July Weather in Brussels, Belgium

Last updated: August 21, 2025

July in Brussels, Belgium showcases a diverse weather tapestry, where temperatures can soar to a maximum of 39°C (102°F), balanced by a refreshing average of 19°C (66°F) and a cool minimum of 8°C (46°F). Visitors can expect a mix of sunny days and occasional rain, with precipitation amounting to 71 mm (2.8 in) over 11 days of the month. Humidity levels hover around a relatively high 80%, adding a touch of mugginess to the summer heat. Embrace the vibrant atmosphere of Brussels during this dynamic month, perfect for exploring the city's rich culture amidst fluctuating weather conditions.

July Temperature in Brussels

In July, temperatures in Brussels experience a noticeable warmth, with minimums starting at 8°C (46°F) and climbing to maximums that can soar up to an impressive 39°C (102°F) on those particularly hot days. With an average temperature of 19°C (66°F), the month stands out as a peak of summer vibrancy, reflecting a significant rise from the cooler temperatures of spring. This trend of increasing warmth throughout the year culminates in July, showcasing a stark contrast to the chilly depths of January, where temperatures can plummet to -7°C (20°F). As the capital embraces its warmest month, locals and visitors alike revel in outdoor activities, making the most of Brussels' inviting summer atmosphere.

July Weather in Brussels: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Brussels, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brussels, July 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 Brussels 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.

July Precipitation in Brussels

In July, Brussels typically experiences a moderate increase in rainfall, receiving an average of 71 mm (2.8 in) over approximately 11 days. This marks a slight uptick from the previous month of June, which saw 66 mm (2.6 in) of precipitation, but it remains lower than the wetter month of August ahead, where totals rise to 80 mm (3.2 in). The consistent pattern of summer showers helps to sustain the lush landscapes around the city, making July a vibrant time for outdoor activities, despite the occasional rainfall. Overall, this month exemplifies the gradual shift toward the wetter second half of the year, setting the stage for the lush beauty of Brussels as it transitions into the peak of summer.

July Precipitation Trends in Brussels

The chart displays monthly precipitation patterns in Brussels, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Brussels, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec656971375866718055765793
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Brussels

In Brussels, Belgium, July brings a noticeable shift in humidity, averaging at 80%, marking the peak of summer. This is a decline from the earlier months, where humidity levels hover around 82% in June and gradually decrease to 76% in August. The trend illustrates a transition towards drier conditions as summer progresses, creating a more comfortable atmosphere compared to the colder months, which see humidity levels soaring into the high 90s. As residents and visitors enjoy the milder July air, the gradual drop indicates a welcome reprieve from the persistently humid winter months.

July Average Humidity in Brussels

This chart illustrates the average monthly humidity levels in Brussels, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Brussels 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Brussels

In July, Brussels experiences peak sun intensity with a UV Index of 8, categorizing it as very high. This level of exposure, similar to June, signals that even brief sun exposure can be harmful, as the recommended burn time is a mere 15 minutes. The summer months showcase a marked increase in UV radiation, with values rising significantly from the moderate levels found in early spring to the high values observed in late spring. As residents and visitors revel in outdoor activities, it's crucial to stay informed and vigilant against sunburn. For more detailed information about UV levels throughout the year, check out Brussels UV Index.

Maximum UV Index Levels in Brussels for July

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

July Sunshine in Brussels

In July, Brussels basks in the pinnacle of sunshine, boasting an impressive 406 hours of bright rays. This month represents the peak of summer, following a steady climb from January's meager 121 hours. The gradual increase in daylight is evident, as spring transitions into summer, with April and May showcasing remarkable growth in sunshine hours, reaching 346 and 394 respectively. As July shines, the city enjoys a warmth that starts to wane in August with 379 hours, yet still remains vibrant compared to the rest of the year. Overall, the sunshine hours reflect a clear trend of blossoming brightness from winter’s gloom to a flourishing summer glow, making July a truly memorable month in Brussels.

Monthly Sunshine Duration in Brussels: July Highlighted

The July sunshine duration represents the total number of hours Brussels experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h266h346h394h398h406h379h319h240h190h143h
Data source: Brussels July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brussels During July

In July, Brussels experiences a 34% chance of sunny weather, which reflects a modest increase compared to the preceding months of June and May, both at 33% and 33% respectively. This slight uptick indicates that while the summer sun may be somewhat elusive, it does have a stronger presence than in the spring months of April and May, where the chances were 50% and 33%. As we look towards August, the likelihood dips to 29%, signaling a return to more variable weather patterns typical of late summer. Overall, July offers a reasonable opportunity for sun-seekers, especially when compared to the gloomier months like January and November, with their meager chances of 11% and 24% respectively. Thus, while sunshine isn’t guaranteed, July stands as one of the brighter prospects in the Brussels calendar.

Percentage of Sunny Days in July in Brussels

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

Daylight Hours in Brussels in July

In Brussels, Belgium, the daylight duration in July averages a pleasant 15 hours, marking a slight decline from the peak of 16 hours experienced in June. This trend of increasing daylight during the spring months culminates in the vibrant summer days of July, providing ample sunlight for outdoor activities and cultural events. As the summer transitions into August, daylight begins to wane, decreasing to 14 hours. Overall, this pattern reflects the enchanting rhythm of the seasons, inviting residents and visitors alike to enjoy the lively ambiance of late summer in this charming European capital.

Average Daylight Hours in Brussels for July

The chart illustrates the variation in daylight duration in Brussels throughout the year, with July 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: Brussels daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Brussels

In July, Brussels experiences a mild shift in its average wind speed, clocking in at 3.3 m/s (7 mph). This marks a slight increase compared to the calms of June, where gentle breezes were at their lowest for the year at 2.8 m/s (6 mph). As summer unfolds, the wind begins to pick up again, reflecting the playful dance of air that often accompanies the warmest months. While July doesn't soar to the brisk speeds seen in the earlier winter months—such as January's notable 4.4 m/s (10 mph)—it serves as a reminder that even in the height of summer, the winds in Brussels keep the atmosphere pleasantly dynamic. This trend hints at a transition into balmy August, where the winds slightly strengthen once more.

Average July Wind Speed in Brussels

The chart displays monthly wind speed patterns in Brussels, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.03.44.42.83.3 m/s3.43.04.33.34.2
Data source: Brussels July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Brussels Compares to Other Months

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

In Brussels, July boasts a warm climate with temperatures ranging from a chilly 8°C (46°F) at night to a scorching 39°C (102°F) during the day, resulting in an average of 19°C (66°F). The month experiences around 71 mm (2.8 in) of precipitation over 11 days, coupled with a humidity level of 80%. In stark contrast, January presents a much colder scene, with temperatures dropping from a minimum of -7°C (20°F) to a maximum of 14°C (57°F), and an average temperature of just 4°C (39°F). The precipitation level is slightly lower at 65 mm (2.5 in) occurring over 12 days, but the humidity is higher at 91%. For more details on January weather, check Brussels weather in January.

In comparing the weather of July and February, one can observe significant differences in temperature and overall climate conditions. July boasts a broader temperature range, with minimums of 8°C (46°F) and maximums soaring up to 39°C (102°F), averaging at a comfortable 19°C (66°F). This month also experiences higher humidity at 80% and 71 mm of precipitation over 11 days. In contrast, February presents a much colder scenario, with minimum temperatures plunging to -8°C (17°F) and a maximum of only 19°C (66°F), reflecting an average of just 5°C (42°F). Precipitation levels are similar, at 69 mm over 12 days, but humidity is slightly higher at 89%. For those interested in more detailed insights, visit Brussels weather in February.

When comparing the weather in March and July, one can see a significant shift in temperatures and conditions. July enjoys a much warmer climate with average temperatures hovering around 19°C (66°F) and highs reaching up to 39°C (102°F), while March remains cooler, with average temperatures around 7°C (45°F) and highs peaking at 23°C (74°F). Precipitation levels are fairly similar, with July experiencing 71 mm over about 11 days, compared to March's 70 mm over 14 days. Additionally, humidity levels are slightly lower in July at 80% versus March's higher humidity of 87%. This stark contrast highlights how Brussels transitions from the cold grip of winter to the warmth of summer. For more details about the weather in March, you can check Brussels weather in March.

When comparing the weather in July and April, notable differences in temperature and precipitation emerge. July boasts a wider temperature range, with minimums around 8°C (46°F) and maximums soaring up to 39°C (102°F), resulting in an average of 19°C (66°F). In contrast, April temperatures are significantly cooler, featuring minimums of -4°C (26°F) and maximums reaching 27°C (80°F), with an average of 10°C (50°F). While July experiences more rainfall with 71 mm (2.8 in) over 11 days, April sees less precipitation at 37 mm (1.5 in) across 8 days. Interestingly, April has slightly higher humidity at 85% compared to July's 80%. For more details on April weather, visit Brussels weather in April.

When comparing the weather in July to that of May, it’s clear that July is significantly warmer, with average temperatures soaring to 19°C (66°F) and maximums reaching up to 39°C (102°F). In contrast, May experiences lower average temperatures of 13°C (57°F) and maximums that don't exceed 31°C (88°F). Additionally, while both months see a fair amount of rainfall, July has slightly higher precipitation at 71 mm (2.8 in) over 11 days compared to May’s 58 mm (2.3 in) over 12 days. Humidity levels are quite similar, with July at 80% and May at 82%. For a closer look at May's weather patterns, you can check Brussels weather in May.

In comparing the weather of July and June, July tends to be significantly warmer, with an average temperature of 19°C (66°F) compared to June's 18°C (65°F). The maximum temperature in July can reach a scorching 39°C (102°F), whereas June's maximum peaks at a milder 32°C (91°F). Additionally, July experiences slightly more precipitation, with 71 mm (2.8 in) over 11 days, compared to June's 66 mm (2.6 in) over 9 days. Humidity levels are quite similar, hovering around 80% in July and 82% in June. For further details, you can explore Brussels weather in June.

July and August in Brussels both exhibit similar temperature ranges, with minimums around 8°C (46°F) and averages of approximately 19°C (66°F). However, July sees slightly higher maximum temperatures reaching up to 39°C (102°F), whereas August peaks at a more moderate 36°C (97°F). Precipitation levels are notably higher in August, with 80 mm (3.2 in) recorded over 14 rainy days compared to July's 71 mm (2.8 in) over 11 days. The humidity is slightly lower in August at 76%, compared to July's 80%. For more details, you can check Brussels weather in August.

July's weather is markedly warmer compared to September, with temperatures ranging from a minimum of 8°C (46°F) to a scorching maximum of 39°C (102°F) and an average of 19°C (66°F). The month experiences substantial rainfall of 71 mm (2.8 in) over 11 days, coupled with a high humidity level of 80%. In contrast, September introduces cooler conditions, with temperatures dropping to a minimum of 4°C (39°F), an average of 15°C (60°F), and a maximum of 33°C (91°F). Precipitation decreases to 55 mm (2.2 in) over 9 days, while humidity remains slightly higher at 82%. For more information about September weather, visit Brussels weather in September.

When comparing the weather in July and October, notable differences emerge in both temperature and humidity. July typically experiences a wide temperature range, with a minimum of 8°C (46°F) and a maximum soaring to 39°C (102°F), culminating in an average of 19°C (66°F). In contrast, October sees cooler conditions, with temperatures ranging from a chilly 1°C (34°F) to a more moderate high of 25°C (77°F), averaging 12°C (54°F). Precipitation levels are relatively similar, with July receiving 71 mm (2.8 in) over 11 days, while October has slightly more, at 76 mm (3.0 in) across 13 days. Humidity is also higher in October at 89%, compared to 80% in July. For more detailed insights into this transitional month, check out Brussels weather in October.

July and November present a stark contrast in weather conditions. In July, temperatures range from a minimum of 8°C (46°F) to a maximum of 39°C (102°F), with an average around 19°C (66°F). This month experiences higher humidity at 80% and more precipitation, totaling 71 mm (2.8 in) over 11 days. In contrast, November sees much cooler temperatures, with a minimum of -2°C (28°F), an average of 7°C (45°F), and a maximum of 18°C (65°F). Although the total rainfall is slightly less at 57 mm (2.2 in), the humidity level rises to 92%, contributing to a distinctly chilly atmosphere. For more detailed insights, you can check Brussels weather in November.

July and December in Brussels present notably contrasting weather patterns. In July, temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 39°C (102°F), with an average temperature of 19°C (66°F). This month experiences 71 mm (2.8 in) of precipitation over 11 days, along with a high humidity level of 80%. In stark contrast, December sees much colder temperatures, with a minimum of -5°C (24°F) and a maximum of 15°C (59°F), averaging around 5°C (42°F). The month is wetter, with 93 mm (3.7 in) of precipitation over 17 days and an even higher humidity of 92%. For more information on December weather in Brussels, check out Brussels weather in December.

Compare Brussels's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Brussels

July in Brussels brings a notable shift from the city's typically milder months, showcasing warmer temperatures that can soar up to a sizzling 39°C (102°F), while maintaining an average around a comfortable 19°C (66°F). Unlike the chillier seasons, this month also experiences increased humidity levels of 80%, contributing to the warmer feel. Although it's a time for more sunshine, expect 11 days of rain throughout the month, leading to a total of 71 mm (2.8 in) of precipitation. For a comprehensive understanding of what to expect in Brussels during July and beyond, explore the details at Brussels Climate.