July in Kingston averages a daily high of 26.6°C with nights around 15.2°C. Expect roughly 11.3 wet days totalling 77.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Kingston is May–September.
Based on HARTINGTON IHD, ON CA (27.8km), 1995–2024. 28 years of July data.