January in Greenburgh averages a daily high of 3.2°C with nights around -4.8°C. Expect roughly 9.8 wet days totalling 80mm. 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. 29 years of January data.