December Weather in Geraardsbergen, Belgium

Last updated: August 21, 2025

December in Geraardsbergen, Belgium is characterized by a mix of chilly temperatures and consistent precipitation. The maximum temperature reaches a mild 15°C (59°F), while the average hovers around a brisk 6°C (42°F). Nights can be quite cold, with temperatures dipping to a minimum of -4°C (24°F). Rainfall is frequent, totaling 93 mm (3.7 in) across about 17 days, contributing to a notably high humidity level of 92%. Visitors and locals alike should prepare for a damp and cool month that captures the essence of a Belgian winter.

December Temperature in Geraardsbergen

In Geraardsbergen, Belgium, December ushers in a crisp chill, with temperatures typically ranging from a low of -4°C (24°F) to a mild maximum of 15°C (59°F). As the year draws to a close, the average temperature settles around 6°C (42°F), showcasing a significant dip from the milder autumn months preceding it. This transition marks the onset of winter, where the air turns brisk, inviting locals and visitors alike to embrace the festive spirit. Notably, December's temperatures reflect a tendency towards cooler conditions that are characteristic of the season, setting the stage for cozy gatherings and seasonal celebrations in this picturesque Belgian town.

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

The chart illustrates December temperature patterns in Geraardsbergen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geraardsbergen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394245505664666660544542
Data source: Temperature data for Geraardsbergen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Geraardsbergen

In December, Geraardsbergen experiences a notable increase in precipitation, recording 93 mm (3.7 in), making it the wettest month of the year. This surge in rainfall corresponds with a rise in precipitation days, reaching 17 days, indicating a shift towards winter weather patterns. As the year wraps up, December’s precipitation not only surpasses previous months but also highlights a trend of increased moisture, contrasting sharply with the drier and sunnier spells of spring and summer. Overall, this month sets the stage for a cozy, if damp, end to the year in this charming Belgian town.

December Precipitation Trends in Geraardsbergen

The chart displays monthly precipitation patterns in Geraardsbergen, 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 Geraardsbergen, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec656870395763678055775793
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Geraardsbergen

In December, Geraardsbergen experiences a notable shift in humidity, with levels peaking at 92%—the same as seen in November. This increase in moisture signals the onset of winter, as the city transitions from the relatively dry summer months of 76% in August and 80% in July. Throughout the year, a general trend emerges with humidity levels gradually rising from the drier spring months of 85% in April and 82% in May, peaking in the late autumn and early winter. With consistent figures hovering around 89% to 92% from October to December, Geraardsbergen's winter months are characterized by a damp chill, inviting a cozy, introspective atmosphere as the year draws to a close.

December Average Humidity in Geraardsbergen

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

In Geraardsbergen, Belgium, the UV Index sees a marked decline as winter sets in, with December recording a UV Index of 1, categorized as low. This indicates a safe margin for outdoor activities, allowing residents to enjoy the crisp winter air without much risk of sunburn, needing about 45 minutes of exposure before any harm could occur. This seasonal drop follows a trend from the high peaks of summer months, which often reach a UV Index of 8. As the year progresses from the sunniest July days to the calmer December, the city transitions from a need for cautious sun protection to being able to relish the outdoors with minimal risk. For more insights on the UV levels throughout the year, check out the full details at Geraardsbergen UV Index.

Maximum UV Index Levels in Geraardsbergen for December

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

In Geraardsbergen, Belgium, the sunshine hours tell a compelling story of seasonal change throughout the year. The year kicks off with a modest 121 hours in January, gradually building as winter yields to spring. By March, residents bask in 269 hours, leading to a vibrant culmination in June when the region enjoys a peak of 404 hours of sunlight. As summer wanes, sunshine hours begin to decline, tapering to 148 hours by December. This trend highlights a clear cycle: from the invigorating rays of spring and summer to the soft, subdued light of winter, Geraardsbergen's weather paints a picturesque narrative of changing seasons that locals and visitors alike cherish.

Monthly Sunshine Duration in Geraardsbergen: December Highlighted

The December sunshine duration represents the total number of hours Geraardsbergen 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.
JanFebMarAprMayJunJulAugSepOctNovDec121h201h269h348h397h404h409h381h320h245h194h148h
Data source: Geraardsbergen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Geraardsbergen During December

In Geraardsbergen, Belgium, December brings a notable dip in the likelihood of sunny weather, with only a 15% chance of seeing the sun shine through the winter clouds. This reflects a consistent downward trend from the brighter days of earlier months, notably April's peak at 50%. As the year winds down, the chances of sunshine decrease, creating a stark contrast to the more promising promise of sunshine found in spring and early autumn. With the festive holiday season approaching, residents and visitors alike might find themselves wrapped in cozy layers, as the likelihood of clear skies gives way to the overcast winter gloom typical of late-year Belgium.

Percentage of Sunny Days in December in Geraardsbergen

The chart illustrates the percentage of sunny days in Geraardsbergen 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 Geraardsbergen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%30%40%50%34%34%34%30%36%32%24%15%
Data source: Geraardsbergen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Geraardsbergen in December

As December descends upon Geraardsbergen, daylight hours shrink to 8 hours, matching the unyielding twilight of November. This marks a significant departure from the vibrant brightness of earlier months, with the longest days peaking in June at 16 hours. As the year progresses, one can discern a rhythmic ebb and flow in daylight; after reaching its zenith, the sun's presence steadily wanes through autumn, leading into the winter month's shorter, darker days. With each passing month, Geraardsbergen experiences a cyclical dance of light, where the increase in daylight during spring and early summer gives way to the gradual decline in the colder months, evoking a deeper appreciation for those fleeting, sunlit hours.

Average Daylight Hours in Geraardsbergen for December

The chart illustrates the variation in daylight duration in Geraardsbergen 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 1m11h 55m13h 51m15h 31m16h 24m15h 56m14h 26m12h 34m10h 39m8h 56m8h 1m
Data source: Geraardsbergen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Geraardsbergen

As December sweeps into Geraardsbergen, Belgium, the winds begin to pick up slightly, averaging 4.1 m/s (9 mph). This month follows a trend of fluctuating wind speeds throughout the year, with a notable dip in June when breezes softened to 2.8 m/s (6 mph). However, as the year draws to a close, December's winds are not only a refreshing change but also echo a pattern of consistency seen in January and October, both with winds at 4.3 m/s (10 mph). Overall, while the colder months generally experience stronger gusts, Geraardsbergen's December winds remain mild enough to add a brisk charm to the winter landscape, making it a perfect time for a cozy stroll amidst the stirring air.

Average December Wind Speed in Geraardsbergen

The chart displays monthly wind speed patterns in Geraardsbergen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.54.03.44.32.83.33.43.04.33.24.1 m/s
Data source: Geraardsbergen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Geraardsbergen Compares to Other Months

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

December and January in Geraardsbergen exhibit notable differences in weather patterns. December experiences a slightly milder average temperature of 6°C (42°F) with maximums reaching 15°C (59°F), while January's average temperature drops to 4°C (40°F) with maximums of 14°C (57°F). Precipitation is more abundant in December, totaling 93 mm (3.7 in) over 17 days, compared to January's 65 mm (2.5 in) across 12 days. Humidity levels are fairly consistent, with December at 92% and January at 91%. For more details, you can check Geraardsbergen weather in January.

In December, temperatures in Geraardsbergen typically range from a minimum of -4°C (24°F) to a maximum of 15°C (59°F), with an average of 6°C (42°F). The month is quite wet, featuring around 93 mm (3.7 in) of precipitation over 17 days, coupled with high humidity levels of 92%. In contrast, February brings slightly lower minimum temperatures, dipping to -8°C (17°F), while the maximum can reach 18°C (66°F), resulting in an average temperature of 5°C (42°F). February experiences less precipitation, with 68 mm (2.7 in) over 12 days, and slightly lower humidity at 89%. For additional details on February's weather, check out Geraardsbergen weather in February.

In December, the weather typically features a minimum temperature of -4°C (24°F) and an average of 6°C (42°F), with a maximum reaching 15°C (59°F). The month experiences significant precipitation, totaling 93 mm (3.7 in) over about 17 days, coupled with high humidity at 92%. Conversely, March sees slightly colder conditions, with minimum temperatures dropping to -8°C (18°F) but an average of 7°C (45°F) and maximums ascending to 23°C (73°F). Precipitation decreases to 70 mm (2.8 in) over 14 days, and humidity lowers slightly to 87%. For a more detailed look at March weather patterns, you can refer to Geraardsbergen weather in March.

December weather is characterized by cooler temperatures, with average highs around 6°C (42°F) and lows dipping to -4°C (24°F). The month sees a significant amount of precipitation, totaling 93 mm (3.7 in) over 17 days, accompanied by high humidity levels at 92%. In contrast, April experiences a more pleasant climate, with temperatures ranging from a low of -3°C (26°F) to a warm average of 10°C (50°F) and highs reaching up to 26°C (80°F). Precipitation is relatively low at 39 mm (1.5 in) over just 8 days, and humidity decreases slightly to 85%. Overall, April offers a much milder and drier experience compared to the cold and damp December. For more detailed insights, check out the Geraardsbergen weather in April.

In December, temperatures in Geraardsbergen typically range from a chilly -4°C (24°F) at night to a mild 15°C (59°F) during the day, making it a time for bundling up against the cold. The month sees significant precipitation, with an average of 93 mm (3.7 in) spread over 17 days, contributing to a high humidity level of 92%. In contrast, May brings much warmer conditions, with temperatures fluctuating between a minimum of 1°C (33°F) and a maximum of 30°C (87°F). The total precipitation drops to 57 mm (2.3 in) over 13 days, and humidity also slightly decreases to 82%. As a result, May offers a refreshing change with more comfortable weather and longer days. For more details on the pleasant climate, you can check Geraardsbergen weather in May.

The weather in December and June presents a striking contrast in Geraardsbergen. In December, temperatures range from a chilly -4°C (24°F) at night to a maximum of 15°C (59°F) during the day, with an average of 6°C (42°F). The month is quite wet, receiving about 93 mm (3.7 in) of precipitation over 17 days, alongside high humidity levels of 92%. In stark contrast, June offers much milder conditions, featuring temperatures that vary from a minimum of 7°C (44°F) to a warm high of 32°C (90°F), with an average temperature of 18°C (65°F). Rainfall is lighter, totaling 63 mm (2.5 in) over just 9 days, and the humidity is slightly lower at 82%. For a closer look at what to expect, check out Geraardsbergen weather in June.

December and July present stark contrasts in weather. In December, temperatures range from a chilly -4°C (24°F) at night to a mild 15°C (59°F) during the day, with an average of about 6°C (42°F). The month sees significant precipitation, totaling 93 mm (3.7 in) over 17 days, contributing to a high humidity of 92%. In contrast, July boasts much warmer conditions, with temperatures starting at a minimum of 8°C (47°F) and soaring to a maximum of 39°C (102°F), averaging around 19°C (66°F). Precipitation is lower in July, at 67 mm (2.6 in) over just 10 days, and the humidity levels drop to a more comfortable 80%. For more details on July weather, check out Geraardsbergen weather in July.

December weather presents a stark contrast to August, with much cooler temperatures and higher humidity levels. In December, temperatures can drop as low as -4°C (24°F) and typically average around 6°C (42°F), while August enjoys milder conditions, with minimums of 8°C (46°F) and average highs reaching 19°C (66°F). Additionally, December experiences more precipitation, with an average of 93 mm (3.7 in) over 17 days, compared to August's 79 mm (3.1 in) over 14 days. The humidity in December hovers at a high 92%, making it feel even colder, whereas August offers a more comfortable 76% humidity level. For a closer look at what to expect during the summer month, check out Geraardsbergen weather in August.

In comparison, December's weather is significantly colder than September's. With average temperatures ranging from a minimum of -4°C (24°F) to a maximum of 15°C (59°F), December experiences a chill that contrasts sharply with September's warmth, where temperatures typically range from 4°C (40°F) to 32°C (90°F). Additionally, December sees more precipitation, averaging 93 mm (3.7 in) over 17 days, while September has notably less rain at 55 mm (2.2 in) across 10 days. The humidity is also higher in December at 92%, compared to September's 82%, adding to the winter's damp feel. For more detailed weather insights on September, check out Geraardsbergen weather in September.

In comparing the weather between December and October, December presents a noticeably colder climate with minimum temperatures dropping to -4°C (24°F) and an average of 6°C (42°F). In contrast, October enjoys milder temperatures, ranging from a minimum of 1°C (35°F) to an average of 12°C (54°F), reaching a maximum of 25°C (77°F). While December experiences more humidity at 92% and has a higher precipitation level of 93 mm over 17 days, October's precipitation is slightly lower at 77 mm over 13 days, with a humidity of 89%. For a detailed look at October conditions, you can check out Geraardsbergen weather in October.

December weather tends to be slightly colder and wetter than November. While November experiences milder temperatures with a minimum of -2°C (28°F) and an average of 7°C (46°F), December sees a drop with a minimum of -4°C (24°F) and an average of 6°C (42°F). Precipitation is also notably higher in December, accumulating to 93 mm (3.7 in) over 17 days, compared to November's 57 mm (2.2 in) over 12 days. Despite the increased rain and chill, both months share a high humidity level of 92%. For more detailed information on November weather, you can check Geraardsbergen weather in November.

Compare Geraardsbergen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Geraardsbergen

December in Geraardsbergen sets itself apart from other months with its chilly demeanor, where the average temperature hovers around a mere 6°C (42°F), providing a stark contrast to the milder autumn days. As winter settles in, residents and visitors can expect frequent precipitation, with rain gracing the town on about 17 days, and a notably high humidity level making the air feel even colder. This month truly captures the essence of winter, inviting cozy gatherings and hot beverages to warm the spirit. For those fascinated by the intricacies of Geraardsbergen's climate, further insights can be found at Geraardsbergen Climate.