Last updated: August 21, 2025
In January, Leuven, Belgium experiences a chill in the air with an average temperature of 4°C (40°F), where highs can reach 14°C (58°F) and lows may drop to a brisk -7°C (20°F). This month sees a notable precipitation of 63 mm (2.5 in) spread over 12 days, contributing to the city's characteristic 91% humidity. While January’s weather can be unpredictable, it's a captivating time to explore Leuven's winter charm, wrapped in cozy layers and perhaps a warm beverage to savor the intimate atmosphere of this historic city.
In January, Leuven, Belgium, experiences a chilly embrace with temperatures that range from a brisk -7°C (20°F) to a comfortable 14°C (58°F). The average temperature hovers around 4°C (40°F), marking it as one of the colder months of the year. As winter takes hold, the city feels the sting of frost, but there's a subtle warmth in the afternoon sun that hints at the seasonal transition to spring. Notably, January’s minimum temperature slightly outpaces that of February, where it dips even lower to -8°C (17°F), reflecting a gradual upward trend as the month rolls into the milder embrace of early spring. This cool start to the year lays the groundwork for the warming temperatures that follow, demonstrating Leuven’s gentle evolution from crisp winter days to the budding warmth of spring.
In January, Leuven experiences an average precipitation of 63 mm (2.5 in) over 12 rainy days, marking the month as one of the wetter periods of the year. This sets the stage for a gradual increase in rainfall as winter transitions to spring. Notably, February sees a slight uptick to 69 mm (2.7 in), while March continues this upward trend, peaking at 70 mm (2.8 in). After these wetter winter months, precipitation declines sharply in April to 34 mm (1.3 in), illustrating a seasonal shift where longer, drier spells can be expected. Hence, January's precipitation serves as an essential precursor to the subsequent months, reinforcing a cyclic pattern of moisture that ebbs and flows through the seasons in Belgium.
January in Leuven, Belgium is characterized by a notably high humidity level of 91%, setting the tone for a winter that feels quite damp and chilly. This trend of elevated humidity continues into February, albeit slightly lower at 89%, but begins to gradually decrease as spring approaches, hitting 87% in March and 85% in April. As the seasons shift towards milder weather, humidity stabilizes around 82% in May and June, before tapering off to 80% in the warmest month, July. However, just as summer wanes, humidity levels rise again in September, reaching 82%, and then surge back to a damp 92% in November and December. This cyclical pattern highlights Leuven's tendency for high humidity, especially in the fall and winter months, creating a unique atmospheric experience throughout the year.
In January, Leuven experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, with a burn time of approximately 45 minutes. This trend continues into February, where the UV Index rises slightly to 2, yet the exposure remains low, and the burn time holds steady. As spring approaches in March, the UV Index increases to 4, marking the transition to moderate exposure and a reduced burn time of 30 minutes. This pattern of gradual increase continues into April, reaching a UV Index of 5. By May, summer is just around the corner, and UV levels climb to 7, bringing high exposure risks and a significant drop in burn time to 25 minutes. The peak of UV intensity hits in June and July with a very high Index of 8, showcasing just how crucial sun protection becomes, as burn time plummets to only 15 minutes. August sees a slight dip, but still maintains a high Index of 7, before transitioning back to moderate levels in the fall months. For those planning their sun exposure, understanding these trends in Leuven's UV Index is essential. For more detailed insights, check out Leuven UV Index.
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In Leuven, Belgium, January marks the beginning of the year with a modest 119 hours of sunshine, setting a tranquil stage for the colder months. As winter transitions into spring, the days brighten significantly; February sees an increase to 199 hours, and by March, the sunshine nearly doubles to 269 hours. This uplifting trend continues into April, where the city basks in 341 hours of sunlight, heralding the vibrant energy of spring. May and June offer a peak of radiant days, boasting 392 and 390 hours respectively, before the summer months maintain a generous supply of sunshine. As the year progresses towards autumn, the hours gradually decline, yet even in October and November, Leuven enjoys a respectable 235 and 186 hours. This seasonal journey illustrates a captivating rhythm of light that enhances the charm of Leuven throughout the year.
In Leuven, Belgium, January brings the bleakest prospects for sunshine, with only a 10% chance of sunny weather. This dismal likelihood marks a stark contrast to the upcoming months, where the chances of encountering sun begin to climb significantly. By February, the probability more than triples to 31%, and it continues to rise through March at 39% and April at 47%. This upward trend highlights a gradual transition from the long, grey winter days of January to the more vibrant and hopeful spring days that follow. As the months progress, the weather in Leuven begins to brighten, ultimately reinforcing the notion that warmth and sunlight are just around the corner.
In Leuven, Belgium, the rhythm of the seasons is beautifully reflected in the changing daylight duration throughout the year. January starts with a modest 8 hours of daylight, gradually increasing as February brings 10 hours and March extends this to 11 hours. The arrival of spring in April illuminates the city with 13 hours of daylight, peaking in June at a vibrant 16 hours. As summer fades, daylight begins to wane; July and August maintain a generous 15 and 14 hours, respectively, before dipping to 12 hours in September. The cycle continues as October mirrors February with 10 hours, leading back to winter's shorter days, where November and December offer just 8 and 7 hours. This natural ebb and flow of light captures the essence of Leuven’s seasonal charm, inviting both residents and visitors to relish the gradual transition from twilight to dawn.
In January, Leuven experiences an average wind speed of 4.2 m/s (9 mph), setting the tone for a month often characterized by brisk breezes. As winter progresses into February, the gusts pick up slightly, reaching 4.3 m/s (10 mph), before tapering off in March to 3.8 m/s (9 mph). This trend of gradually decreasing wind continues through the spring months, with April dipping to 3.2 m/s (7 mph) and May climbing back to 4.1 m/s (9 mph). However, the summer months see a noticeable drop, with averages plunging to 2.7 m/s (6 mph) in June before stabilizing around 3.2 m/s (7 mph) in July and August. The onset of autumn brings a return to higher winds, as October records back up to 4.1 m/s (9 mph), while November and December settle around 3.2 m/s (7 mph) and 3.9 m/s (9 mph), respectively. Overall, the wind patterns in Leuven showcase a dynamic seasonal rhythm, influenced by the shifting weather typical of this charming Belgian city.
Weather in Leuven varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Leuven, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February weather in Leuven exhibit some notable differences. January typically experiences slightly milder conditions, with average temperatures ranging from -7°C (20°F) to a maximum of 14°C (58°F), while February sees a marginal increase in average temperature, peaking at 19°C (66°F) although starting at a lower minimum of -8°C (17°F). Precipitation levels are slightly higher in February at 69 mm (2.7 in), compared to January's 63 mm (2.5 in), though both months have about 12 rainy days. Humidity levels are also quite similar, hovering around 91% in January and dipping slightly to 89% in February. For more detailed insights, you can refer to Leuven weather in February.
January and March exhibit noticeable differences in weather patterns. In January, temperatures range from a minimum of -7°C (20°F) to a maximum of 14°C (58°F), with an average of 4°C (40°F). The month experiences 63 mm (2.5 in) of precipitation over 12 days, accompanied by high humidity at 91%. By contrast, March sees slightly colder minimum temperatures at -8°C (19°F) but overall warmer average and maximum temperatures of 7°C (46°F) and 23°C (74°F) respectively. Precipitation increases marginally to 70 mm (2.8 in) over 14 days, with humidity decreasing slightly to 87%. For more specifics on March weather, you can visit Leuven weather in March.
January and April present contrasting weather conditions. In January, temperatures can plummet to a minimum of -7°C (20°F) and typically hover around an average of 4°C (40°F), with a maximum reaching 14°C (58°F). The month also experiences significant precipitation, with 63 mm (2.5 in) falling over about 12 days and a high humidity of 91%. In stark comparison, April enjoys milder temperatures ranging from a minimum of -4°C (26°F) to an average of 10°C (51°F), peaking at 28°C (82°F). This month sees considerably less precipitation at 34 mm (1.3 in) over just 8 days and a slightly lower humidity of 85%. For a more detailed look at what to expect, you can check this link: Leuven weather in April.
In January, temperatures in Leuven range from a chilly -7°C (20°F) to a mild 14°C (58°F), with an average of 4°C (40°F). The month experiences about 63 mm (2.5 in) of precipitation over 12 days, accompanied by high humidity levels of 91%. In contrast, May ushers in a significant temperature increase, with lows of 1°C (34°F) and highs reaching up to 32°C (89°F), averaging around 14°C (57°F). Although May has slightly less precipitation at 60 mm (2.3 in) over the same number of days, the humidity drops to a more comfortable 82%. For more details, you can check out Leuven weather in May.
January and June present a striking contrast in weather patterns. In January, temperatures can plummet to a minimum of -7°C (20°F), with an average of 4°C (40°F) and a maximum of 14°C (58°F). The month is marked by high humidity levels at 91% and about 12 days of precipitation totaling 63 mm (2.5 inches). Conversely, June offers a much warmer climate, with temperatures ranging from a minimum of 7°C (46°F) to a pleasant maximum of 34°C (93°F), and an average of 19°C (66°F). It experiences slightly more precipitation at 68 mm (2.7 inches) over just 10 days, alongside lower humidity at 82%. For more detailed insights into June weather, check out Leuven weather in June.
In January, temperatures in Leuven can dip as low as -7°C (20°F), with an average of 4°C (40°F) and a maximum of 14°C (58°F). The month typically sees around 63 mm (2.5 in) of precipitation over 12 days, accompanied by high humidity levels at 91%. In contrast, July brings much warmer conditions, with minimum temperatures starting at 8°C (47°F) and reaching an average of 19°C (67°F), with maximums soaring up to 40°C (104°F). July tends to receive slightly more precipitation, around 75 mm (2.9 in) over just 10 days, and a lower humidity of 80%. The stark differences in temperature and humidity highlight the contrast between winter and summer in Leuven. For more detailed weather insights, you can check out Leuven weather in July.
In January, the weather is characterized by cold temperatures, with minimums dipping to -7°C (20°F) and average highs reaching only 14°C (58°F). The month experiences significant humidity at 91%, with precipitation accumulating to 63 mm (2.5 inches) over about 12 days. In contrast, August brings a much warmer climate, with minimum temperatures around 8°C (46°F) and maximums soaring to 35°C (96°F). Despite a slight increase in precipitation to 76 mm (3.0 inches) over 14 days, the humidity decreases to a more comfortable 76%. For more details on August weather, you can refer to Leuven weather in August.
January and September present distinctly different weather experiences. In January, temperatures can dip as low as -7°C (20°F), with an average of 4°C (40°F) and a maximum of 14°C (58°F). This chilly month is characterized by high humidity at 91% and approximately 63 mm (2.5 in) of precipitation over 12 days. Conversely, September enjoys a milder climate, featuring minimum temperatures of around 3°C (38°F), an average of 16°C (60°F), and highs reaching up to 34°C (93°F). While it is slightly drier with about 53 mm (2.1 in) of precipitation over 10 days, September's humidity is lower at 82%. To learn more about the weather conditions in September, visit Leuven weather in September.
In January, temperatures typically range from a chilly -7°C (20°F) to a moderate 14°C (58°F), with an average temperature of about 4°C (40°F). The month experiences significant precipitation, totaling 63 mm (2.5 in) over 12 days, along with high humidity at 91%. In contrast, October offers a more temperate climate, with minimum temperatures of 2°C (36°F) and maximums reaching 26°C (79°F), averaging around 12°C (55°F). Although October sees slightly more precipitation at 78 mm (3.1 in) over the same number of days, the humidity remains lower at 89%. For more insights on October weather, check out Leuven weather in October.
January's weather is characterized by colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (40°F), while November features a milder minimum of -2°C (28°F) and an average of 7°C (46°F). The maximum temperatures in January reach only up to 14°C (58°F), compared to November's higher maximum of 19°C (66°F). In terms of precipitation, January sees slightly more rainfall at 63 mm (2.5 in) over 12 days, whereas November receives 54 mm (2.1 in) over 11 days. Additionally, humidity levels are similar, with January at 91% and November at 92%. For a detailed look at November's climate, check out Leuven weather in November.
In January, the weather in Leuven tends to be slightly colder than in December, with average temperatures ranging from a minimum of -7°C (20°F) to a maximum of 14°C (58°F), compared to December's min of -5°C (23°F) and max of 15°C (60°F). While precipitation is somewhat lower in January at 63 mm (2.5 in) over 12 days, it remains a significant aspect of the winter months. Humidity levels are quite similar, with January at 91% and December slightly higher at 92%. For more details on December's climate, you can visit this link: Leuven weather in December.
As January unfolds in Leuven, the city bids farewell to the mild temperatures of autumn, plunging into a chillier climate that stands in stark contrast to other months. The average temperature hovers around a brisk 4°C (40°F), with frigid nights dipping as low as -7°C (20°F), making it one of the coldest months of the year. Additionally, this month experiences a notable 91% humidity and receives significant precipitation over 12 days, leading to a damp and often overcast atmosphere. While the landscape may seem less vibrant compared to spring or summer, January invites visitors to explore the unique charm of Leuven’s winter scenery. For more insights into what to expect throughout the year, visit Leuven Climate.