Winters in Vilvoorde are mild and variable, with temperatures often fluctuating between freezing cold and relatively balmy. January is the coldest month, with average highs struggling to reach 3°C, while February sees a slight improvement. Spring arrives in March, with temperatures gradually warming up to around 7°C on average. By May, summer-like warmth sets in, with averages reaching 11°C, although occasional heatwaves can push temperatures into the mid-20s. The summer months of June, July, and August are pleasant, with warm highs often in the mid-20s, while autumn brings a return to more moderate temperatures, averaging around 10-12°C by October.