May marks the transition into the warmer season in the Niagara Falls region, characterized by increasing temperatures, sunshine, and reduced precipitation compared to the preceding months. Average high temperatures typically range from 13C to 18C (mid-50s to mid-60s Fahrenheit), while average lows hover between 5C and 9C (low-40s to high-40s Fahrenheit). This period experiences an average rainfall of around 80mm spread across several days.
Pleasant springtime conditions make May an attractive time to visit Niagara Falls. The moderate temperatures allow for comfortable exploration of the area’s numerous attractions, including the iconic waterfalls, hiking trails, gardens, and wineries. The lessening crowds compared to the peak summer season offer a more relaxed experience. Historically, May has represented the start of the main tourist season, providing an economic boost to the region.