Winters in Vleuten are generally cool, with temperatures often below freezing in January and February, but rising to average highs around 12°C in January. As spring approaches, temperatures gradually warm up, reaching averages of 11°C in May, which marks the beginning of warmer months. June is a peak summer month, with temperatures frequently reaching highs above 25°C, while July and August are slightly cooler, averaging around 18°C. Autumn brings a return to milder temperatures, ranging from around 4°C in September to 12°C in October, before dropping again in winter.