Weather Comparison
Side-by-side weather comparison for June
| Metric | Istanbul | Bucharest | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F) | 26°C (79°F)▲ | Bucharest |
| Average LowHigher is milder | 18°C (64°F)▲ | 16°C (61°F) | Istanbul |
| Rain DaysFewer is drier | 6 days▲ | 12 days | Istanbul |
| PrecipitationLess is drier | 36 mm▲ | 89 mm | Istanbul |
| Sunshine HoursMore is sunnier | 13h/day | 13h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 19 km/h | 13 km/h▲ | Bucharest |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in June. Istanbul offers 13 hours of daily sunshine with only 6 rain days, while Bucharest sees 13 sunshine hours and 12 rain days.
Istanbul sits in the comfortable travel range at 25°C. Bucharest is also comfortable at 26°C.
For travelers who prioritize dry weather, Istanbul is the stronger choice in June.
Istanbul reaches an average high of 25°C (77°F) and drops to 18°C (64°F) at night during June. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Bucharest averages 26°C (79°F) for the high and 16°C (61°F) for the low, with a daily range of 10°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 June.
Istanbul receives approximately 36 mm of rainfall across 6 rain days during June. Rain is occasional, so a light rain jacket should suffice.
Bucharest sees 89 mm over 12 rain days. That makes Istanbul the drier option by 6 rain days and 53 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 25°C, lows of 18°C, 6 rain days
Highs of 26°C, lows of 16°C, 12 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during June.
The table below shows average high temperatures and rain days for every month. June is highlighted for quick reference.
| Month | Istanbul | Bucharest | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 13d | 3°C | 7d |
| Feb | 9°C | 12d | 6°C | 6d |
| Mar | 11°C | 11d | 11°C | 8d |
| Apr | 15°C | 8d | 17°C | 9d |
| May | 20°C | 6d | 23°C | 11d |
| Jun | 25°C | 6d | 26°C | 12d |
| Jul | 28°C | 4d | 29°C | 10d |
| Aug | 28°C | 3d | 29°C | 7d |
| Sep | 24°C | 7d | 23°C | 7d |
| Oct | 19°C | 9d | 17°C | 7d |
| Nov | 14°C | 10d | 10°C | 7d |
| Dec | 10°C | 13d | 4°C | 7d |
Istanbul Weather in June
Full forecast, packing tips, and activities
Bucharest Weather in June
Full forecast, packing tips, and activities