Climate and monthly weather forecast
Liège, Belgium

Liège, Belgium, is an area affected by the Cfb climate, according to the Köppen climate classification. Predominately, marine west coast climate with warm summers is observed in this region. The geographical position of Liège in the proximity of coastal regions influences its climate.

Detailed analysis of climatological data showcases that the weather parameters in Liège experience variations across the year. Rainfall ranges from 36mm (1.42") to a maximum of 74mm (2.91"), with the wetter months typically appearing in the middle of the year. Rainfall days similarly increase during this period, fluctuating between 14 days to 19 days each month.

Distinct variations are observed in the daylight hours and sunshine hours throughout the year. The shortest days occur in the winter months, providing approximately 8.1 hours of daylight in December. Conversely, the longest days appear around the summer solstice, granting the region 16.4 daylight hours in June. Corresponding to daylight hours, the duration of sunshine varies from a bare 1 hour in winter to a pleasing 6 hours during summer months.

Temperature shifts from a low minimum of -2°C (28.4°F) in winter months and ascends to a comfortable high of 22°C (71.6°F) in the peak of summer. Uniquely, it seems that Liège experiences a remarkably even temperature range, with a modest difference of 24°C (75.2°F) between the extreme temperature highs and lows.

Considering the weather parameters, the ideal period to visit Liège spans from May to September. These months offer the most favorable temperature range, from 14°C (57.2°F) to 22°C (71.6°F), with the warmest temperatures observed during July and August. Daylight hours are extended during these months, providing ample opportunity to explore, while sunshine durations are at their annual high. Although June to August can be relatively rainy months, the temperature during this period remains warm, making rainfall a refreshing occurrence rather than a hindrance to outdoor activities.

The months of November to February can be less inviting for visitors due to lower temperatures, dropping to a harsh -1°C (30.2°F) in February. Not only are these the coldest months, but daylight hours are significantly reduced, with the shortest day occurring in December having only 8.1 hours of daylight. The limited sunshine hours, averaging between 1 to 2 hours during this time, can also lessen the appeal of outdoor activities.

Spring in Liège, spanning from March to May, introduces warmer temperatures to the year. During these months, temperature lows rise from 2°C (35.6°F) to 5°C (41°F), while highs increase to a pleasant range between 9°C (48.2°F) and 18°C (64.4°F). Rainfall takes a turn to the wetter side, particularly in May, when it nears its annual peak value at 41mm (1.61"). Daylight hours follow an upward trend, with sunshine duration extending to a delightful 3 to 5 hours per day.

Summer months, from June to August, produce the warmest temperatures in Liège. The climate is comfortable during these months, with temperatures ranging from a low of 12°C (53.6°F) to a high of 22°C (71.6°F). Even though rainfall is frequent, averaging between 15 to 17 days each month, it doesn't hamper the region's warm comfort. The extended daylight hours, ranging from 14.5 hours to a yearly high of 16.4 hours in June, are accompanied by an impressive 6 hours of daily sunshine, the highest of the year.

Autumn in Liège, from September to November, is characterized by a moderation in temperature, daylight, and sunshine duration. The temperature range during these months fluctuates from a low of 7°C (44.6°F) to a high of 19°C (66.2°F) in early autumn. Rainfall remains high throughout the season, with rainfall days ranging from 14 to 18 days each month. Throughout the autumn period, daylight hours reduce from 12.6 hours to a shorter 9 hours in November, paralleled by the decrease in sunshine hours from 5 to 2 hours per day.

Winter in Liège, extending from December to February, endures the lowest temperatures of the year, ranging from a chilly minimum of -2°C (28.4°F) to the maximum of 5°C (41°F). Rainfall lowers slightly to 58mm (2.28") in December but fluctuates in a marginally higher range throughout the season. This season experiences the shortest days of the year, with daylight hours reducing to 8.1 hours in December, leading to less sunshine, which bottoms out at scarcely 1 hour per day in December and January.

January in Liège, Belgium, brings a chill to the air. Temperatures can plunge to as low as -2°C (28.4°F), with a high reaching about 3°C (37.4°F). Daylight is limited, and rainfall is common, making outdoor activities tricky. Weather in January »

Liège slightly warms up in February from the deep chill of January. A slight increase in temperatures from -1°C (30.2°F) to 6°C (42.8°F) provides some respite from the winter cold. February sees a moderate amount of rainfall, transitioning the landscape from a snowy winter wonderland to a slightly damp early spring setting. Weather in February »

During the transition from winter to spring, March sees further improvements in Liège's weather. There's a noticeable leap in maximum temperatures, now reaching up to 9°C (48.2°F) compared to February's high of 6°C (42.8°F). Weather in March »

In April, Liège fully embraces spring. A remarkable rise from March’s chill, April sees temperatures around 14°C (57.2°F). The city typically sees fewer rainfall days in April compared to March, which bodes well for outdoor activities. Weather in April »

May is an agreeable month in Liège, Belgium, with weather conditions transitioning towards summer. The continued rise in temperature signals the oncoming summer, offering comfortable outdoor conditions. Rainfall is moderately high in May, keeping the city's greenery lush and vibrant. Weather in May »

June brings the onset of summer to Liège. The pleasant warmth peaks at around 21°C (69.8°F), marking the passage from mild to warmer days. Though summer brings increased daylight, it also means a surge in rainfall, reaching its highest point in June. Weather in June »

In Belgium’s Liège, July is the peak of summer and the warmest month, anticipating temperatures of 22°C (71.6°F). While July may bring the heat, it also ushers in the greatest amount of rainfall for the year. The UV index reaches a yearly high in July, matching the abundant sunshine hours. Weather in July »

The summer reign continues in August with temperatures mirroring those of July. There is, however, a slight decrease in the average rainfall in this month compared to July, bringing a relatively drier climate. While the UV index remains high, the daylight hours begin to recede, indicating summer's impending end. Weather in August »

Come September, autumn begins its descent on Liège. Temperatures fall to a high of around 19°C (66.2°F), marking the start of cooler days and evenings. September experiences a slight drop in rainfall, just in time to enjoy the initial stages of the fall landscape. Weather in September »

October sees Liège in the midst of autumn. The shift in seasons is accompanied by a definite drop in temperatures. Fall draws the summer curtain, introducing cooler days and chilly nights while setting the cityscape ablaze with a vibrant mixture of yellow, orange, and red hues. Weather in October »

November ushers in colder weather to Liège with temperatures dipping below 10°C (50°F). The receding thermometer readings foreshadow the imminent arrival of winter. November continues the pattern of autumn rains, keeping weather conditions crisp and chilly. Weather in November »

December in Liège marks the return of winter. Temperatures hover between 1°C (33.8°F) and 5°C (41°F), blanketing the city in a winter chill. December's weather supports an increase in rainfall, transforming the city into a winter wonderland. Weather in December »