Istanbul · Turkey
May
Near-perfect: 20°C, almost no rain, and the city fully alive before summer peaks.
Best match
#2 of 12 months
May is one of the best times to visit Istanbul.
Climate
High
20.7°C
Low
13.5°C
Rain
30mm
Sun
9hrs/day
30-year climate normals · Open Meteo ERA5
How May scores in Istanbul
Weather
Outstanding
Value
Good
Crowds
Above average
Events
Good
Atmosphere
Excellent
What you gain in May
- ↑20°C and only 30mm of rain: the most reliable outdoor weather of the year
- ↑Istanbul Music Festival brings world-class performances to historic venues
- ↑Rooftop restaurants and Bosphorus terraces in perfect conditions
What you sacrifice
- ↓Prices rising: accommodation 20–30% above winter levels
- ↓Tourism building: advance booking needed for popular hammams and restaurants
- ↓Cruise ship season starting — some areas of Sultanahmet noticeably busy
How May compares to April (best month)
| Factor | May | April ★ |
|---|---|---|
| Weather | 9 | 8 |
| Value | 6 | 7 |
| Crowds | 5 | 6 |
May in other destinations
Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Istanbul, not across destinations. Methodology →