December in Greenburgh 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 Greenburgh is May–October.
Based on WESTCHESTER CO AIRPORT, NY US (12.1km), 1995–2024. 30 years of December data.