Horsens experiences a moderate climate with significant seasonal variation. Winters are chilly, with temperatures often below freezing, especially in January and February when lows can drop as low as -16°C. Spring brings gradual warming, with March and April averaging around 4-6°C, while May is significantly warmer, averaging 10°C. Summers are mild to warm, with July being the warmest month, averaging 18°C, although temperatures can still reach highs of up to 30°C. Autumn is generally cool again, with October and November temperatures returning to averages similar to those in spring.