December in Tulsa averages a daily high of 10.8°C with nights around -0.4°C. Expect roughly 6.6 wet days totalling 57.1mm. Demanding conditions — pack for it and plan indoor options.
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 December data.