January in Norman averages a daily high of 10°C with nights around -2.6°C. Expect roughly 4.9 wet days totalling 31.4mm. Demanding conditions — pack for it and plan indoor options.
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 January data.