, the promise of brighter skies soon follows as winter yields to spring.

Percentage of Sunny Days in January in Vianden

The chart illustrates the percentage of sunny days in Vianden 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 Vianden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%31%42%46%30%30%33%28%38%27%17%12%
Data source: Vianden January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vianden in January

In Vianden, Luxembourg, January brings a modest 8 hours of daylight, but as the month progresses and we transition into February, we joyfully welcome an increase to 10 hours. This upward trend continues into spring, with March and April showcasing 11 and 13 hours respectively, as the days stretch longer and sunnier. By May, daylight reaches a delightful 15 hours, peaking in June at 16 hours, inviting outdoor adventures and the vibrant life of summer. As we move into the warmer months, daylight gradually wanes, with July and August delivering 15 and 14 hours. The descent continues into fall, where September sees 12 hours, followed by October's 10 hours. The cycle of daylight concludes with November and December, each returning to the tranquil 8 hours. This rhythm of the seasons reflects a beautiful pattern in Vianden, reminding us of the elegant transition from winter’s quiet to the lively embrace of summer.

Average Daylight Hours in Vianden for January

The chart illustrates the variation in daylight duration in Vianden throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 36m10h 4m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h8h 7m
Data source: Vianden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Vianden

In January, Vianden, Luxembourg, awakens to an average wind speed of 4.0 m/s (9 mph), setting a brisk tone for the month. This lively breeze is among the highest of the year, hinting at winter's hold before the gentle winds of spring emerge. As temperatures rise into February and March, the winds slightly ease, averaging 3.8 m/s (9 mph), reflecting a gradual transition in the atmosphere. The trend continues into April, where a more subdued average of 3.4 m/s (8 mph) signals a shift towards calmer, warmer days. The month of May surprises with a gentle uptick back to 4.2 m/s (9 mph), as nature stirs in anticipation of summer. Interestingly, June and September experience the calmest periods, with wind speeds dropping to 2.6 m/s (6 mph) and 2.4 m/s (5 mph), respectively, inviting a tranquil end to spring and summer. Overall, the evolving patterns in Vianden's winds mark the changing seasons, offering a captivating glimpse into the region's climatic rhythm.

Average January Wind Speed in Vianden

The chart displays monthly wind speed patterns in Vianden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.0 m/s3.83.83.44.22.63.03.32.43.73.03.5
Data source: Vianden January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Vianden Compares to Other Months

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

In January, the weather is quite cold with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 11°C (52°F), averaging around 1°C (35°F). The month sees considerable precipitation, totaling 72 mm (2.8 in) across 12 days, and the humidity remains high at 91%. In contrast, February brings slightly milder conditions, with temperatures ranging from a low of -12°C (12°F) to a high of 18°C (65°F) and an average of 3°C (37°F). Precipitation is similar, measuring 73 mm (2.9 in) over the same number of days, while humidity is just marginally lower at 90%. For more details on the weather specifics, you can check Vianden weather in February.

In January, the weather is notably colder, with average temperatures hovering around 1°C (35°F) and a minimum of -14°C (8°F). The month experiences significant precipitation, accumulating 72 mm (2.8 in) over about 12 days, coupled with high humidity levels at 91%. In contrast, March brings a noticeable warming trend, with average temperatures rising to 5°C (42°F) and maximums reaching 21°C (70°F). Although March sees slightly higher precipitation at 82 mm (3.2 in) across 16 days, humidity levels decrease to 88%. This transition highlights a shift from the harsh winter conditions of January to the emerging spring warmth of March. For more information on precipitation patterns, you can check Vianden weather in March.

January weather is characterized by much colder temperatures, with a minimum of -14°C (8°F) and an average of just 1°C (35°F). In contrast, April experiences a milder climate, featuring minimum temperatures around -3°C (26°F) and an average of 9°C (48°F), with highs reaching up to 26°C (78°F). Precipitation is also more frequent in January, with 72 mm (2.8 in) over 12 days compared to April's 41 mm (1.6 in) across 9 days. Additionally, January has higher humidity levels at 91%, while April's humidity is relatively lower at 84%. For more detailed information, you can check Vianden weather in April.

In January, the weather is characterized by cold temperatures, with minimums dipping as low as -14°C (8°F) and an average of just 1°C (35°F). The month sees around 72 mm (2.8 in) of precipitation over 12 days, coupled with high humidity levels at 91%. In stark contrast, May brings a significant warming trend, with minimum temperatures around -1°C (30°F) and averages of 12°C (54°F), peaking at 30°C (86°F) on warmer days. Precipitation remains similar at 73 mm (2.9 in) but is spread across 14 days, and humidity drops slightly to 81%. For a closer look at what to expect, you can visit Vianden weather in May.

January and June present strikingly different weather patterns. In January, temperatures can plunge as low as -14°C (8°F) with a chilly average of 1°C (35°F) and a maximum of 11°C (52°F). This month experiences higher humidity levels at 91%, accompanied by approximately 72 mm (2.8 in) of precipitation over 12 days. In contrast, June brings a much milder climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), averaging around 17°C (63°F). While the precipitation is slightly higher at 76 mm (3.0 in) across 13 days, humidity decreases to 82%. For more details, you can explore Vianden weather in June.

January and July present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -14°C (8°F), with an average of about 1°C (35°F) and a maximum of 11°C (52°F). The month typically sees around 72 mm (2.8 in) of precipitation across 12 days, accompanied by high humidity at 91%. In sharp contrast, July boasts much warmer temperatures, with a minimum of 6°C (44°F) and reaching as high as 37°C (99°F), averaging 18°C (65°F). Precipitation slightly increases to 77 mm (3.0 in) but occurs over just 11 days, with lower humidity at 82%. For a more detailed look at July weather specifically, you can check Vianden weather in July.

When comparing the weather in January and August, a stark contrast emerges. January experiences frigid temperatures, with lows reaching -14°C (8°F) and an average of around 1°C (35°F), while August boasts much warmer temperatures, with a minimum of 5°C (41°F) and an average of 18°C (64°F), peaking at a high of 34°C (93°F). Precipitation levels are similar in both months, with January receiving 72 mm (2.8 in) over 12 days and August slightly less at 70 mm (2.7 in) across 14 days. Additionally, January's humidity is notably higher at 91%, compared to August's more comfortable 80%. For a detailed look at the weather specifics in August, check out Vianden weather in August.

In January, the weather is significantly colder, with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 11°C (52°F) and an average of only 1°C (35°F). This month experiences high humidity at 91% and sees about 72 mm (2.8 in) of precipitation over 12 days. In contrast, September offers much milder conditions, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F), and an average of 14°C (57°F). The month has lower humidity at 83% and records slightly less precipitation, totaling 63 mm (2.5 in) over 9 days. For more details about the pleasant weather in September, you can check out Vianden weather in September.

January and October present contrasting weather experiences. In January, temperatures plummet, with lows reaching -14°C (8°F) and averages around 1°C (35°F), while October enjoys milder conditions with a minimum of 0°C (32°F) and an average of 10°C (50°F). January also sees a higher humidity level, peaking at 91%, compared to October's 89%. Precipitation is similar, with January receiving 72 mm (2.8 in) over 12 days and October slightly higher at 75 mm (3.0 in) over 11 days. For more detailed insights into October weather, check out Vianden weather in October.

January and November showcase quite different weather patterns. In January, temperatures can plummet to a minimum of -14°C (8°F), with an average of 1°C (35°F) and a maximum of 11°C (52°F), accompanied by significant precipitation of 72 mm (2.8 in) over 12 days. The humidity remains high at 91%. Conversely, November experiences milder conditions, with temperatures ranging from a minimum of -5°C (23°F) to an average of 5°C (41°F) and a maximum of 18°C (65°F). Precipitation during this month is slightly lower at 64 mm (2.5 in), also spread across 12 days, yet the humidity remains consistent at 91%. For a more detailed look at the conditions, refer to Vianden weather in November.

In comparing the weather between January and December, January tends to be colder overall, with average temperatures ranging from a minimum of -14°C (8°F) to a maximum of 11°C (52°F), while December experiences milder conditions, with temperatures ranging from -5°C (23°F) to 13°C (56°F). Additionally, January has a lower total precipitation of 72 mm (2.8 in) over approximately 12 days, as opposed to December, which sees higher precipitation levels of 114 mm (4.5 in) spread across 19 days. Humidity levels are fairly similar, remaining high at 91% in January and 93% in December. For more detailed insights into December weather, visit Vianden weather in December.

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Conclusion: What to Expect From January Weather in Vianden

January in Vianden brings a stark contrast to the milder months, as winter firmly settles in. With temperatures often dipping below freezing, the air is imbued with a chilling crispness, while the high humidity can make the cold feel even more penetrating. Over the course of the month, precipitation occurs on about half of the days, contributing to a damp ambiance that is characteristic of winter. This period not only challenges outdoor ventures but also invites a cozy atmosphere indoors. If you're looking to explore this unique winter climate further, check out Vianden Climate for more details.