July in Welland averages a daily high of 26.7°C with nights around 15.9°C. Expect roughly 10.6 wet days totalling 74.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Welland is May–September.
Based on WELLAND PELHAM, ON CA (7.1km), 1995–2024. 17 years of July data.