Last updated: August 21, 2025
In Vianden, Luxembourg, December presents a chilly yet enchanting atmosphere, characterized by maximum temperatures hovering around 13°C (56°F) and dipping to an average of 3°C (38°F). The month experiences a brisk minimum of -5°C (23°F), making it essential for visitors to bundle up. With 114 mm (4.5 in) of precipitation spread over 19 days, the likelihood of encountering rain or snow is high, contributing to a 93% humidity level that envelops the town in a misty embrace. Despite the cool and damp conditions, Vianden's winter charm offers a unique experience, inviting exploration of its picturesque landscapes and historical sites.
In December, Vianden, Luxembourg experiences a notable drop in temperatures, as the region transitions deeper into winter. With minimums hovering around -5°C (23°F), chilly air envelops the town, creating a crisp atmosphere ideal for cozy festivities. The average temperature stands at a cool 3°C (38°F), while the mercury can occasionally rise to a pleasant maximum of 13°C (56°F), offering a brief respite from the winter chill. As December progresses, locals and visitors alike can expect a charming wintry landscape that embodies the spirit of the season, while also hinting at the colder months yet to come.
December in Vianden, Luxembourg, marks a notable peak in precipitation, with 114 mm (4.5 in) of rain falling over 19 days—the highest total for the year. This substantial moisture contrasts sharply with the drier months of April and September, where totals dipped to just 41 mm (1.6 in) and 63 mm (2.5 in), respectively. December's rainy days also outnumber those in other months, suggesting a transition into the colder season when storms become more frequent. As the year concludes, Vianden experiences a climactic shift in weather, emphasizing the region's dynamic climate, which oscillates between drier spells and the winter deluge that defines its December landscape.
In Vianden, Luxembourg, December ushers in a noticeable shift in humidity, peaking at an impressive 93%. This signifies a gradual rise from the more moderate levels of earlier months. Beginning at 81% in May, humidity levels steadily climb as the year progresses, reflecting the increasing grip of winter. By the end of the year, both November and December showcase the highest humidity readings, suggesting that as temperatures drop, the air holds more moisture. This trend, marked by the transition from the dry, warm days of summer to the chilly, damp conditions of winter, highlights the unique climatic character that defines Vianden during the festive season.
In December, Vianden experiences a UV Index of 1, placing it in the low exposure category with a burn time of approximately 45 minutes. This marks a notable decline from the higher indices of earlier months, particularly the very high levels seen in May, June, and July. As the year winds down, sunlight intensity diminishes, beckoning residents and visitors to enjoy the crisp winter air while remaining mindful of the sun’s rays during rare sunny days. For those curious about the UV index throughout the year, including December's unique position, you can find more details at Vianden UV Index.
UV Risk Categories
As December unfolds in Vianden, Luxembourg, daylight begins to wane, wrapping the charming town in a tranquil embrace. With only 104 hours of sunshine, the month marks a dip compared to the vibrant 381 hours in May and 404 hours in July. This reduction in sunlight heralds the arrival of winter, as the days grow shorter and grayer. However, December's cool, crisp air adds a unique allure to Vianden, inviting visitors to explore its picturesque streets and historic sites, all while basking in the soft glow of twinkling festive lights. As autumn fades into winter, the contrast between the sun-drenched summer months and the subdued December sky emphasizes the seasonal rhythm of this enchanting locale.
In Vianden, Luxembourg, the likelihood of encountering sunny weather in December is notably low, at just 12%. This figure starkly contrasts with the more optimistic sunshine chances found in earlier months, particularly from March through April, when the probability climbs to 42% and 46%, respectively. As the year winds down, the trend shows a significant decline in sunny days, culminating in the gloomier winter months, where November sits at 17% and December further dips. Therefore, if you're hoping to bask in the sun during the festive season, it might be wise to prepare for overcast skies rather than engage in sun-soaked activities.
In Vianden, Luxembourg, daylight duration experiences a distinct seasonal rhythm, beginning its journey in December with a modest 8 hours of sunlight. As the year unfolds, the days gradually lengthen, peaking in June with a generous 16 hours of daylight. Following this peak, the light fades again, tapering to 14 hours in August and descending to 10 hours in October. By November, the days dwindle to 9 hours, mirroring the December gloom as daylight returns to 8 hours. This cyclical pattern not only marks the transition of the seasons but also offers a poignant reminder of nature's influence on our daily lives, with longer days brightening the vibrant months of spring and summer before yielding to the tranquil stillness of winter.
As December settles in Vianden, Luxembourg, the average wind speed hovers at 3.5 m/s (8 mph), maintaining a gentle yet persistent breeze. This month experiences a slight uptick from the calmer autumn winds of November, which averaged 3.0 m/s (7 mph). Interestingly, December's winds are stronger than the summer months, where the peak average was just 3.3 m/s (7 mph) in August. Overall, the trend showcases a gradual return to brisker conditions as the year draws to a close. This resurgence of wind invites cozy moments by the fireplace, while also reminding us of the invigorating chill characteristic of winter in this quaint Luxembourgish town.
Weather in Vianden varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Vianden, focusing on differences in temperature, rainfall, humidity, and UV levels.
December weather tends to be milder compared to January, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 13°C (56°F) and an average temperature of 3°C (38°F). In contrast, January experiences significantly colder conditions, featuring a minimum of -14°C (8°F) and an average temperature of 1°C (35°F), with a maximum of 11°C (52°F). Additionally, December sees more precipitation, with 114 mm (4.5 in) over 19 days, while January has less, at 72 mm (2.8 in) across 12 days. Humidity is also slightly higher in December at 93%, compared to 91% in January. For a more detailed look at January weather, you can visit Vianden weather in January.
December and February exhibit notable differences in weather patterns. In December, temperatures range from a chilly -5°C (23°F) to a milder 13°C (56°F), with an average temperature of 3°C (38°F). This month sees significant precipitation, totaling 114 mm (4.5 in) over 19 days, with humidity levels peaking at 93%. In contrast, February experiences lower minimum temperatures, dipping to -12°C (12°F), but the maximum can reach 18°C (65°F), maintaining an average similar to December at 3°C (37°F). Precipitation is less frequent, totaling 73 mm (2.9 in) over 12 days, with a humidity level of 90%. For a detailed look at the weather conditions in February, visit Vianden weather in February.
December and March present distinct weather patterns, showcasing the transition from winter to spring. In December, temperatures range from a chilly minimum of -5°C (23°F) to a maximum of 13°C (56°F), with an average of 3°C (38°F). The month is characterized by high humidity at 93% and a total of 114 mm (4.5 in) of precipitation over 19 days, making it a grey and damp time of year. Conversely, March experiences slightly warmer conditions with temperatures ranging from a low of -13°C (8°F) to a pleasant high of 21°C (70°F), and an average of 5°C (42°F). Though March also sees wet weather, with 82 mm (3.2 in) over 16 days, the humidity is slightly lower at 88%. For further details on March weather, visit Vianden weather in March.
December and April present contrasting weather experiences. In December, temperatures can plunge to a minimum of -5°C (23°F) with an average of 3°C (38°F), while maximums reach around 13°C (56°F). The month is characterized by high precipitation, totaling 114 mm (4.5 in) over approximately 19 days, accompanied by a humidity level of 93%. In stark contrast, April sees a milder climate with minimum temperatures of -3°C (26°F) and an average of 9°C (48°F), peaking at a warm 26°C (78°F). Precipitation during April is significantly lower, at 41 mm (1.6 in) and occurring over just 9 days, with humidity dropping to 84%. For more details about the weather in April, visit Vianden weather in April.
In December, the weather is much colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 13°C (56°F), and an average of 3°C (38°F). The month experiences significant precipitation, with 114 mm (4.5 in) over 19 days and high humidity at 93%. In contrast, May brings milder conditions, featuring temperatures that range from -1°C (30°F) to a warm maximum of 30°C (86°F) and an average of 12°C (54°F). This month sees less precipitation at 73 mm (2.9 in) across 14 days and lower humidity at 81%. For a detailed look at May weather in Vianden, you can visit Vianden weather in May.
December and June present stark contrasts in weather. In December, temperatures range from a chilly -5°C (23°F) to a maximum of 13°C (56°F), with an average of 3°C (38°F), often accompanied by high humidity levels at 93%. The month is also quite wet, experiencing 114 mm (4.5 in) of precipitation over 19 days. In sharp contrast, June boasts much warmer temperatures, with a minimum of 6°C (43°F) and an average of 17°C (63°F), reaching up to a high of 32°C (90°F). Rain is less prevalent, with 76 mm (3.0 in) of precipitation spread over 13 days, and the humidity is slightly lower at 82%. To explore more about the pleasant June weather, check out Vianden weather in June.
The weather in December starkly contrasts with that of July. In December, temperatures range from a chilly -5°C (23°F) at night to a mild 13°C (56°F) during the day, with an average of 3°C (38°F). This month also sees substantial precipitation, totaling 114 mm (4.5 in) over 19 days, along with high humidity levels at 93%. In comparison, July experiences much warmer conditions, with temperatures ranging from a minimum of 6°C (44°F) to a sweltering maximum of 37°C (99°F) and an average of 18°C (65°F). Precipitation is less frequent in July, amounting to 77 mm (3.0 in) across just 11 days, and the humidity, while lower than in December, still remains high at 82%. For more specific insights into the climate, you can check Vianden weather in July.
December and August present strikingly different weather patterns. In December, temperatures can drop to a minimum of -5°C (23°F) and typically hover around 3°C (38°F), peaking at 13°C (56°F). The month is characterized by high humidity at 93% and significant precipitation, averaging 114 mm (4.5 in) over 19 days. In contrast, August enjoys much milder conditions, with temperatures ranging from a minimum of 5°C (41°F) to an average of 18°C (64°F), and reaching highs of 34°C (93°F). This month sees less rainfall, with 70 mm (2.7 in) spread over 14 days and a lower humidity level of 80%. For a closer look at weather conditions during this vibrant summer month, check out Vianden weather in August.
When comparing the weather in December and September, significant contrasts emerge. December brings a chillier climate, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 13°C (56°F) and an average of just 3°C (38°F). The month is also characterized by high humidity levels at 93% and considerable precipitation, totaling 114 mm (4.5 in) over 19 days. In contrast, September enjoys milder conditions, featuring a temperature range from 3°C (37°F) to a warm 32°C (90°F), with an average of 14°C (57°F). Precipitation in September is lighter, at 63 mm (2.5 in) over only 9 days, and the humidity is more manageable at 83%. Such differences illustrate the transition from late summer warmth to the frigid embrace of winter. For more specific insights into September weather in Vianden, you can check this link: Vianden weather in September.
In comparing the weather between December and October, a notable shift in temperature and conditions becomes evident. December experiences colder minimum temperatures, averaging around -5°C (23°F) with highs reaching only 13°C (56°F), while October showcases milder temperatures, ranging from a minimum of 0°C (32°F) to a pleasant maximum of 24°C (75°F). Additionally, December has significantly higher precipitation, with 114 mm (4.5 in) over 19 days, compared to October's 75 mm (3.0 in) across just 11 days. Humidity levels are also slightly elevated in December at 93%, versus October's 89%. For more specific details on the October weather, you can refer to Vianden weather in October.
December weather tends to be colder and wetter than that of November. While December has a minimum temperature that matches November's at -5°C (23°F), it features a lower average of 3°C (38°F) compared to November's 5°C (41°F), and a significantly cooler maximum temperature of 13°C (56°F) versus November's 18°C (65°F). Additionally, December experiences more precipitation, totaling 114 mm (4.5 in) over 19 days, whereas November receives just 64 mm (2.5 in) across 12 days. The humidity in December is slightly higher at 93%, compared to November's 91%. For a detailed look at the November weather, you can check Vianden weather in November.
As December unfolds in Vianden, the chill of winter becomes palpable, presenting a stark contrast to the milder months preceding it. With average temperatures hovering around just 3°C and nights plunging to as low as -5°C, this month embodies a true wintry feel, significantly cooler than its autumn counterparts. The skies are frequently overcast, contributing to a high humidity level of 93% and a notable 114 mm of precipitation spread across 19 days. This damp atmosphere, coupled with the biting cold, underscores the shift to a season where cozy indoor activities take precedence. For a deeper insight into how Vianden's weather patterns evolve throughout the year, explore the detailed information available at Vianden Climate.