August in Norman averages a daily high of 33.9°C with nights around 21.5°C. Expect roughly 6.9 wet days totalling 92.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Norman is March–May.
Based on NORMAN 3 SSE, OK US (4.6km), 1995–2024. 23 years of August data.