May in Bethlehem averages a daily high of 20.4°C with nights around 2.3°C. Expect roughly 5.4 wet days totalling 15.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Bethlehem is April–June.
Based on BETHLEHEM, SF (3.4km), 1995–2024. 29 years of May data.