December in White Plains averages a daily high of 5.9°C with nights around -1.6°C. Expect roughly 11 wet days totalling 102.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit White Plains is May–October.
Based on WESTCHESTER CO AIRPORT, NY US (5.8km), 1995–2024. 30 years of December data.