Last updated: August 21, 2025
January in Aalst, Belgium is characterized by chilly temperatures and a notable level of precipitation. The month sees a maximum of 14°C (58°F), while the average hovers around 4°C (40°F), dipping to a brisk minimum of -6°C (21°F). Rainfall is frequent, with 62 mm (2.5 in) of precipitation spread over 12 days, contributing to a humidity level of 91% that wraps the city in a moist chill. Despite the cold and dampness, January offers a unique winter charm for residents and visitors alike.
In Aalst, Belgium, January ushers in the coldest temperatures of the year, with nightly lows plummeting to a brisk -6°C (21°F) and daytime averages hovering around 4°C (40°F). The month can occasionally see highs reach up to 14°C (58°F), hinting at winter's gradual retreat. This trend of chilly temperatures carries into February, where the minimum dips further to -11°C (13°F), indicating a lingering winter chill before spring arrives. As the months progress toward March and April, temperatures begin to rise, showcasing a promising transition with averages climbing from 7°C (46°F) in March to 10°C (51°F) by April. The increasing temperatures reflect a gradual ascent into the milder months, paving the way for bloom and warmth as spring approaches.
In January, Aalst experiences 62 mm (2.5 inches) of precipitation over approximately 12 days, marking a typical start to the year. This steady rainfall sets the tone for a generally moist winter period, with precipitation levels gradually increasing in the following months. As February approaches, the rainfall slightly rises, reaching 65 mm (2.6 inches), hinting at the wetter spring ahead. The trend continues into March with 68 mm (2.7 inches), reflecting a pattern of increasing moisture that peaks in December at 89 mm (3.5 inches). Notably, January's 12 days of rain align with the average for February and November, indicating a consistent wetness that characterizes the early months in Aalst. This pattern, punctuated by relatively dry spells in April and June, suggests a climate where the dampness of winter smoothly transitions into the more varied precipitation of spring and summer.
In January, Aalst, Belgium, experiences a notably high humidity level of 91%, setting the tone for the winter months. This trend of elevated moisture continues into February with a slight dip to 89%, before gradually easing to 87% in March. As spring approaches, humidity levels begin to decline more significantly, reaching 85% in April and stabilizing around 82% in May and June. Interestingly, the summer months maintain this trend, with humidity further dropping to 80% in July and reaching its lowest point of 76% in August. However, as fall arrives, a reversal occurs; humidity rises sharply again, hitting 82% in September, before climbing back to 89% in October. The year closes on a humid note, with both November and December experiencing high levels of 92%, creating a cyclical pattern of humidity that characterizes Aalst throughout the seasons.
In Aalst, Belgium, the January UV Index stands at 1, categorized as low, which means you can enjoy outdoor activities with minimal risk of sunburn—approximately 45 minutes of exposure is deemed safe. As winter progresses into February, the UV Index only slightly increases to 2, still maintaining a low exposure risk and the same safe burn time. However, as spring approaches, there's a noticeable rise: by March, the UV Index jumps to 4, entering the moderate exposure category and reducing the safe burn time to 30 minutes. This trend continues into April, where the UV Index reaches 5, indicating that the sun's intensity is climbing as daylight increases. This pattern of rising UV levels continues through the spring and into summer, peaking at 8 in both June and July, marking periods of very high exposure with a significantly shorter burn time of 15 minutes. As the year progresses toward autumn, UV levels begin to taper off, emphasizing the importance of UV awareness throughout the year. For more detailed UV information specific to Aalst, visit Aalst UV Index.
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In Aalst, Belgium, January heralds the year with a modest 120 hours of sunshine, setting a cool tone for the winter months. As February rolls in, sunlight begins to increase significantly, boasting 204 hours, which hints at the gradual approach of spring. By March, sunnier days become more prominent, with 274 hours illuminating the city, followed by a remarkable leap to 351 hours in April. The crescendo of sunshine peaks in the summer, notably in July, where 415 hours of bright daylight invites locals and visitors to embrace outdoor activities. However, as summer fades, the hours begin to dwindle; August retains a respectable 386 hours, but September signals the retreat with 323 hours. The trend continues into the fall and winter months, with October, November, and December all offering less sunlight, finishing the year at 149 hours. This ebb and flow of daylight not only marks the passage of seasons in Aalst but also shapes the activities and moods of its residents throughout the year.
In Aalst, Belgium, the likelihood of experiencing sunny weather in January is notably low, with only a 12% chance of sunshine. This trend of limited sunshine, however, begins to improve as winter gives way to early spring; by February, the chance of sun nearly doubles to 30%, and further increases steadily to 39% in March. As the days lengthen and temperatures rise, April sees sunshine probabilities climbing even higher to 48%, before fluctuating in the warmer months. By analyzing these figures, it becomes clear that while January might feel gray and overcast, the promise of brighter days is just around the corner.
In Aalst, Belgium, January marks the beginning of the year with approximately 8 hours of daylight, setting a crisp, wintry mood. As winter transitions into spring, daylight gradually increases, reaching 10 hours in February and 11 hours by March, signaling the impending warmth. By April, the sun shines for a generous 13 hours, encouraging outdoor activities, and continues to climb, peaking in June with 16 hours of daylight. This vibrant display of sunlight begins to wane in July and August, where daylight drops to 15 and 14 hours respectively, as the summer days start to shorten. As autumn sets in, the light decreases steadily, with 12 hours in September and dwindling to 8 hours again by November and December. This rhythm of daylight not only defines each month but also shapes the seasonal experiences of the residents in Aalst, emphasizing the beauty of change throughout the year.
In Aalst, Belgium, January ushers in an average wind speed of 4.2 m/s (9 mph), setting the tone for a winter characterized by brisk breezes. This wind speed is slightly lower than the following month, February, which sees a modest increase to 4.4 m/s (10 mph), hinting at a shift as winter begins to transition. As spring approaches, March experiences a dip to 3.9 m/s (9 mph), followed by further calming winds in April at 3.5 m/s (8 mph), suggesting a general trend of decreasing wind speeds as the seasons shift. Notably, the most tranquil winds arrive in June, with an average of 2.8 m/s (6 mph), complementing the warm summer days, while autumn brings a return to higher speeds in October, back at 4.2 m/s (9 mph). Ultimately, January's winds reflect the dynamic interplay of changing seasons in Aalst, where each month unfolds a unique atmospheric narrative.
Weather in Aalst varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Aalst, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit distinct weather patterns, although they share some similarities. January typically sees a minimum temperature of -6°C (21°F), with an average of 4°C (40°F) and a maximum of 14°C (58°F). The month registers about 62 mm (2.5 in) of precipitation over 12 days, accompanied by a high humidity level of 91%. In contrast, February experiences slightly colder minimum temperatures, dropping to -11°C (13°F), yet has a marginally warmer average of 6°C (42°F) and can peak at 18°C (65°F). This month also has a similar rainfall total, at 65 mm (2.6 in), over the same number of rainy days, but with humidity slightly lower at 89%. For more detailed information about February weather, please refer to Aalst weather in February.
In comparing the weather between January and March, notable differences emerge. January typically features colder temperatures, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while March experiences slightly milder conditions, with minimum temperatures dipping to -7°C (19°F) but averaging 7°C (46°F). March also sees a significant rise in maximum temperatures, peaking at 23°C (73°F) compared to January's maximum of 14°C (58°F). Both months receive similar precipitation, with January recording 62 mm (2.5 in) over 12 days and March receiving 68 mm (2.7 in) across 14 days. Humidity is slightly lower in March at 87%, compared to January's 91%. For more detailed information, you can explore Aalst weather in March.
In comparison to January, April experiences a significant warming trend, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 27°C (80°F), contrasted with January's colder range of -6°C (21°F) to 14°C (58°F). The average temperature in April rises to a more pleasant 10°C (51°F), making it feel much more moderate than the average of 4°C (40°F) seen in January. Additionally, April sees a reduction in precipitation, with only 39 mm (1.5 in) over nine days, compared to January's 62 mm (2.5 in) over twelve days. Humidity in April also decreases slightly to 85%, down from January's high of 91%. For a detailed look at weather specifics, check out Aalst weather in April.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 14°C (58°F), leading to an average of 4°C (40°F). The month sees significant precipitation, averaging 62 mm (2.5 in) over 12 days, accompanied by high humidity levels of 91%. In contrast, May brings a noticeable warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (87°F) and an average of 14°C (57°F). The precipitation during May is slightly lower at 59 mm (2.3 in), also over 12 days, but has a reduced humidity of 82%. Thus, while January presents a cold and damp climate, May offers warmer temperatures and conditions that are generally more pleasant. For more detailed insights, check out Aalst weather in May.
In January, temperatures in Aalst can drop to a minimum of -6°C (21°F) and peak at 14°C (58°F), with an average temperature of around 4°C (40°F). The month experiences significant humidity at 91% and sees about 62 mm (2.5 inches) of precipitation over approximately 12 days. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (91°F) and an average temperature of 18°C (65°F). Although June also records similar precipitation levels of 63 mm (2.5 inches), it enjoys fewer rainy days, approximately 9, and lower humidity at 82%. For more detailed information, you can visit Aalst weather in June.
In January, temperatures in Aalst are quite chilly, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while the maximum reaches only 14°C (58°F). The month brings significant precipitation, totaling 62 mm (2.5 in) over 12 days, along with high humidity averaging around 91%. In contrast, July showcases a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a blistering maximum of 39°C (102°F), and an average of 19°C (66°F). Precipitation is slightly higher in July at 66 mm (2.6 in), but it occurs over just 11 days, and humidity drops to a more comfortable 80%. For more information on July weather in Aalst, check out Aalst weather in July.
January and August present contrasting weather conditions. In January, temperatures range from a chilly -6°C (21°F) at night to a mild 14°C (58°F) during the day, with an average temperature of around 4°C (40°F). The month experiences significant humidity at 91% and sees precipitation on 12 days, totaling 62 mm (2.5 in). Conversely, August brings warmth with nighttime lows of 8°C (47°F) and daytime highs reaching up to 35°C (96°F), averaging about 19°C (66°F). While it is slightly wetter with 73 mm (2.9 in) of rainfall spread across 13 days, the humidity drops to a more comfortable 76%. For a closer look at August conditions, you can check Aalst weather in August.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 14°C (58°F). The month experiences an average temperature of 4°C (40°F) and receives 62 mm (2.5 in) of precipitation over approximately 12 days, coupled with high humidity levels at 91%.
In contrast, September brings a noticeable warmth, with temperatures starting at a minimum of 4°C (40°F) and soaring to a maximum of 32°C (90°F), resulting in a comfortable average of 16°C (60°F). This month has less precipitation, totaling 52 mm (2.1 in) across about 9 days, along with lower humidity at 82%. For more detailed insights on September's climate, you can visit Aalst weather in September.
In January, temperatures are notably colder, with an average of 4°C (40°F) and a minimum plunging to -6°C (21°F), resulting in a chilly atmosphere. In contrast, October enjoys milder conditions, with an average temperature of 13°C (55°F) and highs reaching 25°C (77°F). While January experiences 62 mm (2.5 in) of precipitation across 12 days, October sees a slight increase in both rainfall and days with precipitation, totaling 81 mm (3.2 in) over 13 days. Humidity levels are relatively close, with January at 91% and October at 89%. For a detailed look at what to expect during this fall month, check out Aalst weather in October.
January experiences colder temperatures compared to November, with average highs reaching only 14°C (58°F) as opposed to November's warmer average high of 19°C (66°F). While January can dip to a minimum of -6°C (21°F), November's lows are milder at -2°C (29°F). Both months have similar levels of precipitation, with January seeing 62 mm (2.5 in) and November recording slightly less at 53 mm (2.1 in), although both months experience rainfall on about 12 days. Humidity levels are also quite similar, with January at 91% and November at 92%. For more details, you can check Aalst weather in November.
Comparing the weather in January and December reveals some intriguing differences. January typically sees a slight drop in temperatures, with minimums around -6°C (21°F) and an average of 4°C (40°F), while December is a bit milder with minimums at -4°C (25°F) and an average of 6°C (43°F). Precipitation is more frequent in December, with 89 mm (3.5 in) falling over 16 days compared to January's 62 mm (2.5 in) across 12 days. Additionally, both months experience high humidity levels, with January at 91% and December slightly higher at 92%. For a more detailed look at December weather, check out Aalst weather in December.
As winter settles in, January weather in Aalst presents a stark contrast to the milder months that precede and follow it. With temperatures dipping significantly, the city experiences its coldest average, characterized by chilly winds and the occasional frost, making it a month that truly embodies the essence of the season. While precipitation is slightly lower than in the wetter fall months, the high humidity ensures that the air feels crisp and damp. Visitors and locals alike will find January a unique time to explore Aalst, as the winter landscape unveils a different charm. For more insights into the climatic patterns of Aalst, be sure to check out Aalst Climate.