Istanbul vs Bucharest

Istanbul and Bucharest are closely matched in January. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Istanbul is on the cooler side at 8°C, requiring warmer clothing. Bucharest is cooler at 3°C.

For travelers who prioritize dry weather, Bucharest is the stronger choice in January. Istanbul receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Istanbul reaches an average high of 8°C (46°F) and drops to 4°C (39°F) at night during January. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

Bucharest averages 3°C (37°F) for the high and -5°C (23°F) for the low, with a daily range of 8°C. There is a notable 5°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.

Istanbul receives approximately 85 mm of rainfall across 13 rain days during January. You can expect rain roughly every other day.

Bucharest sees 39 mm over 7 rain days. That makes Bucharest the drier option by 6 rain days and 46 mm of total precipitation.

Both cities share similar humidity levels at 65%.