June weather forecast
Brussels, Belgium

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

As May turns into June, the average high-temperatures rest at a pleasant 20.6°C (69.1°F), showing a minor variation from the prior month. Throughout the month of June, Brussels witnesses an average temperature of 11.9°C (53.4°F).

Humidity

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

Rainfall

In Brussels, during June, the rain falls for 15 days and regularly aggregates up to 72mm (2.83") of precipitation. In Brussels, during the entire year, the rain falls for 199.6 days and collects up to 853mm (33.58") of precipitation.

Snowfall

May through October are months without snowfall in Brussels.

Daylight

The month with the longest days is June, with an average of 16h and 24min of daylight.
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 in Brussels, Belgium, is June, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In June, an average UV index of 7 transforms into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.