Istanbul · Month comparison

April vs May

April ranks #1 overall vs May at #2. Istanbul at its most beautiful — tulip festival, mild weather, the city in full colour.

Istanbul April — tulip festival with Blue Mosque backdrop

April

#1 of 12 months

Best match

Istanbul at its most beautiful — tulip festival, mild weather, the city in full colour.

  • Emirgan Park tulip festival: millions of tulips across the Bosphorus hillsides — a uniquely Ottoman spectacle
  • 14°C afternoons: walking from Sultanahmet to Karaköy to Beyoğlu all in one day is perfect
Istanbul May — Bosphorus view from Galata Tower in spring

May

#2 of 12 months

Best match

Near-perfect: 20°C, almost no rain, and the city fully alive before summer peaks.

  • 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
FactorAprilMay
Weather score
8
9
Value score
7
6
Crowd score
6
5
Events score
7
6
Atmosphere
9
8
Avg high temp14.8°C20.7°C
Monthly rain60mm30mm
Daily sunshine6.8hrs9hrs

April trade-offs

  • Tourism building: Hagia Sophia and Topkapi requiring advance booking more often
  • Occasional April shower days
  • Ramadan (if in April) means some restaurants closed during daylight hours

May trade-offs

  • 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
Scores compare months within Istanbul. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →