June Weather in Uccle, Belgium

Last updated: August 21, 2025

June in Uccle, Belgium, presents a delightful contrast of weather conditions, making it a month of variability and charm. The temperature can soar to a maximum of 32°C (91°F), while basking in an average of 18°C (65°F), and dipping to a refreshing minimum of 7°C (44°F) at night. Despite this warmth, the month is marked by 66 mm (2.6 in) of precipitation over 9 days, contributing to the lush greenery of the landscape. The humidity level averages around 82%, creating a rich atmospheric experience that enhances the beauty of the Belgian summer. Whether you're strolling through the verdant parks or enjoying local delicacies, June is undoubtedly a month filled with vivid experiences in Uccle.

June Temperature in Uccle

In June, Uccle, Belgium, experiences a notable warmth as temperatures rise significantly, marking the true arrival of summer. The average temperature reaches a pleasant 18°C (65°F), with minimums settling at 7°C (44°F), allowing for comfortable evenings. Daytime highs can soar to an impressive 32°C (91°F), showcasing the region's capacity for balmy weather. This month represents a clear transition from the cooler spring temperatures, dramatically illustrated by the rise from May's max of 31°C (88°F). As the sunshine becomes more abundant, Uccle is transformed into a vibrant setting for outdoor activities and leisure, highlighting June as a favored month for both locals and visitors alike.

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

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

In June, Uccle, Belgium experiences a notable transition in its precipitation patterns, with a total of 66 mm (2.6 in) falling over 9 days. This amount reflects a slight increase from May's 58 mm (2.3 in), suggesting that as summer approaches, the region tends to see a rise in rainfall. The weather during this month typically maintains a balance, with precipitation days somewhat stable compared to the preceding months. Notably, as spring fades into summer, the rainfall distribution becomes more concentrated in July and August, where a peak of 80 mm (3.2 in) is observed. This trend highlights a gradual intensification of rain, setting the stage for lush greenery that characterizes the Belgian summer landscape.

June Precipitation Trends in Uccle

The chart displays monthly precipitation patterns in Uccle, 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 Uccle, 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 Uccle

June in Uccle, Belgium, marks a subtle shift in humidity levels, with a consistent reading of 82%, mirroring the slightly damp conditions of May. This mid-year stability reflects a gradual decline from the higher humidity of earlier months, where January and February dominate the charts with humidity levels of 91% and 89% respectively. As summer approaches, the drop continues into July, hitting a comfortable 80%, and further descends to a low of 76% in August. The trend indicates a seasonal easing, welcoming warmer days while maintaining a touch of moisture in the air—perfect for those looking to enjoy the lush greenery typical of Belgium during this time.

June Average Humidity in Uccle

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

In June, Uccle experiences a significant rise in the UV Index, reaching an impressive 8, categorized as very high. This marks a notable increase from the moderate levels seen earlier in the year, with a marked drop in burn time to just 15 minutes. As summer approaches, the UV Index trends upward, peaking in the months of June and July, indicating the necessity for enhanced sun protection. With the previous months showing gradual increases—from a low 1 in January to a moderate 5 in April—June stands out as a turning point where sun safety becomes paramount. For more details on UV exposure in this region, check the Uccle UV Index.

Maximum UV Index Levels in Uccle for June

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

In Uccle, Belgium, the month of June shines brightly with an impressive 398 hours of sunshine, marking a peak in the region's sunlit days. This delightful surge in sunlight follows a steady climb from 266 hours in March through to 394 hours in May, reflecting the arrival of summer and its warm embrace. The increase continues into July with 406 hours, suggesting a seasonal trend where the days grow longer and the sunshine becomes more abundant. As summer unfolds, the sun's golden rays provide a vibrant backdrop to life in Uccle, creating a stark contrast to the dreariness of winter months, with January only managing 121 hours. This annual rhythm not only brings joy but also invites residents and visitors alike to bask in the warmth of June's brilliance, setting the tone for the sun-soaked months ahead.

Monthly Sunshine Duration in Uccle: June Highlighted

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

Chance of Sun in Uccle During June

In Uccle, Belgium, the likelihood of sunny weather sees a gradual rise as spring transitions into summer. By June, the chance of enjoying sunny days stands at 33%, mirroring the patterns observed in May and July. This stability indicates a moderate expectation for clear skies, as residents and visitors alike can look forward to warmer, more pleasant days. Interestingly, the sunshine probability dips from 50% in April to May’s 33%, suggesting a brief window of optimism before settling back into an average summer forecast. While the chances don't peak significantly in June, it offers a welcome shift from the lower percentages seen in the colder months, highlighting the gradual embrace of summer's warmth in Uccle.

Percentage of Sunny Days in June in Uccle

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

Daylight Hours in Uccle in June

As June arrives in Uccle, Belgium, the days reach their zenith, basking in an impressive 16 hours of daylight. This surge in sunlight marks a significant leap from the shorter days of winter, where January and December each offer only 8 hours. Gradually, as spring unfolds, daylight steadily increases from 10 hours in February to 15 hours in May, creating an inviting transition into the longer, sun-soaked days of summer. Following the peak in June, the daylight begins to taper off, with July seeing 15 hours and August slightly diminishing to 14 hours. This rhythm of increasing and decreasing daylight not only enhances the natural beauty of Uccle but also influences the local lifestyle, encouraging outdoor activities and a vibrant atmosphere during these bright summer months.

Average Daylight Hours in Uccle for June

The chart illustrates the variation in daylight duration in Uccle 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: Uccle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Uccle

In June, the winds in Uccle, Belgium take a gentle turn, with an average speed of just 2.8 m/s (6 mph), marking the calmest month of the year. This dip follows a series of relatively stronger winds in the preceding months, particularly January and February, which both experienced average speeds around 4.4 m/s (10 mph). As the spring months progress, the trend shows a decrease, culminating in June's serene breezes. Interestingly, July sees a slight uptick to 3.3 m/s (7 mph), suggesting a brief resurgence before the summer settles in. Overall, this transition reflects the shifting dynamics of seasons, where June serves as a tranquil pause in the wind patterns, offering a softer touch to the landscape just before the warm summer days fully embrace the region.

Average June Wind Speed in Uccle

The chart displays monthly wind speed patterns in Uccle, 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: Uccle June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Uccle Compares to Other Months

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

In June, the weather in Uccle is significantly warmer, 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). In contrast, January experiences much cooler conditions, with temperatures dropping as low as -7°C (20°F) and averaging only 4°C (39°F). Both months see a similar amount of precipitation, with June receiving 66 mm (2.6 in) over nine rainy days, while January has 65 mm (2.5 in) across twelve days. Additionally, humidity is notably higher in January at 91%, compared to June's 82%. For a detailed look at January weather, you can visit Uccle weather in January.

June and February present stark contrasts in weather. June boasts a warmer climate with temperatures ranging from a chilly 7°C (44°F) at its lowest to a peak of 32°C (91°F), featuring an average temperature of 18°C (65°F). In contrast, February experiences much colder conditions, with minimum temperatures plummeting to -8°C (17°F) and a maximum of 19°C (66°F), while the average hovers around 5°C (42°F). Both months receive similar amounts of precipitation—66 mm (2.6 in) in June compared to 69 mm (2.7 in) in February—but February has 12 rainy days compared to just 9 in June, contributing to a higher humidity level of 89% in winter versus 82% in summer. For more insights on February weather, you can visit Uccle weather in February.

When comparing the weather in June and March, there is a stark contrast in temperatures and overall climate conditions. June boasts a much warmer average temperature of 18°C (65°F), peaking at max temperatures of 32°C (91°F), while March struggles to reach an average of just 7°C (45°F) with max temperatures only reaching 23°C (74°F). Additionally, June experiences less precipitation, totaling 66 mm (2.6 in) over 9 days, compared to March, which sees 70 mm (2.8 in) spread over 14 days. Humidity levels also differ; while June averages 82%, March is slightly higher at 87%. For a detailed look at March weather, visit Uccle weather in March.

When comparing the weather in June and April, it’s clear that June is significantly warmer, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), while April has a cooler range from -4°C (26°F) to 27°C (80°F). The average temperature in June is also higher at 18°C (65°F) compared to April's average of 10°C (50°F). Additionally, June experiences more precipitation, totaling 66 mm (2.6 in) over 9 days, while April has only 37 mm (1.5 in) over 8 days. However, both months have relatively high humidity levels, with June at 82% and April slightly higher at 85%. For more detailed information on April's weather, you can check Uccle weather in April.

When comparing the weather in June to that of May, we see a notable rise in average temperatures. June features a minimum temperature of 7°C (44°F) and an average of 18°C (65°F), while May has a lower minimum of 1°C (33°F) and an average of 13°C (57°F). The maximum temperatures are similar, with June reaching up to 32°C (91°F) and May peaking at 31°C (88°F). Precipitation levels in June are slightly higher at 66 mm (2.6 in) over 9 days, compared to May's 58 mm (2.3 in) over 12 days. Both months share the same humidity level of 82%. For more detailed insights into May's weather, visit Uccle weather in May.

June and July both offer warm temperatures, but July tends to be hotter, with maximums reaching up to 39°C (102°F) compared to June’s peak of 32°C (91°F). The average temperature rises slightly from 18°C (65°F) in June to 19°C (66°F) in July. While June experiences 66 mm (2.6 in) of precipitation over 9 days, July sees a slight increase in rain, totaling 71 mm (2.8 in) across 11 days. Humidity levels remain similar, with June at 82% and July slightly lower at 80%. For a more detailed look at July weather, you can visit Uccle weather in July.

June and August present 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). This month experiences approximately 66 mm (2.6 in) of precipitation over 9 days, alongside relatively high humidity at 82%. In contrast, August sees slightly warmer conditions, with temperatures ranging from 8°C (46°F) to a peak of 36°C (97°F), averaging 19°C (66°F). Precipitation increases to 80 mm (3.2 in) over 14 days, while humidity decreases to 76%. For further details, you can refer to the following link: Uccle weather in August.

June and September showcase notable variations in weather despite both months experiencing similar humidity levels at 82%. June is generally warmer, with average temperatures reaching 18°C (65°F) and maximums soaring to 32°C (91°F), while September's max temperature also peaks at 33°C (91°F) but features a lower average of 15°C (60°F) and a cooler minimum of 4°C (39°F). In terms of precipitation, June receives slightly more rainfall at 66 mm (2.6 in) compared to September's 55 mm (2.2 in), both occurring over the same number of days—nine in total. For more detailed insights, check out Uccle weather in September.

June and October present quite different weather conditions. In June, the 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). This month experiences about 66 mm (2.6 in) of precipitation over approximately nine days, accompanied by relatively high humidity at 82%.

In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (77°F), averaging just 12°C (54°F). While it rains slightly more at 76 mm (3.0 in) over about 13 days, the humidity rises to 89%. These differences highlight the transition from the warmth of late spring to the crispness of autumn. For a detailed look at October weather, you can visit Uccle weather in October.

In June, Uccle experiences significantly warmer temperatures, with a minimum of 7°C (44°F) and an average of 18°C (65°F), reaching a maximum of 32°C (91°F). The month sees about 66 mm (2.6 in) of precipitation over approximately 9 days, accompanied by a humidity level of 82%. In contrast, November brings a notable drop in temperature, where the minimum dips to -2°C (28°F), with an average of 7°C (45°F) and a maximum of 18°C (65°F). Although November has slightly less precipitation at 57 mm (2.2 in), it occurs over more days, averaging around 11 days, and a higher humidity of 92%. For more detailed information, visit Uccle weather in November.

In June, the weather is typically much warmer and more pleasant, with minimum temperatures around 7°C (44°F) and maximums reaching up to 32°C (91°F), while the average temperature sits at approximately 18°C (65°F). Rainfall is moderate during this month, with 66 mm (2.6 in) of precipitation spread over 9 days and a relative humidity of 82%. In contrast, December sees considerably cooler temperatures, ranging from a minimum of -5°C (24°F) to a maximum of 15°C (59°F), with an average temperature of only 5°C (42°F). This month also experiences higher precipitation of 93 mm (3.7 in) over 17 days, along with elevated humidity levels at 92%. For more details on December weather, you can check Uccle weather in December.

Compare Uccle's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Uccle

June in Uccle brings a delightful transition into summer, showcasing warmer temperatures that often reach up to 32°C (91°F), while still retaining refreshing evenings with an average of 18°C (65°F). Unlike the chillier months, June can be quite humid, sitting at around 82%, which may make the heat feel more intense. While rain is not uncommon, with 66 mm falling over 9 days, these sporadic showers don't dampen the spirit of the season. This vibrant climate marks a shift from the cooler and often wetter spring months, introducing longer days and a lively atmosphere perfect for outdoor activities. For a more detailed look at how Uccle's climate varies throughout the year, visit Uccle Climate.