Vaslui's winters are cold and unpredictable, with temperatures often dropping below freezing in January and December, but occasionally rising to mild highs around 12°C. As spring approaches, the temperature range expands, with March bringing occasional warmth and April experiencing a significant increase in average temperature. Summer months bring warm to hot conditions, with July and June being the hottest periods, while September offers a brief respite from the heat before autumn returns. Autumn is generally mild, but temperatures can drop significantly by November, mirroring the cold start of winter. Overall, Vaslui's temperature fluctuations are moderate, with average temperatures hovering around 0°C in winter and 15-20°C in summer.