average temps in tulsa in april
Key weather averages for Tulsa in April. 1  23. 23Â°C max day temperature. 2  8. 8 hours of sunshine per day. 3  9. 9 days with some rainfall. 4  10. 10Â°C min night temperature. 5  13. 13 hours of daylight per day. 6  0. No heat & humidity. 7  97. 97 mm of monthly rainfall. 8  8. 8 (Very High) UV index.