The best time to visit Annan is during the late spring to early autumn months, specifically from May to September.During this period, the weather is generally milder and more pleasant, making it ideal for exploring the Annan area and its outdoor attractions. You'll experience longer daylight hours, which is superb for enjoying walks along the River Annan or visiting nearby historical sites without the chill and shorter days of winter.For those who enjoy outdoor activities like cycling or fishing, the summer months of July and August offer the warmest temperatures and the best conditions. The Annan Riding of the Marches, a significant local event, typically takes place in July, offering a unique cultural experience.If you prefer to avoid the peak tourist season and potentially find better value on accommodation, late May, early June, or September are excellent choices.