June weather forecast
Brussels, Belgium

A beautiful slope garden with several museums, in the city of Brussels, Belgium
A beautiful slope garden with several museums, in the city of Brussels, Belgium

June

Weather in June

June marks the onset of summer, with an average high temperature of 20.6°C (69.1°F). While the days are indeed warmer, nights in Brussels, however, can still be a tad cool. Rainfall remains a familiar phenomenon, but longer daylight hours culminate in an overall summery feel. Outdoor activities and city explorations abound, taking advantage of the maximum sunshine hours of the year in Brussels. Despite this, remember that the June weather may still present surprising showers.

Temperature

June's climate shows a minor adjustment in average high-temperatures to an agreeable 20.6°C (69.1°F) from May's 18.1°C (64.6°F). Brussels observes an average nighttime temperature of 11.9°C (53.4°F) during June.

Humidity

In Brussels, the average relative humidity in June is 74.1%.

Rainfall

In June, the rain falls for 15 days. Throughout June, 72mm (2.83") of precipitation is accumulated. Throughout the year, there are 199.6 rainfall days, and 853mm (33.58") of precipitation is accumulated.

Snowfall

In Brussels, snow does not fall in May through October.

Daylight

With an average of 16h and 24min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 05:33 and sunset at 21:47. On the last day of the month, sunrise is at 05:32 and sunset at 21:59 CEST.

Sunshine

The average sunshine in June is 6.3h.

UV index

The month with the highest UV index is June, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in June leads to these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What are June temperatures?
In Brussels, in June, the average high-temperature is 20.6°C (69.1°F), and the average low-temperature is 11.9°C (53.4°F).
What is the average humidity in June?
In June, the average relative humidity in Brussels is 74.1%.
How many days does it rain in June?
In Brussels, in June, it is raining for 15 days, with typically 72mm (2.83") of accumulated precipitation.
When it does not snow?
In Brussels, snow does not fall in May through October.
When are the longest days?
The month with the longest days is June, with an average of 16h and 24min of daylight.
How many hours of daylight does Brussels have in June?
The average day length in June in Brussels is 16h and 26min.
When are sunrise and sunset in June?
On the first day of June, sunrise is at 05:33 and sunset at 21:47. On the last day of the month, sunrise is at 05:32 and sunset at 21:59 CEST.
How long on average sun shines in June?
The average sunshine duration in June is 6.3h.
When is the highest UV index?
With an average maximum UV index of 7, June is the month with the highest UV index.
How high is the UV index in June?
The average daily maximum UV index in June is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index
Average temperature in June - Brussels, Belgium
Average temperature in June
Brussels, Belgium
  • Average high temperature in June: 20.6°C

The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in June: 11.9°C

The month with the highest average low temperature is July (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.7°C).

Average humidity in June - Brussels, Belgium
Average humidity in June
Brussels, Belgium
  • Average humidity in June: 74.1%

The month with the highest relative humidity is December (88.8%).
The month with the lowest relative humidity is April (72.5%).

Average rainfall in June - Brussels, Belgium
Average rainfall in June
Brussels, Belgium
  • Average rainfall in June: 71.8mm

The wettest month (with the highest rainfall) is December (81mm).
The driest month (with the least rainfall) is April (51.3mm).

Average rainfall days in June - Brussels, Belgium
Average rainfall days in June
Brussels, Belgium
  • Average rainfall days in June: 15 days

The month with the highest number of rainy days is December (19.3 days).
The month with the least rainy days is July (14.3 days).

Average snowfall days in June - Brussels, Belgium
Average snowfall days in June
Brussels, Belgium
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June / Average sunshine in June - Brussels, Belgium
Average daylight in June /
Average sunshine in June
Brussels, Belgium
  • Average daylight in June: 16h and 2min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in June: 6h and 2min

The month with the most sunshine is July (Average sunshine: 6h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average UV index in June - Brussels, Belgium
Average UV index in June
Brussels, Belgium
  • Average UV index in June: 7

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).

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