December Weather in Namur, Belgium

Last updated: August 21, 2025

December in Namur, Belgium is characterized by a chilly climate as temperatures fluctuate from a maximum of 15°C (58°F) to a brisk minimum of -4°C (24°F), settling around an average of 5°C (41°F). This month experiences considerable precipitation, totaling 105 mm (4.1 in) across 18 days, contributing to the city’s high humidity levels of 92%. Despite the dampness, Namur's winter landscape offers a picturesque charm, making it a unique time to explore the rich historical tapestry of this serene Belgian city.

December Temperature in Namur

In Namur, Belgium, December ushers in a noticeable chill, with temperatures typically ranging from a minimum of -4°C (24°F) to a maximum of 15°C (58°F). As the year winds down, the average temperature settles around 5°C (41°F), marking a shift from the mild autumn months. This transitional period sees a drop from November's relatively warmer readings, highlighting a trend towards the colder depths of winter. Despite the brisk air, December's milder highs still invite a picturesque winter ambiance, making Namur a charming destination to embrace the festive spirit.

December Weather in Namur: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Namur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namur, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384144495664656559534441
Data source: Temperature data for Namur 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 Namur

December in Namur, Belgium, marks a significant uptick in precipitation, with 105 mm (4.1 in) of rain falling over an average of 18 days—the highest monthly total of the year. This trend highlights a transition into winter, where the likelihood of rainfall increases compared to the drier months of spring and summer. By contrast, November sees only 60 mm (2.3 in) across 12 days, suggesting a shift to a wetter, more overcast climate as the year draws to a close. The concentrated rainfall in December not only contributes to the region's water reserves but also paints a vivid picture of the seasonal changes that define Namur's weather patterns.

December Precipitation Trends in Namur

The chart displays monthly precipitation patterns in Namur, 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 Namur, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6973774267787789658660105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Namur

In December, Namur, Belgium experiences a notable humidity level of 92%, reflecting a trend of elevated moisture as the year wraps up. This figure aligns closely with November's humidity, also at 92%, highlighting the persistence of damp conditions during the winter months. Throughout the year, humidity levels generally decreased from a high of 91% in January to a low of 76% in August, only to rise again in the late fall. This seasonal ebb and flow emphasizes Namur’s tendency towards higher humidity during the cold months, creating a cozy but damp environment as residents prepare for the festive season.

December Average Humidity in Namur

This chart illustrates the average monthly humidity levels in Namur, 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 Namur 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 Namur

In December, Namur experiences a low UV Index of 1, indicating minimal sun exposure risk and a burn time of 45 minutes. This trend marks a significant decline from the peak months of summer, where the UV Index soared to 8 in both June and July, prompting a change to very high exposure levels. As the year transitions from autumn to winter, the UV Index steadily decreases, with November also registering a low index of 2. This seasonal pattern reflects a greater emphasis on safe sun practices during the warmer months, while December invites a more leisurely approach to outdoor activities. For detailed insights on how UV levels fluctuate throughout the year, check out the Namur UV Index.

Maximum UV Index Levels in Namur for December

The chart shows the monthly maximum UV Index (UVI) for Namur 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 Namur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Namur 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 Namur

December in Namur, Belgium, captures the essence of winter sunshine with 129 hours of daylight, a gentle contrast to the darker months preceding it. While January begins with merely 115 hours of sun, a steady increase unfolds as spring approaches, peaking in May with an impressive 392 hours. The gradual march toward longer days highlights nature’s awakening, bridged by September's 318 hours—a reminder of summer's lingering warmth. As the year closes, December’s light, though limited, signals a hopeful turn toward the brighter days of spring, encouraging the anticipation of renewal and growth. The ebb and flow of sunshine throughout the year intimately illustrates the changing seasons and the unique ambiance of Namur.

Monthly Sunshine Duration in Namur: December Highlighted

The December sunshine duration represents the total number of hours Namur 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.
JanFebMarAprMayJunJulAugSepOctNovDec115h196h262h342h392h400h401h379h318h239h183h129h
Data source: Namur December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Namur During December

In December, the likelihood of enjoying bright, sunny days in Namur, Belgium, drops to a modest 15%, making it one of the cloudiest months of the year. This trend highlights a gradual decline in sunshine as winter approaches, following a peak in April at nearly 49%. While February offers a more substantial 30% chance of sun, December’s chilly and overcast conditions can make the brief moments of sunshine all the more precious. As the year closes, residents can expect more gray skies than bright ones, accentuating the cozy atmosphere typically sought during the winter holidays.

Percentage of Sunny Days in December in Namur

The chart illustrates the percentage of sunny days in Namur 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 Namur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%30%39%49%33%31%32%28%36%31%23%15%
Data source: Namur December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Namur in December

In Namur, Belgium, the cycle of daylight duration reflects the rhythm of the seasons, starting with 8 hours in both January and December, capturing the essence of winter. As the days lengthen, February sees an increase to 10 hours, paving the way for the gradual arrival of spring. The daylight continues to blossom in March and April, reaching 11 and 13 hours respectively, before peaking in June with a generous 16 hours of sunlight. This peak signals the vibrant summer months, where both May and July offer a delightful 15 hours of daylight, although slightly diminishing in August to 14 hours. Following the summer, September witnesses a gentle decline to 12 hours, while October and November settle once more at 10 and 8 hours. This rhythmic variation not only highlights the stark contrasts between seasons but also offers a captivating glimpse into the natural cycles of light and life throughout the year in Namur.

Average Daylight Hours in Namur for December

The chart illustrates the variation in daylight duration in Namur throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 32m10h 3m11h 55m13h 50m15h 29m16h 21m15h 54m14h 24m12h 33m10h 39m8h 57m8h 3m
Data source: Namur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Namur

In December, Namur experiences a gentle average wind speed of 4.2 m/s (9 mph), marking a slight increase from the lull of late autumn. As the year draws to a close, the winds are notably stronger than the midsummer months when they dipped to a seasonal low of 2.8 m/s (6 mph) in June. Interestingly, the winds seem to pick up again in the colder months, with October and November also reflecting similar averages around 4.4 m/s and 3.4 m/s respectively. This seasonal trend suggests that as the temperature drops, the breezes in this enchanting Belgian city regain their strength, creating a crisp atmosphere that captures the charm of winter. Overall, the winds of December weave a subtle yet invigorating presence, inviting residents and visitors alike to embrace the beauty of this picturesque city.

Average December Wind Speed in Namur

The chart displays monthly wind speed patterns in Namur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.13.44.52.83.53.42.94.43.44.2 m/s
Data source: Namur December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Namur Compares to Other Months

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

In December, the weather in Namur is characterized by milder temperatures, with an average of 5°C (41°F) and a maximum reaching 15°C (58°F). The month sees significant precipitation amounting to 105 mm (4.1 in) over 18 days, contributing to a high humidity level of 92%. In contrast, January experiences colder conditions, with temperatures dropping further to an average of 3°C (38°F) and a maximum of 13°C (56°F). Precipitation decreases to 69 mm (2.7 in) over 12 days, while humidity remains slightly lower at 91%. For more detailed insights, you can explore Namur weather in January.

In December, the weather is characterized by a minimum temperature of -4°C (24°F) and an average of 5°C (41°F), with a maximum of 15°C (58°F). This month typically sees around 105 mm (4.1 in) of precipitation over 18 days, resulting in high humidity levels of 92%. In contrast, February experiences slightly colder temperatures, with a minimum of -11°C (12°F) and a maximum of 19°C (66°F), though the average remains the same at 5°C (41°F). Precipitation is reduced to 73 mm (2.9 in) over 12 days, and humidity drops slightly to 89%. For more details on February weather specifics, you can explore Namur weather in February.

December and March exhibit distinct weather patterns and temperature ranges. In December, temperatures hover between a minimum of -4°C (24°F) and a maximum of 15°C (58°F), with an average of 5°C (41°F). The month is quite wet, experiencing 105 mm (4.1 in) of precipitation over 18 days and maintaining high humidity at 92%. In contrast, March showcases a broader temperature range, with lows dipping to -10°C (15°F) and highs reaching up to 23°C (74°F), averaging around 7°C (45°F). Precipitation is lighter at 77 mm (3.0 in) over 15 days, and humidity is slightly lower at 87%. This transition from December to March indicates a shift towards milder and more variable weather conditions, making March a more dynamic month. For more details, you can check Namur weather in March.

When comparing December and April weather, the differences are quite stark. In December, temperatures hover between a chilly -4°C (24°F) and a milder 15°C (58°F), with an average of 5°C (41°F), while April brings more warmth with temperatures ranging from -3°C (26°F) at night to a pleasant maximum of 27°C (80°F) during the day, culminating in an average of 10°C (50°F). Precipitation levels also vary significantly; December sees 105 mm (4.1 inches) of rain over 18 days, while April has a much lighter 41 mm (1.6 inches) spread over just 8 days. Humidity is slightly lower in April at 85%, compared to December's cozy 92%. For more details on the weather specifics in April, check out Namur weather in April.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 15°C (58°F) and an average of 5°C (41°F). The month experiences significant precipitation, totaling 105 mm (4.1 in) over 18 days, and high humidity levels at 92%. In contrast, May offers a more temperate climate, with temperatures varying from a minimum of 0°C (32°F) to a pleasant maximum of 30°C (87°F), averaging around 13°C (56°F). The rainfall in May is lighter, with only 67 mm (2.6 in) spread over 14 days, and the humidity, while still high, is somewhat lower at 82%. For more details, you can check Namur weather in May.

December and June present contrasting weather patterns. December is characteristically cold, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 15°C (58°F), and an average of 5°C (41°F). This month is also marked by high humidity at 92% and significant precipitation, totaling 105 mm (4.1 in) over 18 days. In contrast, June boasts milder and warmer conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 33°C (91°F), alongside an average temperature of 18°C (64°F). The month experiences less precipitation at 78 mm (3.1 in) over 13 days and a slightly lower humidity of 82%. For further details on the weather during this month, you can visit Namur weather in June.

December and July present striking contrasts in weather. In December, temperatures are much cooler, with a minimum of -4°C (24°F) and an average of 5°C (41°F), while July boasts a comparatively warmer minimum of 7°C (45°F) and an average of 19°C (66°F). When it comes to maximum temperatures, July can soar up to 37°C (99°F), whereas December peaks at a much milder 15°C (58°F). Additionally, December experiences more frequent precipitation with 105 mm (4.1 in) spread across 18 days, compared to July’s 77 mm (3.0 in) over just 10 days. Humidity levels also differ, with December's humidity at 92% and July's at a still comfortable 80%. For more specific insights into July weather, you can check Namur weather in July.

When comparing the weather in December and August, notable contrasts emerge. December experiences cooler temperatures, with minimums dipping to -4°C (24°F) and averages around 5°C (41°F), whereas August enjoys much warmer conditions, featuring minimums of 7°C (44°F) and averages reaching 18°C (66°F). Precipitation levels are also slightly different, with December receiving 105 mm (4.1 in) across 18 days, compared to August’s 89 mm (3.5 in) over 14 days. In terms of humidity, December is markedly more humid at 92%, while August presents a lower humidity level of 76%. For more detailed insights, you can check this link: Namur weather in August.

December weather is notably colder and wetter compared to September. In December, temperatures can drop to a minimum of -4°C (24°F) and average around 5°C (41°F), with a maximum reaching 15°C (58°F). This month is characterized by high humidity at 92% and significant precipitation, totaling about 105 mm (4.1 in) over 18 days. In contrast, September enjoys milder weather with a minimum temperature of 2°C (37°F) and an average of 15°C (59°F), peaking at 33°C (92°F). With lower humidity at 82% and less rainfall totaling 65 mm (2.5 in) over 11 days, September offers a more pleasant climate. For more details on September weather, visit Namur weather in September.

In comparing the weather between October and December, October boasts milder temperatures with a minimum of 1°C (34°F) and an average of 12°C (53°F), reaching a maximum of 25°C (77°F). In contrast, December experiences colder conditions, with lows dipping to -4°C (24°F) and an average of 5°C (41°F), peaking at 15°C (58°F). Additionally, October typically sees less precipitation than December, with 86 mm (3.4 in) over 13 days, compared to December's 105 mm (4.1 in) over 18 days. Humidity levels are also slightly lower in October at 89%, compared to December's 92%. For a more detailed look at October's weather, visit Namur weather in October.

December generally presents a colder and wetter climate compared to November. The average temperature in December is lower, starting from a minimum of -4°C (24°F) and peaking at 15°C (58°F), while November boasts an average temperature range of -3°C (27°F) to a maximum of 18°C (64°F). Additionally, December experiences significantly more precipitation, with 105 mm (4.1 in) over 18 days, compared to November's 60 mm (2.3 in) over 12 days. Despite similar humidity levels at 92%, the combination of lower temperatures and higher precipitation makes December feel much more wintery. For more details on November's weather, check out Namur weather in November.

Compare Namur's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Namur

As December settles in Namur, the weather takes on a distinctly chilly character, with temperatures averaging around 5°C (41°F), contrasting sharply with the milder months that precede it. The city experiences heightened humidity at 92%, which can make the air feel even colder, while precipitation is frequent, with about 18 rainy days contributing to a total of 105 mm for the month. This shift creates a cozy atmosphere, perfect for enjoying festive moments, even as the winter chill sets in. For a deeper dive into how December compares and contrasts with the rest of the year, visit Namur Climate.