December Weather in Tongeren, Belgium

Last updated: August 21, 2025

In December, Tongeren, Belgium, experiences chilly weather characterized by temperatures ranging from a cool -5°C (23°F) at night to a mild 15°C (59°F) during the day. The average temperature settles around 5°C (41°F), creating a crisp atmosphere that complements the festive season. With an impressive 106 mm (4.2 in) of rainfall spread over 19 days, December is notably wet, contributing to a humidity level of 92% that envelops the region in a damp embrace. Visitors can expect a gloomy, yet charming, winter environment, perfect for exploring the historical sights of this picturesque town.

December Temperature in Tongeren

In December, Tongeren, Belgium experiences a noticeable chill as winter settles in, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 15°C (59°F). The average temperature hovers around 5°C (41°F), reflecting a typical late autumn shift towards colder conditions. This month's temperatures mirror a gradual descent in warmth, as the previous months have shown increasing cold spells, with November recording a slightly milder average of 7°C (45°F). As holiday festivities begin, the brisk air provides a perfect backdrop for cozy gatherings, inviting residents and visitors alike to embrace the enchanting winter atmosphere of this historic town.

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

The chart illustrates December temperature patterns in Tongeren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tongeren, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384145505665666659534441
Data source: Temperature data for Tongeren 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 Tongeren

December in Tongeren, Belgium, stands out as the wettest month of the year, with a significant precipitation total of 106 mm (4.2 in) spread across 19 days. This marks a considerable increase from the preceding months, highlighting a sharp uptick in rainfall as winter solidifies its grip. While the autumn months like October and November saw moderate precipitation levels of 87 mm (3.4 in) and 58 mm (2.3 in) respectively, December's deluge signals a notable trend of increased moisture as the year concludes. As the days grow colder, the uptick in rainfall can often lead to a picturesque landscape, albeit one that calls for a cozy pair of boots and an umbrella while exploring this charming Belgian town.

December Precipitation Trends in Tongeren

The chart displays monthly precipitation patterns in Tongeren, 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 Tongeren, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7176803965888284658758106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tongeren

In December, Tongeren experiences a notable increase in humidity, peaking at 92%, which marks the highest level of the year. This surge follows a trend observed throughout the colder months, with November also showcasing significant humidity at 91%. As the year progresses from the dry summer months, where humidity dips to around 71% in August, the transition into autumn and winter sees a steady increase, culminating in the winter months that retain a notably damp atmosphere. This pattern illustrates Tongeren's characteristic seasonal shifts, where the air becomes rich with moisture as it approaches the year's end, creating a chill that often accompanies the festive season.

December Average Humidity in Tongeren

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

In Tongeren, Belgium, the UV Index experiences a noticeable decline as the year draws to a close. December mirrors the beginning of the year with a low UV Index of 1, giving residents and visitors alike a welcomed reprieve from the sun's intensity. This low rating indicates a burn time of 45 minutes, allowing for leisurely outdoor activities without the imminent worry of overexposure. As the months advance, a trend emerges where the UV Index peaks in the summer with a maximum of 8 in June and July, signifying very high exposure risk. In contrast, the colder months of November and December return to lower levels, emphasizing the cyclical nature of seasonal UV exposure. For more detailed information, you can check out the complete Tongeren UV Index.

Maximum UV Index Levels in Tongeren for December

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

As the year wraps up, December in Tongeren, Belgium, typically offers a modest 134 hours of sunshine, a noticeable dip compared to the sun-drenched months of summer. Following a peak of 407 hours in July, the daylight dwindles steadily, reflecting a seasonal transition where shorter days dominate. This decline accelerates through the autumn months, with November only boasting 190 hours before dropping to December's figures. Interestingly, despite the crisp winter air, the allure of the festive season stands out against the backdrop of overcast skies, inviting residents and visitors alike to revel in the cozy charm of this historic city during the holiday season.

Monthly Sunshine Duration in Tongeren: December Highlighted

The December sunshine duration represents the total number of hours Tongeren 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.
JanFebMarAprMayJunJulAugSepOctNovDec120h204h270h342h395h395h407h380h318h241h190h134h
Data source: Tongeren December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tongeren During December

In December, Tongeren, Belgium experiences a notably low chance of sunny weather, with only 15% likelihood of clear skies—making it one of the cloudiest months of the year. This trend reflects a general pattern of increasing sun probability from the start of the year, peaking in April at 45%. As the year progresses into the colder months, the chances of sunshine steadily decline, with November dropping to 26% before hitting the year's nadir in December. While holiday festivities may bring warmth to the spirit, nature lingers in the grey, often leaving residents shrouded in clouds and seeking warmth indoors.

Percentage of Sunny Days in December in Tongeren

The chart illustrates the percentage of sunny days in Tongeren 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 Tongeren experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%32%39%45%31%32%33%30%37%30%26%15%
Data source: Tongeren December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tongeren in December

In Tongeren, Belgium, the daylight duration exhibits a captivating seasonal rhythm throughout the year. As the calendar turns to December, the city experiences a return to 8 hours of daylight, echoing the reduced light of January and November. This month marks the quiet end of the year, where daylight gradually recedes from the longest peaks of 16 hours in June. With each passing month, daylight expands from the chill of winter in January to the vibrant blooms of spring, peaking in the blossoming warmth of May. As summer wanes, daylight gradually contracts, leading back into the darker months of November and December. This cyclical dance of light provides a beautiful backdrop to the changing seasons, creating a unique atmosphere in Tongeren that reflects the interplay between day and night.

Average Daylight Hours in Tongeren for December

The chart illustrates the variation in daylight duration in Tongeren throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m8h
Data source: Tongeren daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Tongeren

In Tongeren, Belgium, December winds arrive with an average speed of 4.1 m/s (9 mph), showcasing a slight increase compared to the more tranquil gusts of summer. After a summer dip, where winds hovered around 3.3 m/s (7 mph) in both July and August, the breezes begin to pick up again in the autumn months, particularly in October, which shares the energetic 4.3 m/s average. Notably, December's winds are stronger than the preceding months of September and November, signaling a brisk transition into winter. This pattern indicates that as the year draws to a close, Tongeren experiences a refreshing uptick in wind speed, invigorating the air as it prepares to embrace the cold season ahead.

Average December Wind Speed in Tongeren

The chart displays monthly wind speed patterns in Tongeren, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.43.93.14.32.73.33.32.84.33.34.1 m/s
Data source: Tongeren December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Tongeren Compares to Other Months

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

December and January weather exhibit notable differences despite both being winter months. In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 15°C (59°F), with an average of 5°C (41°F). The month sees considerable precipitation, averaging 106 mm (4.2 in) across 19 days and high humidity at 92%. In contrast, January is typically colder, with temperatures dropping further to a minimum of -8°C (18°F) and an average of 3°C (38°F), peaking at 13°C (57°F). Precipitation decreases to 71 mm (2.8 in) spread over just 13 days, while humidity remains slightly lower at 91%. For more detailed insights, you can refer to Tongeren weather in January.

December and February in Tongeren present distinct weather patterns despite their proximity in the winter season. In December, temperatures range from a chilly -5°C (23°F) to a more moderate 15°C (59°F), with an average of 5°C (41°F). This month also sees considerable precipitation, totaling 106 mm (4.2 in) over 19 days, along with a high humidity of 92%. In contrast, February experiences colder nights with minimum temperatures dropping to -9°C (16°F), while daytime highs can reach up to 20°C (69°F), maintaining the same average of 5°C (41°F). Precipitation decreases to 76 mm (3.0 in) over 12 days, and humidity remains slightly lower at 90%. For a deeper dive into February weather specifics, visit Tongeren weather in February.

In December, the weather tends to be colder and wetter, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 15°C (59°F) and an average of 5°C (41°F). With 106 mm (4.2 in) of precipitation spread over 19 days, the month is characterized by high humidity at 92%. In contrast, March typically sees slightly milder conditions, with temperatures dropping to a minimum of -9°C (16°F) and rising to a maximum of 23°C (74°F), averaging 7°C (45°F). Precipitation in March is lower at 80 mm (3.1 in) over 15 days, and the humidity is slightly reduced to 87%. For more detailed March weather information, visit Tongeren weather in March.

In December, the weather is noticeably colder, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 15°C (59°F). The month sees significant precipitation, totaling 106 mm (4.2 in) over 19 days, accompanied by high humidity levels at 92%. In contrast, April experiences a gradual warming trend, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 28°C (82°F) and an average of 10°C (50°F). Precipitation drops to 39 mm (1.5 in) over just 8 days, and humidity levels decrease slightly to 84%. For more details on April weather specifics, you can visit Tongeren weather in April.

December weather is marked by cold temperatures, ranging from a chilly -5°C (23°F) to a milder average of 5°C (41°F), occasionally reaching a maximum of 15°C (59°F). This month also sees significant precipitation, with rain falling on 19 days and humidity levels peaking at 92%. In contrast, May offers a much warmer climate, with temperatures starting at 0°C (33°F) and averaging around 14°C (57°F), potentially soaring to 31°C (89°F). The precipitation is lighter in May, totaling 65 mm (2.5 in) over 13 days, and the humidity drops to a more comfortable 77%. For more specific information about May weather in Tongeren, you can check Tongeren weather in May.

December and June present stark contrasts in weather patterns. In December, temperatures can dip as low as -5°C (23°F) and typically range from an average of 5°C (41°F) to a maximum of 15°C (59°F), accompanied by high humidity levels of 92%. The month experiences significant precipitation, averaging 106 mm (4.2 in) over about 19 days. In contrast, June brings warmer temperatures, with a minimum of 7°C (45°F), an average of 18°C (65°F), and highs reaching up to 33°C (92°F). Rainfall is lighter in June, with only 88 mm (3.5 in) over 12 days, and the humidity drops to a more comfortable 74%. For more details on June weather, check Tongeren weather in June.

December and July present stark contrasts in weather. December often sees temperatures ranging from a chilly -5°C (23°F) at night to a mild 15°C (59°F) during the day, with an average of about 5°C (41°F). The month is marked by high humidity at 92% and significant precipitation, with rain on 19 days and a total of 106 mm (4.2 in).

In contrast, July is considerably warmer, with minimum temperatures of 8°C (46°F) and highs soaring up to an impressive 40°C (104°F), averaging around 19°C (66°F). The humidity drops to 72%, and there are only 11 rainy days, totaling 82 mm (3.2 in) of precipitation. For more detailed insights into July weather, you can check Tongeren weather in July.

December and August present a stark contrast in weather conditions. In December, temperatures range from a chilly -5°C (23°F) to a mild 15°C (59°F), with an average of just 5°C (41°F). The month experiences significant precipitation, totaling 106 mm (4.2 in) over 19 days, coupled with high humidity levels at 92%. In contrast, August enjoys much warmer weather, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 36°C (97°F), averaging at 19°C (66°F). This month sees less rainfall at 84 mm (3.3 in) across 15 days, and humidity is noticeably lower at 71%. For more details on the specific weather patterns in August, visit Tongeren weather in August.

December weather is characterized by cooler temperatures, with nighttime lows dropping to around -5°C (23°F) and average highs reaching only 15°C (59°F). The month sees significant precipitation, around 106 mm (4.2 in), over 19 days, resulting in a high humidity level of 92%. In contrast, September offers much milder conditions, with minimum temperatures at 3°C (37°F) and average daytime temperatures peaking at 34°C (93°F). This month experiences less rainfall, totaling 65 mm (2.5 in) over just 10 days, and a relatively lower humidity of 81%. For more details on September weather, visit Tongeren weather in September.

In December, temperatures can dip significantly, with a minimum of -5°C (23°F) and an average of 5°C (41°F), compared to the milder October, where temperatures range from a minimum of 1°C (34°F) and an average of 12°C (54°F) to a maximum of 25°C (78°F). While both months experience considerable precipitation, December sees more rainfall at 106 mm (4.2 in) over 19 days, compared to October's 87 mm (3.4 in) over 13 days. Additionally, humidity levels are slightly higher in December at 92%, compared to October's 88%. For more detailed insights, you can check Tongeren weather in October.

December typically presents a colder and wetter climate compared to November. The minimum temperatures in December dip to -5°C (23°F), while November only sees a slightly milder low of -4°C (25°F). On average, December registers a temperature of 5°C (41°F), compared to November's average of 7°C (45°F). Additionally, December experiences more precipitation, with 106 mm (4.2 in) over 19 days, contrasting with November's 58 mm (2.3 in) over just 11 days. The humidity stays relatively high in both months, peaking at 92% in December and remaining slightly lower at 91% in November. For more detailed insights, you can check out Tongeren weather in November.

Compare Tongeren's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Tongeren

As December unfolds in Tongeren, the weather takes on a distinctly chillier character compared to the milder months preceding it. With an average temperature hovering around 5°C (41°F), residents and visitors alike experience a notable drop, while the maximum reaches a comfortable 15°C (59°F) on rare warmer days. This month is marked by increased precipitation, with rain gracing the city for nearly 19 days, resulting in an overall moisture level that boosts the average humidity to a damp 92%. Unlike the more stable weather patterns found earlier in the year, December's combination of cool temperatures and frequent rain creates a unique atmosphere perfect for holiday cheer and cozy indoor activities. For detailed insights into Tongeren's climate year-round, check out Tongeren Climate.