December Weather in La Roche-en-Ardenne, Belgium

Last updated: August 21, 2025

December in La Roche-en-Ardenne, Belgium is a month characterized by chilly temperatures and frequent precipitation. The average temperature hovers around 4°C (39°F), with maximum highs reaching 14°C (57°F) and nighttime lows dipping to a brisk -5°C (23°F). Residents and visitors should prepare for a moist holiday season, as the region experiences approximately 130 mm (5.1 in) of rain over 20 days in December, contributing to a high humidity level of 92%. Whether you’re enjoying cozy evenings indoors or exploring the picturesque winter landscape, La Roche-en-Ardenne offers a unique charm during this season.

December Temperature in La Roche-en-Ardenne

In December, La Roche-en-Ardenne transitions into winter, showcasing temperatures that suggest a gradual chill in the air. With a minimum of -5°C (23°F) and an average of 4°C (39°F), the month feels distinctly colder compared to the milder feels of earlier months. As the days progress, the maximum temperature lingers around 14°C (57°F), which, while crisp, still offers pockets of warmth as the landscape transforms under a blanket of frost. This shift marks a cozy period where residents and visitors alike can embrace the simple joys of winter, from warming fires to festive markets, all while witnessing the enchanting beauty of the Belgian Ardennes.

December Weather in La Roche-en-Ardenne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in La Roche-en-Ardenne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Roche-en-Ardenne, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec363942485462646457514239
Data source: Temperature data for La Roche-en-Ardenne 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.

December Precipitation in La Roche-en-Ardenne

In December, La Roche-en-Ardenne experiences a significant uptick in precipitation, with 130 mm (5.1 in) of rain falling over 20 days. This marks the wettest month of the year, surpassing November's totals and reflecting a shift into the heart of winter weather patterns. The increase in both the volume of rainfall and the number of rainy days underscores December's role as a transitional period, where the days are often cloaked in a persistent mist, showcasing the region's enchanting beauty. This trend of heightened precipitation aligns with the cooler temperatures of the season, setting the stage for a cozy holiday atmosphere punctuated by the rhythm of steady rain.

December Precipitation Trends in La Roche-en-Ardenne

The chart displays monthly precipitation patterns in La Roche-en-Ardenne, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In La Roche-en-Ardenne, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec91851014681908683739469130
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in La Roche-en-Ardenne

As December unfolds in La Roche-en-Ardenne, Belgium, the town experiences a noticeable increase in humidity, peaking at a significant 92%. This rise comes on the heels of the late autumn months, where humidity levels lingered around 91% in November. While the summer months bring a refreshing dip to around 72%, the transition into winter is characterized by a steady climb back to dampness. Interestingly, the year starts with January retaining a consistently high humidity of 91%, indicating a pattern where the cold months are marked by elevated moisture levels. This trend highlights La Roche-en-Ardenne's characteristic winter chill, enveloping the landscape in a soft, misty embrace as nature prepares for the coming frosts.

December Average Humidity in La Roche-en-Ardenne

This chart illustrates the average monthly humidity levels in La Roche-en-Ardenne, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in La Roche-en-Ardenne is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Roche-en-Ardenne

As we move into December in La Roche-en-Ardenne, Belgium, the UV Index drops to a low 1, indicating a minimal need for sun protection. This pattern reflects the overall trend observed throughout the year, where summer months peak with a very high UV Index of 8, necessitating quick sun safety measures with a burn time of just 15 minutes. In contrast, the colder months of November and December exhibit lower indices of 2 and 1, respectively, allowing for a relaxed approach to sun exposure with burn times extending to 45 minutes. The gradual decrease from October’s moderate 4 showcases the transition into winter, marking a significant change in sunlight intensity. For more details on UV levels throughout the year, visit La Roche-en-Ardenne UV Index.

Maximum UV Index Levels in La Roche-en-Ardenne for December

The chart shows the monthly maximum UV Index (UVI) for La Roche-en-Ardenne in December, 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 December, the maximum UV index in La Roche-en-Ardenne typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234588876421
Data source: La Roche-en-Ardenne December 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.

December Sunshine in La Roche-en-Ardenne

In La Roche-en-Ardenne, December can be a time of dwindling daylight, with only 124 hours of sunshine illuminating the month. This is a stark contrast to the vibrant spring and summer months, where hours peak at over 400. The sunshine trend clearly illustrates a gradual decline from the heights of July and June into the depths of winter, with hours decreasing from 407 in July to December's modest total. Interestingly, while December offers the least sunshine of the year, it still surpasses the gloomy depths of January, which begins the year with just 112 hours. This seasonal ebb and flow of sunlight not only shapes the landscape but also invites visitors to embrace the unique, tranquil charm of the Belgian Ardennes in winter.

Monthly Sunshine Duration in La Roche-en-Ardenne: December Highlighted

The December sunshine duration represents the total number of hours La Roche-en-Ardenne experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec112h199h266h346h396h405h407h382h319h240h183h124h
Data source: La Roche-en-Ardenne December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Roche-en-Ardenne During December

In La Roche-en-Ardenne, Belgium, the likelihood of enjoying sunny weather in December is relatively low, with only a 14% chance of sunshine. This trend reflects a noticeable decline as the year progresses; from the 40% in March to a peak of 46% in April, the probability of clear skies wanes significantly as winter approaches. By the time December arrives, residents can expect greyer days, following a pattern where the chances of sunshine decrease sharply from the autumn months, where September boasts a 38% chance. Thus, if you're planning to visit during this time, it might be wise to pack an umbrella rather than sunglasses!

Percentage of Sunny Days in December in La Roche-en-Ardenne

The chart illustrates the percentage of sunny days in La Roche-en-Ardenne throughout the year, with December 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 La Roche-en-Ardenne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%32%40%46%31%31%32%27%38%28%21%14%
Data source: La Roche-en-Ardenne December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Roche-en-Ardenne in December

In La Roche-en-Ardenne, Belgium, December brings a return to shorter days, with approximately 8 hours of daylight, mirroring the light levels of January and November. This pattern reflects a notable trend through the year, where daylight peaks in the summer months of May and June at 15 and 16 hours, respectively. As the seasons change, the gradual decline in daylight becomes apparent, illustrating the picturesque cycle of nature in this charming locale. With daylight durations dipping to their lowest in the heart of winter, the enchanting landscape is often blanketed in serene stillness, inviting a moment of reflection during these shorter days.

Average Daylight Hours in La Roche-en-Ardenne for December

The chart illustrates the variation in daylight duration in La Roche-en-Ardenne throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 34m10h 4m11h 55m13h 49m15h 28m16h 19m15h 51m14h 23m12h 33m10h 40m8h 59m8h 6m
Data source: La Roche-en-Ardenne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in La Roche-en-Ardenne

In La Roche-en-Ardenne, December brings a refreshing bite to the air, with wind speeds averaging 4.1 m/s (about 9 mph). As winter settles in, the wind tends to pick up slightly compared to the preceding months, maintaining a brisk pace that mirrors the seasonal transition. Notably, October and May also enjoy some of the highest winds of the year, both averaging 4.4 m/s (10 mph), suggesting that seasonal fluctuations are closely tied to shifts in atmospheric conditions. While summer months like June and September feature gentle breezes averaging only 2.7 m/s, December serves as a reminder of nature’s vigor in the heart of winter. Overall, the trend reflects a dynamic climate that gracefully ebbs and flows with the seasons, inviting both tension and tranquility as the year draws to a close.

Average December Wind Speed in La Roche-en-Ardenne

The chart displays monthly wind speed patterns in La Roche-en-Ardenne, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.64.13.44.42.73.53.42.74.43.34.1 m/s
Data source: La Roche-en-Ardenne December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in La Roche-en-Ardenne Compares to Other Months

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

December and January both showcase the chill of winter, but there are distinct differences in their weather patterns. December typically has milder temperatures, with a minimum of -5°C (23°F) and an average of 4°C (39°F), while January sees a drop, reaching a minimum of -13°C (9°F) and an average of 2°C (36°F). Precipitation in December is higher at 130 mm (5.1 in) over 20 days, compared to January's 91 mm (3.6 in) over just 14 days, indicating slightly drier conditions later in the season. Humidity remains high in both months, hovering around 92% in December and slightly lower at 91% in January. For more specific weather details for January, you can refer to La Roche-en-Ardenne weather in January.

December and February weather in La Roche-en-Ardenne display some notable differences, despite their similar average temperatures of 4°C (39°F). In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (57°F), with high humidity at 92% and significant precipitation of 130 mm (5.1 in) spread over 20 days. In contrast, February is colder with a minimum temperature of -10°C (13°F) and a maximum of 19°C (67°F). It experiences less precipitation, totaling 85 mm (3.3 in), over fewer days (13 days) and slightly lower humidity at 90%. For a more detailed look at February's conditions, check out La Roche-en-Ardenne weather in February.

In December, the weather tends to be 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). This month also experiences significant precipitation, with around 130 mm (5.1 in) falling over 20 days, combined with high humidity levels at 92%.

In contrast, March brings a more varied temperature range, with lows of -13°C (10°F) and highs reaching up to 22°C (71°F), averaging at 6°C (43°F). While it has slightly less precipitation at 101 mm (4.0 in) over 16 days, humidity is still notable but lower at 87%. For further details on the transition into spring, you can check La Roche-en-Ardenne weather in March.

In December, the weather tends to be colder and wetter, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (57°F). The month typically experiences around 130 mm (5.1 in) of precipitation over 20 days, combined with high humidity levels of 92%. In contrast, April ushers in milder conditions, with average temperatures spanning from -5°C (23°F) to a maximum of 26°C (78°F). Precipitation decreases significantly to 46 mm (1.8 in) over 11 days, and humidity drops to a more comfortable 84%. For a closer look at April weather, visit La Roche-en-Ardenne weather in April.

December and May present contrasting weather characteristics in La Roche-en-Ardenne. In December, temperatures hover between a chilly -5°C (23°F) at night and a mild 14°C (57°F) during the day, with an average of 4°C (39°F). The month is also quite wet, receiving 130 mm (5.1 in) of precipitation over 20 days and a high humidity level of 92%. In stark contrast, May offers a more temperate experience, with temperatures ranging from a minimum of -1°C (31°F) to a pleasant maximum of 30°C (86°F), averaging 12°C (54°F). Rainfall decreases to 81 mm (3.2 in) spread across 14 days, and humidity drops to 77%. For a detailed outlook on May weather, check out La Roche-en-Ardenne weather in May.

December and June present two starkly contrasting weather profiles. In December, temperatures can plummet to a minimum of -5°C (23°F), while averaging around 4°C (39°F), with a maximum of only 14°C (57°F). The month is characterized by high humidity at 92% and considerable precipitation, totaling 130 mm (5.1 in) over approximately 20 days. In contrast, June enjoys a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to an average of 17°C (63°F), peaking at a pleasant 32°C (90°F). This month is also drier, with just 90 mm (3.5 in) of rain falling over 14 days, and a significantly lower humidity of 74%. For more details on June's weather, visit La Roche-en-Ardenne weather in June.

December and July present contrasting weather conditions. In December, temperatures can drop as low as -5°C (23°F) with an average of 4°C (39°F), and they peak at 14°C (57°F). The month sees considerable precipitation, totaling 130 mm (5.1 in) over approximately 20 days, accompanied by high humidity levels at 92%. Conversely, July experiences a much milder climate, with minimum temperatures of 6°C (43°F), averages around 18°C (64°F), and highs reaching up to 37°C (98°F). Rainfall in July is less frequent, totaling 86 mm (3.4 in) across 12 days, and the humidity level averages 72%. For further details, visit La Roche-en-Ardenne weather in July.

December and August present contrasting weather conditions, reflecting the stark differences between winter and summer. In December, temperatures range from a chilly -5°C (23°F) to a mild maximum of 14°C (57°F), with an average of just 4°C (39°F). The month is characterized by high humidity at 92% and considerable precipitation, totaling 130 mm (5.1 in) over approximately 20 days. In contrast, August boasts a much warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a sizzling maximum of 35°C (95°F), averaging around 18°C (64°F). Precipitation in August is lower at 83 mm (3.3 in) over 17 days and with humidity at 71%, making it a more comfortable month overall. For a closer look at weather specifics during August, check out this link: La Roche-en-Ardenne weather in August.

The weather in December is notably colder and wetter compared to September. In December, temperatures typically range from a 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 also sees a higher precipitation level of 130 mm (5.1 in) over about 20 days, resulting in a high humidity rate of 92%. In contrast, September experiences much milder conditions with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 33°C (91°F) and an average of 14°C (58°F). Rainfall is less frequent in September, totaling 73 mm (2.9 in) across about 10 days, and humidity levels are comparatively lower at 81%. For more details on the September weather, you can check La Roche-en-Ardenne weather in September.

December weather in La Roche-en-Ardenne is considerably colder than in October, with average temperatures ranging from a frigid -5°C (23°F) to a maximum of 14°C (57°F). In contrast, October enjoys milder temperatures ranging from a minimum of 0°C (33°F) to a pleasant maximum of 24°C (75°F). Additionally, December experiences higher precipitation, with 130 mm (5.1 in) falling over approximately 20 days, compared to October's 94 mm (3.7 in) over 14 days. Humidity levels are also slightly higher in December at 92%, compared to October's 88%. For more detailed insights, you can visit La Roche-en-Ardenne weather in October.

In comparing the weather of December to November, we see that both months experience similar minimum temperatures, with December averaging -5°C (23°F) and November also at -5°C (24°F). However, December tends to be colder overall, with a lower average temperature of 4°C (39°F) compared to November's 6°C (42°F). Additionally, December is significantly wetter, receiving 130 mm (5.1 in) of precipitation over 20 days, while November sees only 69 mm (2.7 in) across 12 days. Humidity levels remain high in both months, with December at 92% and November slightly lower at 91%. Thus, December is generally colder and wetter than November, making for a more challenging weather experience. For more details, you can check La Roche-en-Ardenne weather in November.

Compare La Roche-en-Ardenne's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in La Roche-en-Ardenne

As December wraps La Roche-en-Ardenne in a chilly embrace, the weather takes a notable turn compared to the milder months preceding it. With damp air and high humidity levels, this month brings about frequent precipitation, draping the landscape in a picturesque sheen. Temperatures dive, often flirting with the freezing point, making the vibrant charm of the town a striking contrast to the cold. Visitors can expect a cozy atmosphere filled with the spirit of the season, yet should come prepared for the dampness that 20 days of rain can bring. For a deeper look into the weather patterns throughout the year, explore La Roche-en-Ardenne Climate.