April in Norman averages a daily high of 22.4°C with nights around 9.5°C. Expect roughly 8 wet days totalling 92.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Norman is March–May.
Based on NORMAN 3 SSE, OK US (4.6km), 1995–2024. 21 years of April data.