Istanbul vs Bucharest

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in August. Istanbul offers 13 hours of daily sunshine with only 3 rain days, while Bucharest sees 12 sunshine hours and 7 rain days.

Istanbul sits in the comfortable travel range at 28°C. Bucharest runs hot at 29°C.

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

Istanbul reaches an average high of 28°C (82°F) and drops to 21°C (70°F) at night during August. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Bucharest averages 29°C (84°F) for the high and 18°C (64°F) for the low, with a daily range of 11°C. The two cities feel quite similar in terms of temperature.

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

Istanbul receives approximately 21 mm of rainfall across 3 rain days during August. Rain is occasional, so a light rain jacket should suffice.

Bucharest sees 49 mm over 7 rain days. That makes Istanbul the drier option by 4 rain days and 28 mm of total precipitation.

Both cities share similar humidity levels at 65%.