December Weather in Louvain-la-Neuve, Belgium

Last updated: August 21, 2025

In December, Louvain-la-Neuve experiences a mix of chill and dampness, with temperatures ranging from a brisk minimum of -4°C (24°F) to a comfortable maximum of 15°C (59°F). The average temperature hovers around 5°C (42°F), making warm clothing essential for outdoor activities. Rainfall is notable, with 92 mm (3.6 in) of precipitation over 17 days, contributing to a high humidity level of 92%. Visitors to this Belgian town should be prepared for the moody weather that characterizes this winter month, embracing both the festive spirit and the refreshing chill of the season.

December Temperature in Louvain-la-Neuve

In December, Louvain-la-Neuve experiences a noticeable chill as winter settles in, with temperatures dipping to a minimum of -4°C (24°F). The average temperature hovers around 5°C (42°F), creating a brisk atmosphere perfect for cozy get-togethers and holiday festivities. On milder days, temperatures can reach as high as 15°C (59°F), offering a brief respite from the cold. This gradual shift from late autumn to full winter is evident as December’s temperatures fall in line with those of previous months, highlighting the region's transition into the colder season. Whether you’re enjoying the warmth of indoor activities or bundling up for outdoor adventures, December in Louvain-la-Neuve offers a unique charm that reflects the beauty of winter.

December Weather in Louvain-la-Neuve: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Louvain-la-Neuve, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louvain-la-Neuve, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394145505664666660544542
Data source: Temperature data for Louvain-la-Neuve 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 Louvain-la-Neuve

December in Louvain-la-Neuve, Belgium, marks a notable shift in precipitation patterns, with the month receiving 92 mm (3.6 in) of rainfall over 17 days. This surge in rainfall not only makes December one of the wettest months of the year but also highlights a distinct increase compared to the preceding months, particularly from November’s 57 mm. The extended duration of rainy days indicates a wetter, more persistent weather system this time of year, contributing to the festive ambiance while also signaling the onset of winter. As the year draws to a close, the landscape transforms under this generous outpouring, creating a picturesque setting amid the seasonal celebrations.

December Precipitation Trends in Louvain-la-Neuve

The chart displays monthly precipitation patterns in Louvain-la-Neuve, 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 Louvain-la-Neuve, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec657071376072748458785892
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Louvain-la-Neuve

In Louvain-la-Neuve, Belgium, December ushers in a persistent chill, reflected in the high humidity levels that reach 92%. This month’s humidity stands alongside November's, showcasing a notable trend where the winter months maintain elevated moisture in the air. As the year progresses, we see a gradual decline in humidity from a peak of 91% in January, dipping to 76% in August before rising again as the colder months approach. The data suggests a seasonal rhythm in Louvain-la-Neuve, where moisture levels rise as the temperature drops, creating a crisp yet damp atmosphere typical of Belgian winters.

December Average Humidity in Louvain-la-Neuve

This chart illustrates the average monthly humidity levels in Louvain-la-Neuve, 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 Louvain-la-Neuve is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Louvain-la-Neuve

In December, Louvain-la-Neuve, Belgium, experiences a low UV Index of 1, indicating minimal risk for sun exposure. This is consistent with the trend observed in the earlier winter months, where both January and November also reported low UV levels, allowing residents and visitors ample time to enjoy outdoor activities without significant sun protection concerns. As we transition from the bright and intense UV Index seen in summer—reaching highs of 8 in June and July—to this milder winter index, one can appreciate the variation and changing seasons. The recommended burn time remains a generous 45 minutes, providing a secure window for sun exposure before needing to seek shade. For further details on the UV conditions throughout the year, visit Louvain-la-Neuve UV Index.

Maximum UV Index Levels in Louvain-la-Neuve for December

The chart shows the monthly maximum UV Index (UVI) for Louvain-la-Neuve 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 Louvain-la-Neuve typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Louvain-la-Neuve 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 Louvain-la-Neuve

December in Louvain-la-Neuve sees 143 hours of sunshine, marking a notable decline from the vibrant 406 hours enjoyed in July. As the year winds down, the sun's presence wanes, with December offering significantly less light than the peak spring and summer months, where hours can approach 400 or more. This seasonal dip is reflective of the transition from the lush, sun-drenched days of summer to the cooler, shorter daylight hours of winter. Despite the decrease, the December sunshine still brings a gentle warmth to the chilly atmosphere, hinting at the promise of brighter days to come as the year turns anew.

Monthly Sunshine Duration in Louvain-la-Neuve: December Highlighted

The December sunshine duration represents the total number of hours Louvain-la-Neuve 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.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h266h346h394h398h406h379h319h240h190h143h
Data source: Louvain-la-Neuve December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Louvain-la-Neuve During December

In Louvain-la-Neuve, the likelihood of enjoying sunny weather steadily increases as the year progresses, peaking in April with a 49% chance of sunshine. However, by December, this trend takes a turn; the probability of sun drops to a modest 16%, making it one of the gloomiest months of the year. Reflecting a clear seasonal pattern, it’s evident that while early winter brings shorter days and less sunlight, the city's charm remains undiminished—even if sunshine is scarce.

Percentage of Sunny Days in December in Louvain-la-Neuve

The chart illustrates the percentage of sunny days in Louvain-la-Neuve 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 Louvain-la-Neuve experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%31%39%49%33%33%33%29%36%31%24%16%
Data source: Louvain-la-Neuve December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Louvain-la-Neuve in December

In Louvain-la-Neuve, Belgium, the daylight duration experiences a rhythmic ebb and flow throughout the year. Starting with a mere 8 hours of daylight in both January and December, residents relish the slow but steady increase as spring approaches, reaching 10 hours in February and then climbing to 11 hours by March. The transition into summer brings a remarkable peak, with June basking in 16 hours of bright, sunlit days. As the days gradually shorten into autumn, daylight begins to dwindle back to 10 hours in October, leading into the darker months of November and December when sunlight retreats once more to 8 hours. This cyclical pattern not only shapes the natural environment but also influences the daily lives and activities of those who call Louvain-la-Neuve home.

Average Daylight Hours in Louvain-la-Neuve for December

The chart illustrates the variation in daylight duration in Louvain-la-Neuve throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 1m
Data source: Louvain-la-Neuve daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Louvain-la-Neuve

As the year comes to a close, December winds in Louvain-la-Neuve, Belgium, display a gentle strength, with an average speed of 4.2 m/s (9 mph). This month gracefully bridges the breezier spells of fall and the calmer winds of late winter, maintaining a consistency that mirrors the preceding months. Notably, December's winds are slightly stronger than those in November, which recorded an average of 3.4 m/s (8 mph), highlighting a trend where the final month of the year often experiences a resurgence in wind activity. As the area wraps itself in the chill of winter, these refreshing breezes create an invigorating atmosphere, inviting residents and visitors alike to embrace the seasonal transition.

Average December Wind Speed in Louvain-la-Neuve

The chart displays monthly wind speed patterns in Louvain-la-Neuve, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.13.44.42.83.43.43.04.43.44.2 m/s
Data source: Louvain-la-Neuve December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Louvain-la-Neuve Compares to Other Months

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

December and January weather exhibit some notable differences. In December, temperatures range from a minimum of -4°C (24°F) to a maximum of 15°C (59°F), with an average of 5°C (42°F). The month experiences a higher level of precipitation, totaling 92 mm (3.6 in) over 17 days, and maintains a humidity level of 92%. In contrast, January sees slightly colder conditions, with temperatures dipping to a minimum of -7°C (20°F) and an average of 4°C (39°F), while the maximum temperature is slightly lower at 14°C (57°F). Precipitation in January is less frequent, with a total of 65 mm (2.6 in) over 12 days, and humidity remains relatively high at 91%. For a detailed overview of January's weather, you can refer to Louvain-la-Neuve weather in January.

December typically sees temperatures ranging from a chilly -4°C (24°F) at night to a mild 15°C (59°F) during the day, with an average temperature of 5°C (42°F). The month is marked by significant precipitation, averaging 92 mm (3.6 in) over 17 days and high humidity levels of 92%. In contrast, February generally experiences lower nighttime temperatures, dipping to -9°C (17°F), but can warm up during the day to a maximum of 19°C (66°F). February has less rainfall, with only 70 mm (2.7 in) over 12 days and a slightly lower humidity of 89%. For more detailed weather conditions, you can check out Louvain-la-Neuve weather in February.

December's weather tends to be colder and more humid compared to March, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 15°C (59°F) and an average of 5°C (42°F). The month experiences high precipitation, measuring 92 mm (3.6 in) over 17 days, resulting in a humidity level of 92%. In contrast, March features slightly milder temperatures with a minimum of -9°C (17°F) and a maximum of 23°C (74°F), averaging around 7°C (45°F). Although March sees less total precipitation at 71 mm (2.8 in) over 14 days, the humidity remains relatively high at 87%. For more detailed insights into March weather, check out Louvain-la-Neuve weather in March.

In December, temperatures can dip as low as -4°C (24°F), with an average of 5°C (42°F) and a maximum reaching 15°C (59°F). The month is characterized by high humidity at 92% and frequent precipitation, totaling 92 mm (3.6 in) over about 17 days. In contrast, April sees a milder climate with minimum temperatures still at -4°C (26°F), but the average climbs to 10°C (50°F) and can peak at 27°C (81°F). Precipitation decreases significantly to 36 mm (1.4 in) over just 8 days, and humidity remains lower at 85%. For a more detailed look at the weather in this month, you can check out Louvain-la-Neuve weather in April.

December and May present contrasting weather conditions in terms of temperature and precipitation. In December, temperatures range from a chilly -4°C (24°F) to a comfortable 15°C (59°F), with an average of 5°C (42°F). This month sees significant precipitation, totaling 92 mm (3.6 in) over 17 days, and high humidity at 92%. In contrast, May offers a much warmer climate, with temperatures varying from a mild 0°C (33°F) to a warm 31°C (87°F), averaging around 13°C (57°F). The precipitation is lower at 60 mm (2.4 in) spread over 13 days, and humidity decreases slightly to 82%. For more detailed insights into the weather in May, you can check Louvain-la-Neuve weather in May.

In December, the weather is significantly colder, with temperatures ranging from a chilly -4°C (24°F) to a mild 15°C (59°F), while the average temperature hovers around 5°C (42°F). This month also sees high humidity levels at 92% and substantial precipitation of 92 mm (3.6 in) over 17 days. In contrast, June offers a much warmer and more inviting atmosphere, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 33°C (91°F), and an average temperature of 18°C (65°F). The summer month receives less rainfall, totaling 72 mm (2.8 in) across only 11 days, and the humidity drops slightly to 82%. For a closer look at June's weather conditions, check out Louvain-la-Neuve weather in June.

In December, the weather is characterized by chilly temperatures, with a minimum of -4°C (24°F) and an average of 5°C (42°F), making it a notably cold month. The maximum temperature reaches 15°C (59°F), but with high humidity at 92% and frequent precipitation (92 mm over 17 days), it often feels damp and wintry. In contrast, July offers warm and more pleasant conditions, with temperatures ranging from a minimum of 8°C (46°F) to a scorching maximum of 39°C (102°F), and an average of 19°C (66°F). Although July sees less rain—74 mm over 11 days—and lower humidity at 80%, it feels much more comfortable and summery. For a detailed look at July's weather, check out Louvain-la-Neuve weather in July.

In December, the weather is significantly colder, with temperatures ranging from a chilly -4°C (24°F) to a mild 15°C (59°F), and an average of 5°C (42°F). This month experiences frequent precipitation on 17 days, contributing to a total of 92 mm (3.6 in) of rain, and a high humidity level of 92%. In contrast, August presents a much warmer climate, with temperatures varying from a minimum of 7°C (46°F) to a scorching maximum of 36°C (97°F), averaging around 19°C (66°F). With 14 days of precipitation totaling 84 mm (3.3 in) and a lower humidity of 76%, August is undoubtedly the more pleasant month for outdoor activities. For more detailed information, you can check out Louvain-la-Neuve weather in August.

When comparing the weather in December and September, it's clear that December is much colder with average temperatures ranging from a minimum of -4°C (24°F) to a maximum of 15°C (59°F). In contrast, September enjoys milder conditions, with temperatures varying from 4°C (39°F) at night to a warm 33°C (91°F) during the day. Precipitation is also more frequent in December, occurring over 17 days with a total of 92 mm (3.6 in), compared to September's 58 mm (2.3 in) over just 10 days. Additionally, December's humidity is higher at 92%, whereas September has a lower humidity level of 82%. For more details, you can explore Louvain-la-Neuve weather in September.

In comparing the weather of December and October, notable differences emerge. December experiences much colder temperatures, with minimums reaching as low as -4°C (24°F) and an average of 5°C (42°F), contrasting sharply with October's milder temperatures, which hover between a minimum of 1°C (35°F) and an average of 12°C (54°F). Additionally, October boasts warmer maximums peaking at 25°C (77°F), while December's maximums only reach 15°C (59°F). In terms of precipitation, December sees a slight increase with 92 mm (3.6 in) over 17 days compared to October's 78 mm (3.1 in) across 13 days, all while December maintains a higher humidity level of 92% versus October's 89%. For a detailed look at October's weather, check out Louvain-la-Neuve weather in October.

In comparing the weather of December to November, we see that December tends to be slightly cooler, with average temperatures ranging from a minimum of -4°C (24°F) to a maximum of 15°C (59°F), compared to November's range of -3°C (28°F) to 18°C (65°F). Although both months experience high humidity levels of 92%, December is wetter, with precipitation totaling 92 mm (3.6 in) over 17 days, whereas November has less rain at 57 mm (2.3 in) over 11 days. For more detailed insights, you can check Louvain-la-Neuve weather in November.

Compare Louvain-la-Neuve's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Louvain-la-Neuve

As December arrives in Louvain-la-Neuve, the weather takes on a distinctly colder character compared to the milder months earlier in the year. With average temperatures hovering around 5°C and dipping as low as -4°C, residents and visitors can expect a chill that beckons cozy indoor escapes. The increase in precipitation, with almost half the month featuring rainy days, contributes to the overall humidity, making the air feel particularly crisp. This blend of wet and cold leads to a unique December experience, rich in atmospheric charm. To learn more about how December stacks up against other months, check out Louvain-la-Neuve Climate.