Weather Comparison
Side-by-side weather comparison for August
| Metric | Bucharest | Istanbul | Better |
|---|---|---|---|
| Average HighHigher is warmer | 29°C (84°F)▲ | 26°C (79°F) | Bucharest |
| Average LowHigher is milder | 18°C (64°F)▲ | 17°C (63°F) | Bucharest |
| Rain DaysFewer is drier | 7 days | 2 days▲ | Istanbul |
| PrecipitationLess is drier | 49 mm | 27 mm▲ | Istanbul |
| Sunshine HoursMore is sunnier | 12h/day▲ | 6h/day | Bucharest |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 13 km/h▲ | 15 km/h | Bucharest |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in August. Istanbul offers 6 hours of daily sunshine with only 2 rain days, while Bucharest sees 12 sunshine hours and 7 rain days.
Bucharest can feel quite hot at 29°C, so plan for heat. Istanbul is also comfortable at 26°C.
For travelers who prioritize dry weather, Istanbul is the stronger choice in August. Bucharest receives 6 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Bucharest reaches an average high of 29°C (84°F) and drops to 18°C (64°F) at night during August. The daily temperature range is 11°C, meaning moderate variation throughout the day.
Istanbul averages 26°C (79°F) for the high and 17°C (63°F) for the low, with a daily range of 9°C. The 3°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in August.
Bucharest receives approximately 49 mm of rainfall across 7 rain days during August. Rain is occasional, so a light rain jacket should suffice.
Istanbul sees 27 mm over 2 rain days. That makes Istanbul the drier option by 5 rain days and 22 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 29°C, lows of 18°C, 7 rain days
Highs of 26°C, lows of 17°C, 2 rain days
The table below shows average high temperatures and rain days for every month. August is highlighted for quick reference.
| Month | Bucharest | Istanbul | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 3°C | 7d | 16°C | 6d |
| Feb | 6°C | 6d | 19°C | 5d |
| Mar | 11°C | 8d | 22°C | 4d |
| Apr | 17°C | 9d | 26°C | 2d |
| May | 23°C | 11d | 28°C | 1d |
| Jun | 26°C | 12d | 29°C | 1d |
| Jul | 29°C | 10d | 28°C | 1d |
| Aug | 29°C | 7d | 26°C | 2d |
| Sep | 23°C | 7d | 22°C | 4d |
| Oct | 17°C | 7d | 19°C | 5d |
| Nov | 10°C | 7d | 16°C | 6d |
| Dec | 4°C | 7d | 15°C | 7d |
Bucharest Weather in August
Full forecast, packing tips, and activities
Istanbul Weather in August
Full forecast, packing tips, and activities