January Weather in Liege, Belgium

Last updated: August 21, 2025

January in Liège, Belgium presents a chilly experience, with average temperatures hovering around 3°C (38°F), while daily highs reach up to 13°C (57°F). The nights can be particularly cold, with temperatures dipping to a minimum of -8°C (18°F). This month sees significant precipitation, accumulating to 71 mm (2.8 in) over 13 days, contributing to a notably humid atmosphere with humidity levels averaging 91%. Whether you're braving the cold or enjoying the cozy indoor scenes, January in Liège offers a uniquely crisp charm.

January Temperature in Liege

In Liege, Belgium, January brings a crisp chill, with temperatures ranging from a brisk -8°C (18°F) to a maximum of 13°C (57°F), resulting in a fresh average of 3°C (38°F). This month typically marks the depths of winter, with frigid nights and a gradual warming trend as the month progresses. As February approaches, temperatures dip slightly lower, dropping to a minimum of -9°C (16°F) but still showcasing an encouraging average rise to 5°C (41°F), hinting at the promise of early spring. By the end of March, the city begins to thaw, with warmer averages and maximums climbing to 23°C (74°F)—an inviting precursor to the blooming season ahead. This transition reflects an overall upward trend from the cold depths of winter towards the blossoming warmth of spring, inviting locals and visitors alike to embrace the changing seasons in this charming Belgian city.

January Weather in Liege: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Liege, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Liege, January 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 Liege 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.

January Precipitation in Liege

In January, Liege experiences a moderate precipitation amount of 71 mm (2.8 inches), accompanied by rainfall on approximately 13 days throughout the month. This sets a tone for a wet winter, though it’s slightly lighter than the deluges that follow in December, which typically sees 106 mm (4.2 inches), showcasing a notable spike in precipitation as the year wraps up. As the seasons progress, February and March bring even heavier rains, with totals of 76 mm (3.0 inches) and 80 mm (3.1 inches), respectively. Interestingly, this trend continues into the spring, before tapering off significantly by April, where precipitation drops to 39 mm (1.5 inches). Overall, January’s rainfall lays the groundwork for a dynamic monthly climate pattern, where wet conditions prevail and hint at the moist winters to come.

January Precipitation Trends in Liege

The chart displays monthly precipitation patterns in Liege, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Liege, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7176803965888284658758106
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Liege

In January, Liege's humidity levels reach a crisp 91%, setting the tone for a winter characterized by damp, chilly winds. This high humidity persists into February at 90%, gradually tapering off as spring approaches, with March seeing a decline to 87%. The trend continues downward through April and May, where humidity drops to 84% and 77%, respectively, indicating somewhat drier conditions as nature begins to awaken. However, as summer arrives, the air becomes more comfortable, reaching its lowest point of 72% in July. This seasonal change reflects a shift towards drier months, culminating in August with 71% humidity. As autumn rolls in, moisture levels begin to creep back up, notably spiking again to 91% in November and hitting 92% in December, emphasizing Liege's characteristic tendency for a humid climate, particularly during winter.

January Average Humidity in Liege

This chart illustrates the average monthly humidity levels in Liege, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Liege 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Liege

In Liege, Belgium, January marks the beginning of the year with a UV Index of 1, indicating a low level of sun exposure and a comfortable burn time of 45 minutes. This trend of low UV levels continues into February, maintaining the same index and burn time. However, as spring approaches in March, the UV Index rises to 4, signaling a shift towards a moderate exposure category and reducing the safe burn time to 30 minutes. This gradual increase continues into the summer months, peaking at 8 in both June and July, where sun safety becomes paramount with only 15 minutes of burn time advised. As fall returns, the index decreases again, with September and October seeing moderate levels at 5 and 4, respectively, before dipping back to low levels in November and December. For a detailed look at the UV Index throughout the year, visit Liege UV Index.

Maximum UV Index Levels in Liege for January

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

January Sunshine in Liege

January in Liège, Belgium, brings a modest 120 hours of sunshine, setting the stage for a gradual rise in brightness as winter transitions to spring. February sees an increase to 204 hours, signaling the first hints of longer days, while March further embraces sunlight with 270 hours. As spring unfolds, April and May shine brightly, boasting 342 and 395 hours respectively, captivating residents and visitors alike with the vibrant warmth of longer days. The trend continues into June and peaks in July, where the sun blesses Liège with 395 and 407 hours respectively. However, as summer wanes, sunshine hours gradually decline, with August offering 380 hours and a noticeable drop in the following months: 318 hours in September, 241 hours in October, and down to 190 hours in November. This pattern culminates in December, with just 134 hours, as the cycle of sunshine continues, preparing Liège for the new year.

Monthly Sunshine Duration in Liege: January Highlighted

The January sunshine duration represents the total number of hours Liege experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec120h204h270h342h395h395h407h380h318h241h190h134h
Data source: Liege January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Liege During January

In January, Liege, Belgium experiences a mere 9% chance of sunny weather, marking it as one of the least likely months for sunshine. This starkly contrasts with the increasing likelihood of clear skies that begins to emerge in February, where the chance of sun jumps to 32%, and continues to rise steadily through the spring months. By March and April, the probabilities enhance to 39% and 45%, respectively, reflecting the gradual transition towards more favorable weather. The trend suggests that while January may be characterized by overcast skies, optimism grows as winter yields to spring, hinting at the brighter days ahead.

Percentage of Sunny Days in January in Liege

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

Daylight Hours in Liege in January

In Liège, Belgium, the journey through January marks the beginning of a gradual ascent in daylight duration. Starting the month with just 8 hours of daylight, the days slowly lengthen as February ushers in a brighter transition, reaching 10 hours. March continues this positive trend, boasting 11 hours, while April and May delight with 13 and 15 hours, respectively, illuminating the city with more light. The peak arrives in June, where daylight stretches to an impressive 16 hours, providing ample time to explore the vibrant surroundings. However, the cycle soon begins its descent, with sunlight gradually waning as July and August offer 15 and 14 hours, and then tapering off through the fall and winter months back to 8 hours by December. This rhythmic pattern of daylight reflects the beauty of the changing seasons, inviting residents and visitors to enjoy each moment under the Belgian skies.

Average Daylight Hours in Liege for January

The chart illustrates the variation in daylight duration in Liege throughout the year, with January 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: Liege daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Liege

In January, Liège experiences a breezy start to the year, with an average wind speed of 4.3 m/s (10 mph), setting a dynamic tone for the winter months. As the calendar flips to February, the winds pick up slightly to 4.4 m/s, maintaining that invigorating chill in the air. However, by March, winds begin to mellow, dropping to 3.9 m/s, and continue their descent until April, where they reach 3.1 m/s. This trend of decreasing wind speed continues into the summer, with the calmest months being June and September, when average speeds dip to 2.7 m/s and 2.8 m/s, respectively. Interestingly, from May and again in October, we see a return to 4.3 m/s, suggesting a transitional gustiness that brings the seasons full circle. The year finishes with a moderate December showing 4.1 m/s, inviting a reflective close as Liège readies itself for another year shaped by its winds.

Average January Wind Speed in Liege

The chart displays monthly wind speed patterns in Liege, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.3 m/s4.43.93.14.32.73.33.32.84.33.34.1
Data source: Liege January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Liege Compares to Other Months

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

January and February both bring cold weather, but February shows a noticeable increase in temperatures. While January has an average temperature of 3°C (38°F) with a maximum of 13°C (57°F), February's average rises to 5°C (41°F) and can peak at 20°C (69°F). Precipitation levels are relatively close, with January receiving 71 mm (2.8 in) over 13 days and February slightly higher at 76 mm (3.0 in) across 12 days. Humidity remains high in both months, with January at 91% and February slightly lower at 90%. For a more detailed look at February's weather, you can check Liege weather in February.

When comparing the weather in January and March, notable differences in temperature and precipitation patterns emerge. January typically experiences a colder climate, with average temperatures ranging from -8°C (18°F) to a maximum of 13°C (57°F), while March sees a more moderate range, with temperatures varying from -9°C (16°F) to a warmer 23°C (74°F). Although January has slightly less precipitation at 71 mm (2.8 in) over 13 days, March receives 80 mm (3.1 in) across 15 days, indicating a trend toward wetter conditions as winter transitions into spring. Additionally, humidity remains relatively high in both months, with January at 91% and March at 87%. For more detailed insights on March weather patterns, check out Liege weather in March.

January weather in Liege is characterized by colder temperatures, with a minimum of -8°C (18°F) and an average of 3°C (38°F), while April offers a noticeable 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 levels are higher in January, totaling 71 mm (2.8 in) over 13 days, compared to April's 39 mm (1.5 in) spread over just 8 days. Additionally, January's humidity remains high at 91%, while April's humidity slightly decreases to 84%, making for a more pleasant spring atmosphere. For more details, you can check Liege weather in April.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 13°C (57°F), averaging around 3°C (38°F). There is considerable precipitation, with 71 mm (2.8 in) falling over 13 days, and the humidity is notably high at 91%, contributing to a damp and cold atmosphere.

In comparison, May brings a significant warm-up, with temperatures fluctuating from a minimum of 0°C (33°F) to a maximum of 31°C (89°F), with an average of 14°C (57°F). While precipitation is slightly lower at 65 mm (2.5 in) over the same number of days, the humidity is reduced to 77%, creating a much more pleasant and comfortable environment.

For a more detailed look at weather specifics during May, you can visit Liege weather in May.

January and June present starkly contrasting weather conditions. In January, temperatures range from a chilly minimum of -8°C (18°F) to a relatively mild maximum of 13°C (57°F), with an average of around 3°C (38°F). The month tends to be damp as well, with 71 mm (2.8 in) of precipitation spread over 13 days and a high humidity level of 91%. In comparison, June experiences much warmer temperatures, with a minimum of 7°C (45°F) and a maximum soaring to 33°C (92°F), averaging 18°C (65°F). While June is slightly wetter with 88 mm (3.5 in) of rain over 12 days, the humidity decreases to a more comfortable 74%. For more details on the weather in June, check Liege weather in June.

January and July present contrasting weather patterns. In January, temperatures can plummet to a minimum of -8°C (18°F), with an average of 3°C (38°F) and a maximum of 13°C (57°F). The month also sees precipitation over 13 days, totaling 71 mm (2.8 in), accompanied by high humidity at 91%. In stark contrast, July boasts much warmer temperatures, with a minimum of 8°C (46°F) and an average of 19°C (66°F), soaring up to a scorching maximum of 40°C (104°F). Although July experiences slightly more precipitation at 82 mm (3.2 in) over 11 days, the humidity drops to 72%. For a closer look at July weather specifics, you can visit Liege weather in July.

January and August present starkly contrasting weather conditions. In January, temperatures can dip as low as -8°C (18°F), with an average of 3°C (38°F) and a maximum of 13°C (57°F). The month is characterized by high humidity at 91% and considerable precipitation, measuring 71 mm (2.8 in) over 13 days. In contrast, August boasts milder temperatures, with a minimum of 7°C (44°F) and an impressive average of 19°C (66°F), peaking at a sweltering 36°C (97°F). This summer month also sees slightly increased rainfall at 84 mm (3.3 in) over 15 days, but with notably lower humidity at 71%. For a more detailed look at the weather patterns, visit Liege weather in August.

January and September present striking contrasts in weather. In January, temperatures reach a chilling minimum of -8°C (18°F) and average around 3°C (38°F), with highs peaking at 13°C (57°F). The month is characterized by significant humidity at 91%, with precipitation of 71 mm (2.8 in) spread over 13 days. Conversely, September welcomes a milder climate, where temperatures range from a minimum of 3°C (37°F) to a comfortable average of 15°C (60°F) and can soar to a maximum of 34°C (93°F). This month experiences slightly less precipitation at 65 mm (2.5 in) over just 10 days, while humidity is lower at 81%. For more detailed information, check out Liege weather in September.

January and October exhibit notable differences in weather patterns. January tends to be much colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 13°C (57°F), while October enjoys milder weather, with temperatures ranging from 1°C (34°F) to 25°C (78°F). Both months see precipitation on approximately 13 days, but October experiences slightly higher rainfall at 87 mm (3.4 in) compared to January's 71 mm (2.8 in). Humidity levels are also similar, with January at 91% and October at 88%. For more detailed insights into October weather, you can check Liege weather in October.

January and November present distinct weather patterns, reflecting the depth of winter compared to the crispness of late autumn. In January, temperatures plunge to a minimum of -8°C (18°F), with an average of 3°C (38°F) and a maximum reaching 13°C (57°F). This month also sees a higher level of precipitation, totaling 71 mm (2.8 in) over 13 days, amidst a consistent humidity of 91%. In contrast, November experiences milder temperatures, ranging from a minimum of -4°C (25°F) to an average of 7°C (45°F) and peaking at 19°C (66°F). It has slightly less precipitation at 58 mm (2.3 in) across 11 days, while humidity remains constant at 91%. For more insights into November’s weather specifics, you can explore Liege weather in November.

In comparing the weather of January and December, January tends to be slightly colder, with average temperatures ranging from a minimum of -8°C (18°F) to a maximum of 13°C (57°F), while December sees milder temperatures, with lows around -5°C (23°F) and highs reaching up to 15°C (59°F). Additionally, January experiences less precipitation, totaling 71 mm (2.8 in) over 13 days, compared to December's higher total of 106 mm (4.2 in) across 19 days. Humidity levels are quite similar, with January at 91% and December at 92%. For more detailed insights on the weather in December, you can visit Liege weather in December.

Compare Liege's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Liege

January in Liege presents a stark contrast to other months, characterized by chilly temperatures and frequent precipitation. With an average temperature lingering around 3°C (38°F), this month often feels much colder due to high humidity levels reaching 91%. While you can expect relatively mild maximum temperatures, the possibility of plunging to -8°C (18°F) adds a crisp bite to the air, making it imperative to bundle up. Additionally, the month tends to experience around 13 days of rainfall, contributing to its reputation as one of the wetter periods in the year. For those braving the winter chill, January offers a unique opportunity to experience Liege's serene beauty during its coldest season. To learn more about the broader climate trends throughout the year, visit Liege Climate.