May in Scranton averages a daily high of 21.8°C with nights around 9.5°C. Expect roughly 13.1 wet days totalling 83.5mm. Generally workable, with some weather to plan around.
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 May data.