January Weather in Saint-Gilles, Belgium

Last updated: August 21, 2025

January in Saint-Gilles, Belgium is characterized by a chilly climate, where temperatures fluctuate between a maximum of 14°C (57°F) and a minimum of -7°C (20°F), with an average temperature around 4°C (39°F). This month experiences significant precipitation, totaling 65 mm (2.5 in) over approximately 12 days, contributing to a humid atmosphere with humidity levels reaching 91%. Residents and visitors alike can expect a blend of crisp, cold air and damp conditions, making it essential to bundle up during outdoor excursions.

January Temperature in Saint-Gilles

In Saint-Gilles, Belgium, January ushers in winter's chill, with temperatures ranging from a frigid -7°C (20°F) to a mild 14°C (57°F). The average temperature of 4°C (39°F) hints at brisk days, perfect for cozy indoor activities or brisk winter strolls. As the month progresses, there’s a subtle but noticeable increase in warmth—foreshadowing the arrival of spring. Compared to neighboring February, which sees similar lows but slightly higher overall averages, January stands as a month of stark contrasts and cozy moments. Here, the winter landscape often cloaks the town in a serene beauty, welcoming visitors to embrace the seasonal charm before the gradual rise in temperatures throughout the year.

January Weather in Saint-Gilles: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint-Gilles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Gilles, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394245505664666660544542
Data source: Temperature data for Saint-Gilles generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Saint-Gilles

In January, Saint-Gilles experiences an average precipitation of 65 mm (2.5 in), spread across approximately 12 days of rainfall. This moderate start to the year lays the groundwork for a wet winter, as precipitation gradually increases in February and reaches 93 mm (3.7 in) by December, showcasing a trend toward wetter months as the year progresses. Notably, August emerges as the rainiest month with 80 mm (3.2 in), while April marks a significant decrease in precipitation, dropping to 37 mm (1.5 in) and offering a brief respite. Overall, the data highlights a distinct seasonal pattern, with late summer and fall bringing the heaviest rains, while early spring and summer present drier conditions.

January Precipitation Trends in Saint-Gilles

The chart displays monthly precipitation patterns in Saint-Gilles, 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 Saint-Gilles, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec656971375866718055765793
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Saint-Gilles

In January, Saint-Gilles, Belgium experiences a comfortable humidity level of 91%, setting the tone for a typically damp winter. As the months progress toward August, there's a gradual decline in humidity, reaching a low of 76%, signaling the arrival of drier summer months. However, as autumn approaches, humidity levels rebound, peaking again in November and December at 92%, reinforcing the region's characteristic winter dampness. Overall, this trend reflects a yearly cycle where the hottest months provide respite from humidity, only for wetter conditions to return as the year closes.

January Average Humidity in Saint-Gilles

This chart illustrates the average monthly humidity levels in Saint-Gilles, 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 Saint-Gilles is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Gilles

In January, Saint-Gilles experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes—perfect for enjoying the crisp winter air. As the month transitions into February, the UV Index remains at 2, maintaining that low exposure category. However, come March, you'll notice a shift: the UV Index rises to 4, marking a move into the moderate zone, with a reduced burn time of 30 minutes. This upward trend continues through April with a similar UV Index, leading into the sunnier months. As summer approaches, May ushers in a high UV Index of 7, which further spikes to 8 in both June and July, presenting a very high exposure risk and significantly lowering burn time to just 15 minutes. As the seasons turn again, August sees a slight dip to a UV Index of 7, before gradually easing back to moderate levels in the fall and winter months. Whether you're planning winter strolls or summer outings, being aware of the UV Index can help you protect your skin. For more information on seasonal trends, check out Saint-Gilles UV Index.

Maximum UV Index Levels in Saint-Gilles for January

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

In Saint-Gilles, Belgium, January begins the year with a modest 121 hours of sunshine, a stark contrast to the radiant months that follow. As winter gives way to spring, sunshine hours gradually increase, reaching 266 hours in March and surging to 346 hours by April. This upward trend continues through the warmer months, peaking in July with an impressive 406 hours of golden rays. The summer sun begins to wane in August, dropping to 379 hours, but the sunshine remains abundant until September, when it still offers 319 hours. The decline continues in the autumn months, culminating in a wintry 143 hours by December. Overall, this sunshine pattern highlights a transformative journey from chilly beginnings to vibrant summer, showcasing Saint-Gilles’ seasonal splendor.

Monthly Sunshine Duration in Saint-Gilles: January Highlighted

The January sunshine duration represents the total number of hours Saint-Gilles 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.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h266h346h394h398h406h379h319h240h190h143h
Data source: Saint-Gilles January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Gilles During January

In Saint-Gilles, Belgium, January marks one of the least sunny months of the year, with a mere 11% chance of seeing the sun shine through the clouds. This trend of reduced sunshine starts to lift as the seasons progress; by February, the likelihood of sunny days more than doubles to 30%, and it continues to climb, reaching 40% in March and peaking at 50% in April. The transition into spring not only brings longer days but also a significant boost in sun exposure, highlighting a seasonal shift that leads to a more cheerful and brighter landscape as warmer months approach.

Percentage of Sunny Days in January in Saint-Gilles

The chart illustrates the percentage of sunny days in Saint-Gilles 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 Saint-Gilles experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%30%40%50%33%34%34%29%36%32%24%16%
Data source: Saint-Gilles January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Gilles in January

In Saint-Gilles, Belgium, January ushers in a modest 8 hours of daylight, marking the start of the year with shorter days. As winter gives way to spring, the days gradually extend, with February offering 10 hours, and March further increasing to 11 hours. The trend continues upward into April, where daylight reaches 13 hours, culminating in the glorious 16 hours of sunlight in June, the peak of summer. As the year progresses, daylight begins to wane, tapering off to 15 hours in July and 14 hours in August, before descending back to 12 hours in September. By November and December, the cycle completes itself, returning to 8 hours of daylight, as if nature is inviting a restful pause before the rise of another year. This rhythm of daylight not only paints the seasons but also reflects the vibrant life that ebbs and flows in this charming locale.

Average Daylight Hours in Saint-Gilles for January

The chart illustrates the variation in daylight duration in Saint-Gilles throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Saint-Gilles daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Saint-Gilles

In January, Saint-Gilles, Belgium, experiences an average wind speed of 4.4 m/s (10 mph), which heralds a season marked by brisk, cool breezes. This invigorating start to the year is complemented by slightly peppier winds in February at 4.6 m/s (10 mph), before settling into a more variable rhythm as spring approaches. The winds taper off to 3.4 m/s (8 mph) by April, indicating the gentle transition to warmer weather. Interestingly, while May and October revive the earlier robust winds, delivering 4.4 m/s (10 mph) and 4.3 m/s (10 mph) respectively, mid-summer sees a dip to 2.8 m/s (6 mph) in June, suggesting a calm before the autumnal gusts. Overall, January's winds set a vibrant tone that resonates through the seasons, with a notable ebb and flow reflecting the region's shifting climate.

Average January Wind Speed in Saint-Gilles

The chart displays monthly wind speed patterns in Saint-Gilles, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.4 m/s4.64.03.44.42.83.33.43.04.33.34.2
Data source: Saint-Gilles January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Saint-Gilles Compares to Other Months

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

In January, the weather tends to be cold with a minimum temperature of -7°C (20°F) and an average of 4°C (39°F), peaking at 14°C (57°F). The month experiences approximately 65 mm (2.5 in) of precipitation over 12 days, coupled with a high humidity of 91%. In contrast, February shows slightly more moderate temperatures, with a minimum of -8°C (17°F), an average of 5°C (42°F), and a maximum reaching 19°C (66°F). Precipitation increases marginally to 69 mm (2.7 in) over the same number of days, while humidity levels decrease slightly to 89%. For more details on February weather, you can visit Saint-Gilles weather in February.

In January, temperatures typically linger around a chilling average of 4°C (39°F), with lows dropping to -7°C (20°F) and highs reaching a mild 14°C (57°F). The month sees an average precipitation of 65 mm (2.5 in) over about 12 days, accompanied by a high humidity level of 91%. In contrast, March experiences a noticeable warming trend, with average temperatures rising to 7°C (45°F) and highs soaring to 23°C (74°F), despite having a slightly lower minimum temperature of -8°C (17°F). Precipitation increases slightly to 70 mm (2.8 in) over 14 days, and humidity remains relatively high at 87%. For more detailed information, you can check Saint-Gilles weather in March.

January and April exhibit notably different weather patterns. In January, temperatures range from a chilly -7°C (20°F) to a mild 14°C (57°F), with an average temperature of 4°C (39°F). This month also experiences significant precipitation of 65 mm (2.5 in) over 12 days, along with high humidity levels of 91%. In contrast, April experiences a more pleasant climate, with temperatures fluctuating between -4°C (26°F) and a warm 27°C (80°F), averaging around 10°C (50°F). Precipitation decreases to 37 mm (1.5 in) over just 8 days, and humidity slightly lowers to 85%. These factors make April a more favorable month for outdoor activities. For more details, you can check Saint-Gilles weather in April.

January and May present strikingly different weather patterns. In January, temperatures range from a chilling -7°C (20°F) to a mild 14°C (57°F), averaging around 4°C (39°F). The month is characterized by high humidity at 91%, with 65 mm (2.5 in) of precipitation spread over 12 days. In contrast, May enjoys a significant warmth boost, with minimum temperatures starting at 1°C (33°F) and reaching a maximum of 31°C (88°F), resulting in an average of 13°C (57°F). Although May also sees rainfall, it totals 58 mm (2.3 in) over the same number of days (12), accompanied by slightly lower humidity at 82%. For more details on the delightful weather in May, you can visit Saint-Gilles weather in May.

January and June present a stark contrast in weather conditions. In January, temperatures can plummet to a minimum of -7°C (20°F), with an average temperature around 4°C (39°F) and a maximum of 14°C (57°F). The month experiences significant humidity at 91% and sees around 65 mm (2.5 in) of precipitation over 12 days. In contrast, June brings a much milder climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F) and an average of 18°C (65°F). While June has slightly higher precipitation at 66 mm (2.6 in), it lasts over just 9 days and features a lower humidity of 82%. This clear warming trend highlights the seasonal transition from the cold of January to the warmth of June, making the latter month perfect for outdoor activities. For more details, check out Saint-Gilles weather in June.

The weather in January is characterized by colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (39°F), while July offers a much warmer climate, with a minimum of 8°C (46°F) and an average of 19°C (66°F). In January, precipitation occurs on about 12 days, totaling 65 mm (2.5 in), whereas July experiences slightly more precipitation, with 71 mm (2.8 in) spread over 11 days. Despite this, January's high humidity of 91% is significantly greater than July's 80%, contributing to a chillier overall feel during the winter month. For more details about July weather specifically, you can check Saint-Gilles weather in July.

In January, the weather in Saint-Gilles is notably colder, with average temperatures ranging from a chilly -7°C (20°F) to a maximum of 14°C (57°F). The month sees about 65 mm (2.5 in) of precipitation over 12 days, along with high humidity levels at 91%. In contrast, August experiences much warmer temperatures, with an average of 19°C (66°F) and highs reaching up to 36°C (97°F). Although precipitation is slightly higher at 80 mm (3.2 in), it occurs over 14 days, and the humidity is notably lower at 76%. The stark differences between these two months highlight the seasonal transition from the cold of winter to the warmth of summer. For more details, check out Saint-Gilles weather in August.

When comparing the weather in January and September, there are notable differences in temperature and humidity. January experiences colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (39°F), while September boasts milder conditions, featuring a minimum of 4°C (39°F) and an average of 15°C (60°F). Additionally, September can see maximum temperatures reaching 33°C (91°F), making it significantly warmer than January's highest average of 14°C (57°F). Precipitation is also slightly less in September, with 55 mm (2.2 in) over 9 days compared to January's 65 mm (2.5 in) across 12 days. Humidity levels are higher in January at 91%, while September has a more comfortable humidity of 82%. For further details, you can check Saint-Gilles weather in September.

January and October present contrasting weather conditions. In January, temperatures are much colder, with minimums plummeting to -7°C (20°F) and an average of just 4°C (39°F), while October enjoys a milder climate with minimums around 1°C (34°F) and an average temperature of 12°C (54°F). Precipitation levels are similar, with January recording 65 mm (2.5 in) over 12 days and October showing a slight increase to 76 mm (3.0 in) over 13 days. Both months experience high humidity, but January’s figure of 91% is slightly higher than October’s 89%. For more detailed insights into October’s climate, check out Saint-Gilles weather in October.

January and November exhibit notable differences in weather conditions. In January, temperatures can drop as low as -7°C (20°F), with an average of 4°C (39°F) and a maximum of 14°C (57°F). The month is characterized by higher precipitation, totaling 65 mm (2.5 in) over approximately 12 days, while humidity remains high at 91%. In contrast, November experiences milder temperatures, with a minimum of -2°C (28°F) and an average of 7°C (45°F), peaking at 18°C (65°F). Precipitation in November is slightly lower at 57 mm (2.2 in) over about 11 days, and humidity is marginally higher at 92%. For more detailed information about the weather in November, you can visit Saint-Gilles weather in November.

In comparing the weather of January and December, we see some notable differences. January generally sees slightly colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (39°F), while December has a milder low of -5°C (24°F) and an average of 5°C (42°F). Additionally, January experiences less precipitation, totaling 65 mm (2.5 in) over 12 days, compared to December’s 93 mm (3.7 in) spread over 17 days. Humidity levels remain similar, with January at 91% and December at 92%. For more detailed weather information in December, you can refer to Saint-Gilles weather in December.

Compare Saint-Gilles's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Saint-Gilles

January in Saint-Gilles marks the heart of winter, characterized by chilly temperatures and a high humidity level that could leave visitors reaching for their warmest coats. Unlike the milder months, where temperatures often rise above average, January offers a maximum of 14°C, making it the month to embrace the winter chill. Additionally, with roughly 12 days of precipitation, it's prudent to expect some rain or snow, contrasting sharply with the drier conditions seen in the summer months. This combination of cool temperatures and precipitation creates a distinctly different vibe, highlighting January as a time for cozy indoor activities and festive winter atmosphere. For a deeper understanding of the seasonal variations, visit Saint-Gilles Climate.