January in Arad averages a daily high of 3.5°C with nights around -3.1°C. Expect roughly 10.4 wet days totalling 37.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Arad is April–June.
Based on ARAD, RO (6.1km), 1995–2024. 30 years of January data.