Last updated: August 21, 2025
January in Mons, Belgium, unveils a winter landscape characterized by a maximum temperature peaking at 13°C (57°F), while the average remains a brisk 4°C (39°F). As temperatures occasionally plunge to a chilling minimum of -7°C (20°F), the month also brings notable precipitation, totaling 67 mm (2.6 in) over approximately 12 days. With an impressive humidity level of 91%, January showcases the season’s dampness, providing a crisp yet cozy atmosphere that envelops this charming Belgian city.
January in Mons, Belgium, is characterized by a crisp chill, with temperatures ranging from a brisk -7°C (20°F) at night to a mild 13°C (57°F) during the day. The month opens the year with an average temperature of 4°C (39°F), marking it as one of the colder times in the region. As winter transitions to spring, the following months reveal a steady increase in warmth; notably, February and March show slight upward trends in both minimum and maximum temperatures. This gradual escalation sets the stage for the much warmer months ahead, illustrating a fascinating climatic evolution from the biting cold of January to the more temperate conditions of late spring and summer.
In January, Mons, Belgium experiences a moderate level of precipitation, with 67 mm (2.6 in) of rain spread over 12 days. This marks the beginning of the year with consistent wet weather, setting a precedent for what’s to come. As the months progress, February and March see a slight uptick in rainfall, with 72 mm (2.9 in) and 74 mm (2.9 in) respectively. However, this increase in precipitation is juxtaposed against shorter rainfall days in the early months, indicating that while January is typically wet, it is February and March that continue to see an uptick. Following this, the spring months display a notable dip in rainfall, with April experiencing only 39 mm (1.5 in) across 9 days, hinting at a shift towards drier conditions. This pattern suggests that while January welcomes the year with considerable precipitation, the transition to spring delivers a fresh, albeit drier climate for Mons.
In January, Mons, Belgium, experiences a notable humidity level of 91%, setting the stage for a decidedly damp winter. As the months progress into February and March, humidity edges down slightly to 89% and 87%, respectively, signaling a gradual transition toward drier conditions. However, spring brings only a modest decrease, with April holding at 85% and May at 82%. This pattern of relatively high humidity persists into the summer, where it stabilizes at 80% in July and 76% in August, suggesting a brief respite. As the year winds down, humidity rises again, peaking at 92% in both November and December, closing the year on a notably moist note. Overall, Mons showcases a consistent trend of high humidity, particularly in the colder months, before dipping slightly in the heart of summer.
In January, Mons experiences a UV Index of 2, categorizing exposure as low, which means you can safely enjoy outdoor activities with approximately 45 minutes of sun before risk increases. This trend of low UV levels continues into February, maintaining the same index and burn time. However, as spring approaches, the UV index begins to rise, reaching 4 in March and 5 in April, indicating a moderate risk level with shorter burn times of 30 minutes. By May, the index escalates to 7, marking the start of a high exposure category where you should be cautious, with a burn time of just 25 minutes. The summer months bring the highest UV indices of 8 in June and July, classified as very high, demanding attention as the safe sun exposure dips to just 15 minutes. As the year progresses into fall, the UV index decreases, returning to moderate levels of 5 in September and 4 in October, before settling back to low levels in November and December. For more detailed information on UV levels and safety, visit Mons UV Index.
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In Mons, Belgium, January starts the year with a modest 120 hours of sunshine, setting the stage for a gradual increase in brightness as the months progress. By February, the sun begins to shine a bit more, climbing to 197 hours, and by March, there’s a significant leap to 263 hours. This upward trend continues robustly into spring and summer, peaking in July with an impressive 412 hours of sunlight, the highlight of the year. As the year winds down, the sunny hours begin to taper off, descending to 144 hours in December. Overall, Mons showcases a captivating seasonal shift, transforming from winter's gloom into a vibrant tapestry of light, particularly in the heart of summer.
In Mons, Belgium, January is characterized by its cool and often overcast weather, with only an 11% chance of sunshine. This dismal start to the year contrasts sharply with the increasing likelihood of sunny days in the following months, where February sees a notable rise to 29% and March soars to 40%. The shift becomes even more pronounced as spring approaches, with April boasting a striking 52% chance of clear skies, paving the way for brighter days ahead. As we transition into summer, the odds fluctuate slightly, remaining around the 30% mark. This upward trend in sunshine illustrates how January's gloomy weather is merely a prelude to the brighter and more vibrant days that follow.
In January, Mons, Belgium, experiences about 8 hours of daylight, setting off a gradual progression towards the longer days of spring and summer. As we move into February, the daylight increases to 10 hours, hinting at the approaching warmth. By March, the hours stretch to 11, and April brings a delightful 13 hours, igniting a sense of optimism as nature awakens. The peak of daylight arrives in June with an impressive 16 hours, perfect for enjoying the vibrant outdoors. Following July, daylight begins to wane slightly, with 15 hours, and continues to taper off through August and September, down to 12 hours. This gradual decrease brings us back to October's 10 hours, as the colder months approach, culminating once again in November and December with a return to 8 hours of daylight, completing the annual cycle. The rhythm of light in Mons not only marks the seasons but also reflects the ebb and flow of life in this enchanting city.
In January, Mons, Belgium, experiences an average wind speed of 4.3 m/s (approximately 10 mph), setting a cool tone for the month. As the winter chill lingers, this wind speed remains relatively stable compared to February's slight increase to 4.6 m/s. However, as spring approaches, a gradual decline becomes apparent, with March dropping to 4.0 m/s and April further easing to 3.4 m/s. The trend of mild breezes continues into the summer months, reaching a low of 2.8 m/s in June before bouncing back to 4.4 m/s in May, hinting at the seasonal shift. This gentle undulation in wind patterns creates a distinct rhythm throughout the year, with October reviving the earlier January wind speeds at 4.3 m/s. Overall, the January winds in Mons exhibit a captivating interplay between cool gusts and upcoming seasonal warmth, captivating anyone who embraces the charm of this Belgian city.
Weather in Mons varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mons, focusing on differences in temperature, rainfall, humidity, and UV levels.
January's weather tends to be slightly colder than February, with average temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F). In contrast, February sees temperatures drop a notch lower at a minimum of -8°C (17°F) but averages a bit warmer at 5°C (42°F), peaking at 18°C (65°F). While both months experience similar precipitation levels of around 67 mm (2.6 in) in January and 72 mm (2.9 in) in February, February enjoys slightly lower humidity at 89% compared to January's 91%. For more detailed insights on February weather conditions, you can visit Mons weather in February.
In January, temperatures in Mons typically range from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), with an average temperature of around 4°C (39°F). This month experiences relatively high humidity at 91% and sees about 67 mm (2.6 in) of precipitation over 12 days.
In contrast, March brings a noticeable shift in weather, with temperatures dropping slightly lower at a minimum of -9°C (17°F) but rising significantly to a maximum of 23°C (73°F), resulting in an average temperature of 7°C (45°F). Although precipitation increases to 74 mm (2.9 in) over 14 days, humidity decreases slightly to 87%. This change marks the transition from winter to spring, making March a more varied month in terms of weather conditions. For more detailed information, visit Mons weather in March.
January and April present a stark contrast in weather conditions. In January, temperatures are quite chilly, with a minimum of -7°C (20°F) and an average of 4°C (39°F), showing that winter is still in full swing. The month also experiences considerable precipitation, totaling 67 mm (2.6 in) over 12 days, coupled with high humidity at 91%. In contrast, April brings a noticeable warmth, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 26°C (79°F), averaging 10°C (50°F). Precipitation decreases to 39 mm (1.5 in) over just 9 days, and humidity also drops slightly to 85%. These changes indicate a shift from the cold winter months to the milder spring season, making April a more comfortable time to enjoy the outdoors. For more detailed insights, visit Mons weather in April.
In comparing the weather between January and May, significant differences are evident in temperature and overall climate conditions. January experiences a chilly range with minimum temperatures dipping as low as -7°C (20°F) and an average of 4°C (39°F), while May showcases a more pleasant warmth, with minimums starting at 0°C (33°F) and average temperatures rising to 13°C (56°F), peaking at a comfortable 30°C (86°F). Precipitation levels are somewhat comparable, with January receiving 67 mm (2.6 in) across 12 days versus May’s slightly lower 61 mm (2.4 in) over 13 days. Additionally, January is characterized by high humidity at 91%, whereas May sees a decrease to 82%, contributing to a more enjoyable outdoor experience. For more detailed information on May weather in Mons, you can visit Mons weather in May.
January and June present stark contrasts in weather patterns. In January, temperatures can plummet to a minimum of -7°C (20°F), with an average of 4°C (39°F) and a maximum reaching just 13°C (57°F). This month experiences a high level of humidity at 91%, along with 67 mm (2.6 in) of precipitation across 12 days. In contrast, June boasts a much milder climate, with temperatures ranging from a minimum of 6°C (43°F) to a warm average of 18°C (64°F) and a peak of 32°C (90°F). While precipitation remains relatively similar at 60 mm (2.4 in) over 10 days, the humidity decreases to 82%. For more details about the weather during this month, you can visit Mons weather in June.
January and July present stark contrasts in weather conditions. In January, temperatures range from a chilly -7°C (20°F) at night to a milder 13°C (57°F) during the day, with an average of 4°C (39°F). The month is marked by high humidity at 91% and 67 mm (2.6 in) of precipitation over approximately 12 days. In contrast, July experiences a much warmer climate, with temperatures fluctuating between a minimum of 8°C (46°F) and a scorching maximum of 39°C (103°F), averaging around 19°C (66°F). Despite receiving a similar amount of precipitation at 65 mm (2.6 in), July has fewer rainy days, averaging only 9. Additionally, humidity in July drops to a more comfortable 80%. For a closer look at July weather specifics, check Mons weather in July.
The weather in January and August presents a stark contrast in both temperature and humidity levels. January typically sees chilly conditions, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F) and an average of 4°C (39°F). The month is characterized by high humidity at 91% and frequent precipitation occurring over 12 days, totaling 67 mm (2.6 in).
In contrast, August features much warmer temperatures, with a minimum of 7°C (45°F), an average of 19°C (66°F), and highs soaring up to 37°C (98°F). Although August experiences slightly more precipitation at 79 mm (3.1 in) over 13 days, the humidity is lower at 76%. This shift from the cold, damp winter to the warm, humid summer highlights the dynamic climate fluctuations throughout the year. For more detailed information, check out Mons weather in August.
In January, the weather is characterized by cold temperatures, with a minimum of -7°C (20°F) and an average of just 4°C (39°F), while the maximum reaches 13°C (57°F). This month also sees significant precipitation, with 67 mm (2.6 in) spread over about 12 days and a high humidity of 91%. In contrast, September brings milder conditions, featuring a minimum temperature of 3°C (37°F) and an average of 15°C (60°F), peaking at a warm 32°C (91°F). Precipitation is slightly lower at 53 mm (2.1 in) occurring over 9 days, with humidity at 82%. For more details, check out Mons weather in September.
In January, temperatures can be quite frigid, ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), with an average of 4°C (39°F). This month sees significant precipitation, averaging 67 mm (2.6 in) over approximately 12 days, accompanied by high humidity at 91%. In contrast, October presents a much milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (76°F) and an average of 12°C (54°F). Precipitation is slightly higher in October at 78 mm (3.1 in), occurring on about 14 days, while humidity remains relatively high at 89%. For more detailed insights on the weather during this month, check out Mons weather in October.
In January, temperatures can be quite chilly, with a minimum of -7°C (20°F) and an average of 4°C (39°F), reaching a maximum of 13°C (57°F). The month typically experiences 67 mm (2.6 in) of precipitation over about 12 days, coupled with high humidity at 91%. In contrast, November offers milder conditions, featuring a minimum temperature of -2°C (29°F) and an average of 7°C (45°F), with maximums reaching up to 18°C (65°F). Precipitation is slightly lower at 60 mm (2.4 in) across 11 days, and humidity remains high at 92%. Overall, November's weather is more temperate and less severe than January's cold embrace. For more details on November weather in the area, check out Mons weather in November.
January weather is characterized by slightly colder temperatures compared to December, with averages ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F). In contrast, December sees a milder range, with temperatures varying from -4°C (25°F) to 15°C (58°F). Additionally, January experiences less precipitation, totaling 67 mm (2.6 in) over 12 days, whereas December reports higher levels with 100 mm (4.0 in) across 17 days. Humidity levels remain fairly consistent, with January at 91% and December at 92%. For more detailed insights into December weather, consider checking Mons weather in December.
January in Mons marks a distinct contrast to the milder months, with cool temperatures that hover around a chilly average of 4°C (39°F). Unlike the warmer seasons, residents can expect frequent precipitation, as this month sees about 67 mm (2.6 in) spread over 12 days, enveloping the town in a damp embrace. The high humidity levels of 91% further amplify the winter's chill, creating a unique ambiance that sets January apart from the rest of the year. If you're contemplating a visit, it's essential to prepare for these wintry conditions by checking the details at Mons Climate.