January in Sfântu Gheorghe averages a daily high of -7.4°C with nights around -12.5°C. Expect roughly 13.1 wet days totalling 58.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sfântu Gheorghe is July–August.
Based on VARFU OMUL, RO (53.1km), 1995–2024. 14 years of January data.