Brussels features a maritime climate with four distinct seasons. Average temperatures are relatively mild throughout the year. The average low during winter is around 34°F (1°C) and only 74°F (23°C) in summer. 

Expats planning on staying a while should invest in a good umbrella, as rainfall is very common in the city. Expats can expect rainfall to be similar to London and Amsterdam. Overcast skies are typical for most of the year.