Today, the UV index suggests low sun danger (0-2) in Brussels, reaching up to 0.6. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Brussels.
The UV index in Brussels is moderate throughout the year, reaching its peak in the summer months. On average, Brussels experiences a UV index of 5 (moderate) during the summer. It is important to protect your skin from the sun's harmful rays by wearing sunscreen, protective clothing, and sunglasses when spending time outdoors.
Brussels has four distinct seasons: spring, summer, autumn, and winter. Spring (March to May) is mild with temperatures ranging from 8 °C to 16 °C (46 °F to 61 °F). Summer (June to August) is warm, with temperatures averaging between 15 °C to 24 °C (59 °F to 75 °F). Autumn (September to November) brings cooler temperatures ranging from 9 °C to 17 °C (48 °F to 63 °F), and winter (December to February) is cold with temperatures ranging from 1 °C to 6 °C (34 °F to 43 °F).
Compared to its region, Brussels and the broader area of Belgium have a slightly milder climate due to their proximity to the North Sea. While sun exposure is a concern, especially during the summer months, it is not as intense as in other parts of Europe. However, it is still important to take precautions and protect your skin from the sun, particularly during peak hours of UV radiation.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Brussels. It's designed to provide you with a better understanding of the yearly weather and sun exposure.