Last updated: August 21, 2025
December in Diekirch, Luxembourg, presents a chilly and mildly damp atmosphere, with temperatures ranging from a maximum of 14°C (57°F) to a minimum of -5°C (23°F). The average temperature sits around 4°C (39°F), making it a typically cold month. Rainfall is frequent, accumulating to 111 mm (4.4 in) over 18 days, and trapping the air with a notable humidity level of 93%. Visitors should prepare for a wet and overcast experience, making appropriate winter attire essential to enjoy the festive season in this charming town.
In Diekirch, Luxembourg, December marks a transitional phase as winter takes hold. With minimum temperatures dipping to around -5°C (23°F) and an average of 4°C (39°F), the month is crisp but not the coldest of the year. Daytime highs reach up to 14°C (57°F), a gentle reminder of the lingering warmth as the year draws to a close. Compared to previous months, December brings a noticeable chill, especially with temperatures starting to shift downward from the milder autumn days. This month sets the stage for the deep winter ahead, while still offering some respite with the occasional milder spell—perfect for enjoying the festive atmosphere in this charming town.
December in Diekirch, Luxembourg, marks a notable increase in precipitation, with an average of 111 mm (4.4 in) falling across the month—making it the wettest month of the year. This surge is reflected in the 18 days of rain, significantly higher than the preceding months, creating a stark contrast to the drier spring. As the year comes to a close, December not only showcases winter’s chill but also highlights the region's propensity for dampness during this season. Such trends underscore the importance of waterproof gear for locals and visitors alike, as they navigate the festive holiday season amid frequent showers.
In December, Diekirch, Luxembourg experiences a notable spike in humidity, reaching 93%—the highest level for the year. This increase signifies a trend of rising moisture as the cold winter months commence, coming on the heels of November's humidity of 91%. Throughout the year, humidity levels generally decline from a peak in the winter months, averaging around 90% in January and February, before dipping to their lowest point in May at 81%. However, as the year draws to a close, there is a consistent uptick, suggesting that Diekirch's climate retains a significant moisture content during winter, creating a distinct and chilly atmosphere by the end of December.
In Diekirch, Luxembourg, the UV Index climatology reveals a notable trend as the year comes to a close. By December, the UV Index plummets to 1, placing it firmly in the low exposure category, which allows for a generous burn time of 45 minutes without significant risk of skin damage. This marks a drop from the higher levels experienced in the summer months, where values soared to 9 in June and remained high through July and August. As winter progresses, residents can take comfort in knowing they are shielded from intense UV radiation, unlike the very high levels seen during the sunnier months. For more information about the UV Index year-round, visit Diekirch UV Index.
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In Diekirch, Luxembourg, December typically brings a modest 109 hours of sunshine, as the year winds down. This represents a notable dip after the peak summer months, like July, which bask in 410 hours of sunshine. The trend shows that as the seasons transition from spring to winter, daylight hours gradually decline, starting from a bright 383 hours in May to a stark contrast of 104 hours in January. While December may not shine as brightly as earlier months, it still offers a glimmer of light against the backdrop of the snowy landscape, reminding us that the warmth of longer days is on the horizon once again.
In Diekirch, Luxembourg, the likelihood of sunny weather in December drops to a modest 13%, making it one of the least sunny months of the year. This trend of diminishing sunshine continues from the 18% chance in November, highlighting a noticeable decline as winter takes hold. While the early months of the year show a gradual increase in sunny days—with March and April seeing significantly higher percentages of 43% and 49% respectively—December stands apart as a stark contrast, with festive cheer often overshadowed by cloud cover. As such, those hoping for bright skies during the holiday season might want to temper their expectations, as sunny moments will likely be few and far between.
As the year winds down in Diekirch, Luxembourg, December brings a return to shorter days, with daylight lasting just 8 hours. This marks a noticeable shift from the 13 hours of daylight seen in April, the height of springtime vitality. Overall, the trend through the months showcases a gradual increase in daylight from the depths of winter in December and January, where just 8 hours are offered, peaking at a lush 16 hours in June. As summer fades, daylight gradually diminishes, creating a cozy atmosphere leading into the winter season. Each month elegantly transitions, reflecting nature’s rhythm, inviting residents to savor the brief flickers of daylight amidst the chilly December nights.
As December settles over Diekirch, Luxembourg, the winds begin to shift, averaging 3.3 m/s (7 mph), bringing a refreshing chill that heralds the heart of winter. This month's wind speed signifies a subtle increase from the calmer conditions of late autumn, where November recorded an average of 2.9 m/s (6 mph). Interestingly, December's winds reflect a transitional phase, as they are slightly stronger than the summer months, particularly June, which saw the gentlest breezes at 2.5 m/s (6 mph). These December gusts create a captivating interplay between the crisp winter air and the festive ambiance, enticing residents and visitors alike to embrace the season’s charm while wrapped in cozy layers.
Weather in Diekirch varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Diekirch, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both offer chilly temperatures, but January is noticeably colder, with minimum temperatures dropping to -11°C (12°F) compared to December's -5°C (23°F). The average temperatures also reflect this trend, with January's average sitting at 2°C (36°F), slightly lower than December's 4°C (39°F). Additionally, December experiences higher precipitation levels of 111 mm (4.4 in) over 18 days, while January sees a reduction to 67 mm (2.6 in) across 11 days, resulting in drier conditions. Humidity remains relatively high in both months, but January's humidity stands at 91%, just slightly lower than December's 93%. For more details on January weather, you can visit Diekirch weather in January.
In December, temperatures range from a chilly -5°C (23°F) at night to a maximum of 14°C (57°F) during the day, with an average of 4°C (39°F). This month experiences significant rainfall, totaling 111 mm (4.4 in) over 18 days, and humidity levels are quite high at 93%. In comparison, February has a wider temperature range, with lows dipping to -11°C (13°F) and highs reaching 19°C (66°F), while maintaining the same average temperature of 4°C (39°F). Precipitation decreases to 70 mm (2.7 in) over just 11 days, and humidity is slightly lower at 90%. For more details, check out Diekirch weather in February.
In December, the weather is notably cold with temperatures ranging from a minimum of -5°C (23°F) to an average of 4°C (39°F), peaking at a maximum of 14°C (57°F). The month sees significant precipitation, totaling 111 mm (4.4 in) over about 18 days, coupled with high humidity levels at 93%. In contrast, March begins to show signs of warming, with temperatures varying from a minimum of -12°C (12°F) to an average of 6°C (43°F) and a high of 22°C (72°F). Although March experiences less rainfall at 76 mm (3.0 in) over 14 days, it also has slightly lower humidity at 88%. For a more detailed look at March weather, you can visit Diekirch weather in March.
In comparing the weather between December and April, there are notable differences in both temperature and precipitation. December experiences colder temperatures, with a minimum of -5°C (23°F) and an average of 4°C (39°F), while April sees a significant rise, with an average of 9°C (49°F) and a maximum of 26°C (80°F). Precipitation is higher in December, totaling 111 mm (4.4 in) across 18 days, compared to just 40 mm (1.6 in) over 9 days in April. Additionally, December's humidity is quite high at 93%, whereas April's humidity is slightly lower at 84%. For more specific information about Diekirch's April weather, you can refer to Diekirch weather in April.
December and May present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of -5°C (23°F) to a maximum of 14°C (57°F), with an average of just 4°C (39°F). This month is characterized by high humidity at 93% and significant precipitation, totaling 111 mm (4.4 in) over 18 days. In contrast, May offers a much milder climate, with temperatures ranging from a minimum of -1°C (31°F) to a warm maximum of 30°C (87°F), and an average of 13°C (56°F). May is drier, with only 69 mm (2.7 in) of precipitation spread across 12 days and lower humidity at 81%. For more details, you can check out Diekirch weather in May.
When comparing the weather in December to that of June, notable contrasts emerge. December experiences colder temperatures with a minimum of -5°C (23°F) and an average of 4°C (39°F), while June is much warmer, with temperatures ranging from a minimum of 6°C (44°F) to an average of 18°C (64°F) and a maximum of 34°C (93°F). Additionally, December sees higher precipitation levels, totaling 111 mm (4.4 in) spread across 18 days, compared to June’s 69 mm (2.7 in) over just 11 days. Humidity levels also differ, with December hovering at 93%, slightly higher than June’s 82%. For a closer look at June weather specifics, check out Diekirch weather in June.
December and July present stark contrasts in weather, showcasing the seasonal extremes experienced in this region. In December, temperatures range from a chilly -5°C (23°F) at night, averaging around 4°C (39°F), and reaching a maximum of 14°C (57°F). This month also sees significant precipitation, with 111 mm (4.4 in) spread over 18 days, accompanied by high humidity at 93%. In contrast, July offers a much warmer climate with nighttime lows of 8°C (46°F) and daytime averages soaring to 19°C (66°F), peaking at a blistering 38°C (101°F). Rainfall is less frequent in July, totaling 72 mm (2.9 in) over just 9 days, and the humidity is slightly lower at 82%. These differences make December a time of cold and wet discomfort, while July provides warmth and summer vitality. For more details on the weather in July, you can visit Diekirch weather in July.
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 4°C (39°F). The month experiences significant precipitation, amounting to 111 mm (4.4 in) over 18 days, along with high humidity levels at 93%. In contrast, August boasts much warmer temperatures, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a maximum reaching 35°C (95°F). This summer month sees less precipitation, at 64 mm (2.5 in) over 12 days, and lower humidity at 80%. For more detailed weather information, you can visit Diekirch weather in August.
December and September exhibit stark contrasts in weather. In December, temperatures range from a chilly -5°C (23°F) to a maximum of 14°C (57°F), with an average of 4°C (39°F). This month experiences significant precipitation, totaling 111 mm (4.4 inches) over 18 days, along with high humidity levels at around 93%. Conversely, September offers much milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a warm maximum of 32°C (90°F) and an average of 15°C (59°F). The month sees substantially less rainfall, with only 58 mm (2.3 inches) over 9 days and humidity at a lower 83%. For more detailed information on September weather, you can visit Diekirch weather in September.
In comparing the weather of December and October, it's clear that December is significantly colder, with average temperatures hovering around 4°C (39°F), while October enjoys milder conditions with an average of 11°C (51°F). The minimum temperature in December drops to a frigid -5°C (23°F), contrasting sharply with October's minimum of 0°C (32°F). Additionally, December experiences more precipitation, totaling 111 mm (4.4 in) over approximately 18 days, compared to October's 74 mm (2.9 in) across 11 days. Humidity levels are higher in December at 93%, slightly above October's 89%. For a more detailed look at October's weather, you can visit Diekirch weather in October.
December's weather tends to be slightly colder compared to November, with average temperatures ranging from a minimum of -5°C to a maximum of 14°C, while November features temperatures from -4°C to 19°C. Additionally, December experiences more precipitation, totaling 111 mm over 18 days, compared to November's 65 mm over 12 days. Humidity levels are also marginally higher in December at 93%, compared to November's 91%. For a closer look at November's weather specifics, you can visit Diekirch weather in November.
As December rolls into Diekirch, the weather shifts dramatically from the mildness of autumn to the chill of winter. This month is marked by significantly lower average temperatures, with chilly nights dipping to a frosty low that contrasts sharply with the rest of the year. Rainfall becomes more frequent, as 111 mm of precipitation is recorded over 18 days, creating a damp atmosphere that adds a layer of gray to the season. The high humidity of 93% further enhances the cold bite, offering a stark reminder of winter's embrace. For those interested in a more detailed view of the climate shifts throughout the year, visit Diekirch Climate.