May in Bend averages a daily high of 18.4°C with nights around 2.6°C. Expect roughly 5 wet days totalling 20.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Bend is June–September.
Based on BEND, OR US (2.4km), 1995–2024. 28 years of May data.