The best time to visit Beaumaris for pleasant weather and a full range of activities is generally from late spring to early autumn, specifically May through September.During these months, the weather is typically milder, with warmer temperatures and less rainfall, making it ideal for exploring Beaumaris Castle, strolling along the pier, or enjoying a boat trip. The longer daylight hours also allow for more sightseeing and outdoor dining experiences.Families often find July and August particularly appealing due to school holidays, when many local attractions and events are in full swing. While these months are popular and can be busier, the lively option often adds to the experience, with street performers and local markets frequently found near the town square.For travelers seeking a quieter experience with good weather, May, June, and September offer a nice balance.