January in Henderson averages a daily high of 14.9°C with nights around 4.5°C. Expect roughly 3 wet days totalling 13.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Henderson is March–April.
Based on HARRY REID INTERNATIONAL AIRPORT, NV US (16.7km), 1995–2024. 30 years of January data.