January in Waco averages a daily high of 15.9°C with nights around 2.1°C. Expect roughly 5.6 wet days totalling 62.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Waco is March–April.
Based on WACO DAM, TX US (8.7km), 1995–2024. 18 years of January data.