December in Scranton averages a daily high of 4.2°C with nights around -3.2°C. Expect roughly 12.2 wet days totalling 74mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Scranton is May–June.
Based on WILKES BARRE SCRANTON INTERNATIONAL AIRPORT, PA US (9.7km), 1995–2024. 30 years of December data.