June Weather in Zaventem, Belgium

Last updated: August 21, 2025

In Zaventem, Belgium, June typically brings a delightful blend of warm temperatures and refreshing rain. The month experiences a maximum temperature reaching up to 33°C (92°F), while the average hovers around a comfortable 18°C (65°F), providing ideal conditions for outdoor activities. Nights can be cooler, occasionally dipping to a minimum of 8°C (46°F). June is also characterized by 64 mm (2.5 in) of precipitation spread over 9 days, contributing to the lush greenery of the region. With an 82% humidity level, this month offers a vibrant yet humid environment that truly represents the charm of Belgian summers.

June Temperature in Zaventem

June in Zaventem, Belgium, marks a delightful transition into the warm season, with temperatures showing a clear upward trend. The average temperature settles at a pleasant 18°C (65°F), accompanied by a minimum of 8°C (46°F) and a maximum soaring to 33°C (92°F). This marks a significant rise from the preceding months, especially when compared to the chilly spring averages. As nature fully awakens, June welcomes longer days, perfect for enjoying outdoor activities, and the pleasant warmth hints at the peak summer to come. With such variability, locals and visitors alike can relish the vibrant atmosphere that this month brings.

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

The chart illustrates June temperature patterns in Zaventem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zaventem, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404245505765666660554542
Data source: Temperature data for Zaventem 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 Zaventem

In June, Zaventem experiences a moderate level of precipitation, with 64 mm (2.5 in) of rain falling over 9 days. This rainfall marks a slight increase from May’s total of 57 mm (2.3 in) but remains lower than the levels typically seen in the height of summer in July and August. It's notable that while June’s precipitation days, at 9, are fewer than in the preceding month, the consistency of rain hints at a gradual transition into the wetter peak months of the summer. Overall, June strikes a balance—offering essential moisture for growth while hinting at the more abundant rains that lie ahead.

June Precipitation Trends in Zaventem

The chart displays monthly precipitation patterns in Zaventem, 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 Zaventem, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec626768355764717450775388
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Zaventem

In Zaventem, Belgium, June brings a sense of balmy comfort with humidity steady at 82%, mirroring the slightly drier conditions of May. As the seasons advance, the region experiences a gradual decline in humidity from the highest levels in winter, where January and February average 91% and 89% respectively, down to 76% in the warmer days of August. This downward trend reflects a shift toward more pleasant summer conditions, making June an ideal month for outdoor activities. As autumn approaches, humidity levels begin to rise again, underscoring the cyclical nature of Zaventem's climate. With June's balanced humidity, residents enjoy a sweet spot that hints at both summer warmth and the refreshing breezes yet to come.

June Average Humidity in Zaventem

This chart illustrates the average monthly humidity levels in Zaventem, 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 Zaventem 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 Zaventem

As summer unfolds in Zaventem, Belgium, the UV Index sees a sharp rise, peaking in June at a striking 8, categorizing it as very high. This presents a notable shift from the mild conditions of the earlier months, where the index remained at a manageable level of low to moderate. With an acceleration in the risk of skin damage, sun exposure is advised to be limited to just 15 minutes during this time. Following June, July maintains the same intense UV levels, while August eases slightly to a 7 as summer begins to wane. It's essential to stay vigilant and protect your skin during these sunny days. For more detailed information on UV trends, visit Zaventem UV Index.

Maximum UV Index Levels in Zaventem for June

The chart shows the monthly maximum UV Index (UVI) for Zaventem 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 Zaventem typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Zaventem 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 Zaventem

June shines brightly in Zaventem, Belgium, as the city basks in an impressive 400 hours of sunshine, marking a delightful peak in the early summer months. Following a steady increase since January's moderate 120 hours, the days have grown longer and sunnier, with May bringing 397 hours and paving the way for June's radiant days. This trend of escalating sunshine continues into July, where hours reach 411, but the steady decline begins thereafter, with August seeing 383 hours. This evolution through the year illustrates a vibrant transition from the quiet, cloudy winter months to the lively, sun-drenched days of summer, making June an exceptional time to enjoy the warmth and vitality of this charming Belgian locale.

Monthly Sunshine Duration in Zaventem: June Highlighted

The June sunshine duration represents the total number of hours Zaventem 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.
JanFebMarAprMayJunJulAugSepOctNovDec120h203h272h348h397h400h411h383h320h241h191h143h
Data source: Zaventem June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zaventem During June

In Zaventem, Belgium, the prospect of sunny weather in June presents a moderate 34% chance, aligning closely with the patterns observed in the preceding and succeeding months of May and July, which also hover around this figure. This marks a slight dip from April's peak of 47%, suggesting that while June can still offer plenty of bright moments, it may not be the sunniest month of the year. Interestingly, the overall trend indicates that as spring transitions into summer, the likelihood of sunshine stabilizes between 31% and 39%, offering a blend of warmth and occasional clouds. So, while you can expect some sunny days in June, it's wise to be prepared for the unpredictable nature of Belgian weather!

Percentage of Sunny Days in June in Zaventem

The chart illustrates the percentage of sunny days in Zaventem 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 Zaventem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%31%39%47%33%34%34%31%34%31%24%17%
Data source: Zaventem June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zaventem in June

In Zaventem, Belgium, the arrival of June marks a delightful transition into the heart of summer, with daylight extending to an impressive 16 hours. This significant increase from the 8 hours in January illustrates the gradual lengthening of days that begins in early spring. As the seasons progress from February’s 10 hours to May’s 15 hours, residents eagerly anticipate the peak sunlight of June. Following this zenith, daylight begins to wane again in July and August, highlighting a natural ebb and flow that characterizes the region's seasonal rhythm. The rich tapestry of daylight hours not only enhances the beauty of Zaventem's summer landscape but also invites outdoor activities and community gatherings throughout this vibrant month.

Average Daylight Hours in Zaventem for June

The chart illustrates the variation in daylight duration in Zaventem throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 27m10h11h 55m13h 52m15h 34m16h 27m15h 59m14h 27m12h 34m10h 38m8h 53m7h 58m
Data source: Zaventem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Zaventem

In Zaventem, Belgium, the month of June marks a notable shift in wind conditions, with an average wind speed of just 2.7 m/s (6 mph). This is the lowest wind speed recorded for the year, following a gradual decline from the 4.2 m/s (9 mph) seen in January. The transition into summer typically brings a gentle breeze, as wind speeds drop significantly from the earlier months, ultimately creating a serene atmosphere for outdoor activities. While May had already started to show a slight decrease in winds, June's calm conditions signal a time when residents can enjoy the tranquil beauty of their surroundings, with the breezy tendencies of spring giving way to a more relaxed summer vibe.

Average June Wind Speed in Zaventem

The chart displays monthly wind speed patterns in Zaventem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.33.83.34.12.7 m/s3.23.22.94.13.23.9
Data source: Zaventem June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Zaventem Compares to Other Months

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

In June, the weather in Zaventem is typically much warmer and more pleasant, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (92°F) and an average of 18°C (65°F). The month sees an average of 64 mm (2.5 in) of precipitation over about 9 days, accompanied by high humidity levels at 82%. In contrast, January presents a starkly different climate, characterized by colder temperatures that fluctuate between a minimum of -6°C (21°F) and a maximum of 14°C (58°F), with an average temperature of just 4°C (40°F). This month also features a similar amount of precipitation, measuring 62 mm (2.4 in) over 11 days, but with even higher humidity at 91%. For more details, you can check Zaventem weather in January.

When comparing the weather in June and February, a stark contrast emerges. June experiences milder temperatures, with a minimum of 8°C (46°F), an average of 18°C (65°F), and a maximum reaching 33°C (92°F). In contrast, February is much colder, starting from a minimum of -9°C (16°F), with an average temperature of 6°C (42°F) and a maximum of 19°C (66°F). Despite February's slightly higher precipitation total of 67 mm (2.6 in) over 12 days, June is still quite wet, with 64 mm (2.5 in) falling over 9 days, albeit with a lower humidity level of 82% compared to February's 89%. For more detailed insights into February's weather, you can visit Zaventem weather in February.

In comparing the weather in June and March, June typically enjoys milder and warmer temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 33°C (92°F) with an average of 18°C (65°F). In contrast, March experiences much cooler temperatures, with a minimum of -7°C (19°F) and a maximum of 23°C (74°F), averaging around 7°C (46°F). Both months see comparable levels of precipitation, with June receiving 64 mm (2.5 in) over 9 days and March slightly higher at 68 mm (2.7 in) spread across 13 days. Humidity is also notable in both months, with June at 82% and March slightly higher at 87%. For more details about March weather, you can check Zaventem weather in March.

In comparing the weather of June and April, we observe notable differences in temperature and precipitation. June offers warmer conditions, with an average temperature of 18°C (65°F) and a maximum reaching 33°C (92°F), while April has a cooler average of 10°C (51°F) and peaks at 28°C (82°F). Additionally, June experiences more precipitation, totaling 64 mm (2.5 in) over 9 days, compared to April's 35 mm (1.4 in) across 7 days. The humidity levels remain high in both months, with June at 82% and April slightly higher at 85%. For more details on April weather, you can check Zaventem weather in April.

In comparing the weather between May and June, we can see a notable increase in temperatures. June experiences a minimum of 8°C (46°F) and averages around 18°C (65°F), while May has cooler conditions with a minimum of just 1°C (34°F) and an average of 14°C (57°F). Although June reaches a maximum of 33°C (92°F), slightly higher than May's 32°C (89°F), it also sees a bit more rainfall, with 64 mm (2.5 in) over 9 days compared to May's 57 mm (2.3 in) over 12 days. Both months share a humidity level of 82%, indicating a consistent moisture level in the air. For detailed weather conditions, you can refer to Zaventem weather in May.

In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), with an average temperature of 18°C (65°F). The month sees about 64 mm (2.5 in) of precipitation over 9 days, accompanied by high humidity at 82%. In contrast, July experiences slightly warmer average temperatures of 19°C (67°F), with maximums soaring to 39°C (103°F) and a similar minimum of 8°C (47°F). Precipitation increases to 71 mm (2.8 in) across 10 days, and humidity remains slightly lower at 80%. For a more detailed look into July's weather, you can visit Zaventem weather in July.

When comparing June and August weather, both months experience mild to warm temperatures. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). August offers slightly warmer conditions, with temperatures ranging from 8°C (47°F) to a maximum of 36°C (96°F) and an average of 19°C (67°F). Precipitation also sees an increase in August, with 74 mm (2.9 in) falling over 13 days compared to June's 64 mm (2.5 in) over 9 days. Despite the higher precipitation, August has a lower humidity level at 76% compared to June's 82%. For more detailed insights into the weather in August, you can check Zaventem weather in August.

In June, the weather typically features a wider range of temperatures, with minimums around 8°C (46°F) and maximums reaching up to 33°C (92°F), resulting in an average temperature of 18°C (65°F). The month experiences about 64 mm (2.5 in) of precipitation over 9 days, paired with high humidity at 82%.

In contrast, September sees a slight dip in temperatures, with minimums of 4°C (39°F) and a similar maximum of 33°C (93°F), resulting in an average of 16°C (60°F). This month has less precipitation at 50 mm (2.0 in) over 9 days, maintaining the same level of humidity at 82%.

For more details, you can check out Zaventem weather in September.

June and October showcase distinct contrasts in weather. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F), offering warmer days that encourage outdoor activities. However, it also sees about 64 mm (2.5 in) of precipitation over 9 days, with humidity levels averaging 82%. In contrast, October experiences cooler temperatures, with a minimum of 2°C (35°F), an average of 13°C (55°F), and a maximum of 26°C (79°F). This month is marked by increased precipitation, totaling 77 mm (3.0 in) across 12 days, and higher humidity at 89%. For a closer look at October's weather specifics, visit Zaventem weather in October.

June and November present a stark contrast in weather conditions. June boasts warmer temperatures, with a minimum of 8°C (46°F) and an average high reaching 33°C (92°F), while November's temperatures can drop as low as -3°C (28°F) and rarely exceed 19°C (66°F). Rainfall is fairly consistent, with June experiencing 64 mm (2.5 in) across 9 days and November receiving 53 mm (2.1 in) over 10 days, although November tends to have slightly higher humidity at 92% compared to June's 82%. For more insights on November's weather, check out Zaventem weather in November.

June and December present strikingly contrasting weather conditions. In June, temperatures range from a pleasant minimum of 8°C (46°F) to a maximum of 33°C (92°F), creating warm and often sunny days, though humidity levels can reach up to 82%. Total precipitation during this month is relatively moderate at 64 mm (2.5 in), occurring over about 9 days. In contrast, December features much colder weather, with temperatures dipping as low as -5°C (23°F) and averaging around 6°C (42°F). The month sees a higher total precipitation of 88 mm (3.5 in) spread over 16 days, and humidity levels rise to 92%, contributing to a distinctly chillier and damp atmosphere. For more detailed information, you can explore Zaventem weather in December.

Compare Zaventem's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Zaventem

June in Zaventem marks a vibrant transition into summer, with temperatures soaring to a maximum of 33°C and a pleasant average of 18°C. Unlike the cooler spring months, the warmth invites outdoor adventures, though the humidity levels can make it feel a bit more intense. Although the month does see some rainfall, with 9 days experiencing precipitation, this doesn't overshadow the joy of longer daylight hours and blooming nature. Overall, June offers a delightful contrast to the cooler, wetter months, setting the stage for delightful summer experiences. For a deeper dive into the region's climate, visit Zaventem Climate.