The best time to go to Thorold, Ontario, is during the late spring and summer months, particularly from May to September, to fully enjoy the region's outdoor activities and local events.May and June offer pleasant weather, ideal for exploring the Welland Canal and its locks, which are a major attraction in Thorold. You can watch ships navigate the canal from viewing platforms, and the surrounding pathways are superb for cycling or walking. This period also sees the start of warmer temperatures without the peak summer crowds. Couples looking for a relaxed getaway will appreciate the comfortable weather for exploring the local vineyards and heritage sites.July and August are the warmest months, making them superb for those who enjoy outdoor pursuits. Lock 7, a popular spot, often hosts events and offers a great vantage point for canal activities. The nearby Short Hills Provincial Park is fantastic for hiking and experiencing nature. Families will find these months particularly engaging, with plenty of opportunities for outdoor adventure and picnics along the canal.September brings slightly cooler temperatures and the beautiful autumn colours of the Niagara Region. It's an excellent time for scenic drives and visiting local farms and markets. The grape harvest season begins, making it an ideal time for wine enthusiasts to explore the numerous wineries just a short drive from Thorold.