May in White Plains averages a daily high of 20.7°C with nights around 10.2°C. Expect roughly 12.7 wet days totalling 100.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit White Plains is May–October.
Based on WESTCHESTER CO AIRPORT, NY US (5.8km), 1995–2024. 29 years of May data.