June Weather in Brussels, Belgium

Last updated: August 21, 2025

June in Brussels, Belgium, offers a delightful blend of weather experiences. With maximum temperatures reaching up to 32°C (91°F), the month encourages outdoor adventures, while the average temperature hovers around 18°C (65°F), ensuring comfortable evenings. However, expect some variability as minimum temperatures dip to 7°C (44°F). Rain is a frequent companion, with 66 mm (2.6 in) falling over 9 precipitation days, making it wise to carry an umbrella. Humidity levels are notably high at 82%, adding a tropical touch to the otherwise mild June climate. This mix of warmth and occasional showers creates a vibrant atmosphere perfect for exploring this charming city.

June Temperature in Brussels

June in Brussels ushers in a delightful warmth as the city transitions from the cool grip of spring to the embracing sun of summer. With temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), this month presents an inviting average of 18°C (65°F). This significant rise in temperature compared to the previous months illustrates the vibrant life that flourishes during this time, making it an ideal period for outdoor activities and exploring the city's rich culture. As June unfolds, residents and visitors alike bask in longer daylight hours, celebrating the arrival of pleasant evenings filled with the aroma of freshly bloomed flowers and lively street cafes.

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

The chart illustrates June 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, June 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.

June Precipitation in Brussels

In June, Brussels experiences an average precipitation of 66 mm (2.6 in) over 9 days, marking a slight uptick compared to the preceding month of May, which saw 58 mm (2.3 in). This steady rainfall contributes to the lush greenery characteristic of this time of year, although it is less frequent than in the wetter months of July and August. As summer approaches, June's precipitation is indicative of a gradual transition, maintaining a balance between sunny days and refreshing showers that help to nourish the vibrant city landscape. The trend of rainfall in early summer sets the stage for the warmer months ahead, while ensuring the air remains fresh and invigorating.

June Precipitation Trends in Brussels

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

In June, Brussels experiences a moderate humidity level of 82%, maintaining the same level as May. This marks a notable decline from the winter months where humidity hovered near 91% in January. The trend suggests that as spring transitions into summer, humidity gradually decreases, reaching its lowest point in August at 76%. Following this summer dip, humidity begins to rise again, indicating a shift as the city prepares for autumn. Overall, June embodies a balance of comfortable warmth and manageable humidity, setting the stage for the pleasant summer days ahead.

June Average Humidity in Brussels

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

June UV Index in Brussels

In June, Brussels experiences a significant increase in the UV Index, peaking at 8, which falls under the very high exposure category. This sharp rise from earlier months highlights the importance of protective measures, as the recommended burn time is reduced to a mere 15 minutes. Compared to the moderate levels seen in March and April, and the high readings in May, June's UV intensity signals a turning point for sun safety in the city. As summer approaches, residents and visitors should be particularly vigilant about sun protection to mitigate the risks associated with prolonged exposure. For a comprehensive understanding of UV levels throughout the year, explore the detailed information available at Brussels UV Index.

Maximum UV Index Levels in Brussels for June

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

June Sunshine in Brussels

June in Brussels shines brightly with 398 hours of sunshine, marking it as a peak month in the city's annual sunlit journey. As spring gives way to summer, the days grow longer, and the sun bathes the city in its warm glow. This trend of increasing sunlight continues from the 394 hours in May and sets the stage for an even sunnier July, which brings in 406 hours. The gradual ascent from the chill of January’s 121 hours paints a vivid picture of seasonal transformation, with hours of sunshine steadily escalating from the depths of winter. By the time June arrives, the city is alive, encouraging locals and visitors alike to bask in its vibrancy.

Monthly Sunshine Duration in Brussels: June Highlighted

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

Chance of Sun in Brussels During June

In June, Brussels experiences a 33% chance of sunny weather, which aligns closely with the figures from May and July, creating a mild mid-summer atmosphere. This month reflects a peak in potential sunshine compared to earlier spring months like March and April, where sunny probabilities were on the rise, culminating at 50% in April. However, June's likelihood mirrors that of both the preceding and following months, suggesting a subtler, yet consistent sunny disposition in the region. As summer unfolds, residents and visitors alike can look forward to enjoyable days, albeit with an awareness that cloudy skies might still share the spotlight.

Percentage of Sunny Days in June in Brussels

The chart illustrates the percentage of sunny days in Brussels throughout the year, with June 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 June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brussels in June

As spring transitions into summer, June emerges as a beacon of brightness in Brussels, boasting an impressive 16 hours of daylight. This significant increase from the 15 hours in May reflects the gradual lengthening of days throughout the year, following a steady rise from 8 hours in January. The upward trend peaks in June before subtly tapering off in July and August, with daylight receding to 15 and 14 hours respectively. This pattern highlights how summer in Brussels not only brings warmer weather but also gifts residents and visitors with more opportunities to bask in the sun and explore the vibrant city under the extended daylight. As autumn approaches, the daylight hours will continue to diminish, but June serves as a reminder of the season's richness and the long, warm days that define it.

Average Daylight Hours in Brussels for June

The chart illustrates the variation in daylight duration in Brussels throughout the year, with June 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.

June Winds in Brussels

As summer approaches in Brussels, Belgium, June brings a noticeable drop in average wind speed, averaging just 2.8 m/s (6 mph). This decline from the brisk breezes of the earlier months creates a more serene atmosphere, perfect for leisurely strolls through the city’s parks and streets. Compared to the slightly higher wind speeds in May and the gentle gusts expected in July, June’s calm winds invite residents and visitors alike to bask in the warmth of the season. This shift marks the transition from spring's refreshing currents to the more tranquil summer days, highlighting the rich, ever-changing tapestry of Brussels' weather patterns.

Average June Wind Speed in Brussels

The chart displays monthly wind speed patterns in Brussels, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.03.44.42.8 m/s3.33.43.04.33.34.2
Data source: Brussels June wind data, generated using information from the Copernicus Climate Change Service.

How June 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 June’s weather to other months in Brussels, focusing on differences in temperature, rainfall, humidity, and UV levels.

In June, Brussels experiences a warm climate with temperatures ranging from a cool 7°C (44°F) to a comfortable high of 32°C (91°F), and an average temperature of 18°C (65°F). The month sees about 66 mm (2.6 inches) of precipitation over approximately 9 days, with humidity levels at 82%. In stark contrast, January brings much colder weather, with temperatures dropping to a minimum of -7°C (20°F) and peaking at 14°C (57°F), averaging just 4°C (39°F). Despite slightly lower precipitation at 65 mm (2.5 inches), January experiences rainfall over more days, around 12, and higher humidity at 91%. For more detailed insights, you can check Brussels weather in January.

June and February present contrasting weather experiences. In June, temperatures range from a chilly 7°C (44°F) to a warm 32°C (91°F), with an average of 18°C (65°F). The month sees about 66 mm (2.6 in) of precipitation over 9 days, accompanied by relatively high humidity at 82%. Conversely, February is characterized by much cooler temperatures, with a minimum of -8°C (17°F) and a maximum of 19°C (66°F), averaging around 5°C (42°F). This month experiences slightly more precipitation at 69 mm (2.7 in) over 12 days, along with higher humidity levels at 89%. For more detailed information, you can check Brussels weather in February.

When comparing the weather in June and March, it's clear that June offers significantly warmer temperatures. The average temperature in June reaches 18°C (65°F), with highs going up to 32°C (91°F), while March has a cooler average of 7°C (45°F) and a maximum of 23°C (74°F). Additionally, March experiences a minimum temperature that can drop to -8°C (17°F), contrasting sharply with June's mild minimum of 7°C (44°F). Precipitation levels are fairly similar, with June receiving 66 mm (2.6 in) over 9 days and March slightly higher at 70 mm (2.8 in) over 14 days. Humidity levels also remain high in both months, hovering around 82% in June and 87% in March. For more detailed information about March weather, you can visit Brussels weather in March.

When comparing the weather in June and April, notable differences emerge. June tends to be significantly warmer, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), while April's temperatures are cooler, starting from -4°C (26°F) and peaking at 27°C (80°F). Additionally, June receives more precipitation overall, with 66 mm (2.6 in) distributed over 9 days compared to April's 37 mm (1.5 in) across 8 days. Humidity levels are quite similar, with June at 82% and April slightly higher at 85%. For more details on April weather, check out Brussels weather in April.

June weather in Brussels shows a notable increase in average temperatures compared to May, with June's average reaching 18°C (65°F) versus May's 13°C (57°F). While both months experience high humidity levels of 82%, June tends to have higher maximum temperatures, peaking at 32°C (91°F) compared to May's 31°C (88°F). Precipitation is slightly higher in June, with 66 mm (2.6 in) over 9 days, compared to May's 58 mm (2.3 in) over 12 days. For more details, you can check Brussels weather in May.

June and July exhibit notable differences in weather patterns. In June, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), with an average of 18°C (65°F). The month experiences approximately 66 mm (2.6 in) of precipitation over 9 days, accompanied by a high humidity level of 82%. In contrast, July presents slightly warmer conditions, 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). Precipitation increases slightly to 71 mm (2.8 in) over 11 days, while humidity remains lower at 80%. These changes create a distinctly different atmosphere in the two months. For more details, visit Brussels weather in July.

When comparing the weather in June and August, we observe some notable differences. June typically has a minimum temperature of 7°C (44°F) and can reach maximum highs of 32°C (91°F), while August starts slightly warmer with minimums around 8°C (46°F) and peaks at 36°C (97°F). The average temperature in June is 18°C (65°F) compared to August's average of 19°C (66°F). Additionally, June experiences about 66 mm (2.6 inches) of precipitation over 9 days, whereas August sees an increase in rainfall to 80 mm (3.2 inches) across 14 days, contributing to the slightly higher humidity of 76% compared to June's 82%. For more detailed insights on weather patterns, check out Brussels weather in August.

In June, the weather is generally warmer, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), while September sees lower averages, with minimums around 4°C (39°F) and an average high of 33°C (91°F). Both months experience similar levels of humidity at 82%, contributing to a somewhat muggy feel. Precipitation is slightly higher in June, totaling 66 mm (2.6 in) over 9 days compared to September's 55 mm (2.2 in) across the same number of days. For more detailed information about September weather, you can visit Brussels weather in September.

June and October present contrasting weather patterns, reflecting the transition from summer to autumn. In June, temperatures range from a minimum of 7°C (44°F) to a comfortable average of 18°C (65°F), peaking at a warm 32°C (91°F). This month experiences occasional rainfall, with a total of 66 mm (2.6 in) spread over 9 days, and a relatively high humidity level of 82%.

Conversely, October brings cooler temperatures, with a minimum of 1°C (34°F) and an average of 12°C (54°F), reaching a maximum of 25°C (77°F). The month sees a slight increase in precipitation, totaling 76 mm (3.0 in) over 13 days, along with higher humidity at 89%. Overall, while June offers warmth and sunshine, October ushers in a chillier atmosphere with more frequent rain showers. For more details, you can check Brussels weather in October.

June and November present stark contrasts in weather. June boasts a comfortable warmth, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F). The average temperature sits at a pleasant 18°C (65°F), complemented by relatively moderate humidity at 82%. However, June also brings about 66 mm (2.6 in) of precipitation over approximately 9 days. In contrast, November experiences much cooler conditions, with temperatures dipping to a minimum of -2°C (28°F) and an average of only 7°C (45°F), peaking at 18°C (65°F). This month sees slightly less precipitation at 57 mm (2.2 in) over 11 days, but with higher humidity levels at 92%. For more details on November weather, visit Brussels weather in November.

June and December present strikingly contrasting weather patterns. In June, the temperatures range from a mild 7°C (44°F) at night to a sizzling 32°C (91°F) during the day, with an average of 18°C (65°F) and a relatively low precipitation level of 66 mm (2.6 in) over nine days, resulting in a humidity of 82%. Conversely, December brings much colder conditions, featuring a minimum temperature of -5°C (24°F) and a maximum of 15°C (59°F), with an average temperature of just 5°C (42°F). It also experiences more precipitation, totaling 93 mm (3.7 in) across 17 days, accompanied by a higher humidity level of 92%. For more detailed insights, check out Brussels weather in December.

Compare Brussels's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Brussels

June in Brussels is a vibrant month that marks a shift from the cooler spring temperatures to the warmth of summer. With maximum temperatures reaching up to 32°C (91°F), this month is one of the warmest of the year, offering a delightful contrast to the milder conditions of the preceding months. However, the average temperature rests comfortably at around 18°C (65°F), providing a pleasant balance between warm days and cooler evenings. Rainfall is moderate, with about 9 days of precipitation totaling 66 mm (2.6 in), making it less likely than in spring but still requiring the occasional umbrella. The increased humidity at 82% adds to the summer atmosphere, making it essential for visitors to stay hydrated while exploring the city's many attractions. For more details, visit Brussels Climate.