May in Tulsa averages a daily high of 26.5°C with nights around 15.4°C. Expect roughly 11.3 wet days totalling 150.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Tulsa is March–May.
Based on TULSA INTERNATIONAL AIRPORT, OK US (11.4km), 1995–2024. 30 years of May data.