The best time to go to Alton is typically during the spring and summer months, from April to September.During these months, the weather is generally warmer and drier, making it ideal for exploring Alton's attractions and the surrounding Hampshire countryside. You'll find longer daylight hours, which is great for enjoying outdoor activities and day trips.Families often find late spring and early summer particularly appealing. The weather is pleasant for visits to local attractions like the Watercress Line, a heritage railway, or exploring the town's parks without the peak crowds of the school holidays. Many local events and markets begin to take place during this period.Couples looking for a relaxing escape might prefer September. The summer crowds have thinned, but the weather often remains mild and pleasant.