November in Richmond Hill averages a daily high of 12.5°C with nights around 4.7°C. Expect roughly 8.9 wet days totalling 75.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Richmond Hill is August–October.
Based on JFK INTERNATIONAL AIRPORT, NY US (8.8km), 1995–2024. 30 years of November data.