Istanbul in May

Warm; long days; crowds building.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

No other month rates higher than May for Istanbul in this guide.

• IstanbulHighs around 22 °C (72 °F), lows around 13 °C (55 °F), rain on about 7 daysHighs around 72 °F (22 °C), lows around 55 °F (13 °C), rain on about 7 days
• Istanbul and Marmara, Türkiye (Turkey) · Istanbul, Bursa, Edirnebest weather

  Wet, windy winters with occasional snow; humid 30 °C (86 °F) summers; May and September–October are the easy windows.Wet, windy winters with occasional snow; humid 86 °F (30 °C) summers; May and September–October are the easy windows.

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Kurban Bayramı (Eid al-Adha) check

  Islamic calendar, moves yearly · Citywide

  The big national holiday; banks and many shops close and long-distance transport is booked out.

Crowds · Türkiye (Turkey) overall

High

Prices · Türkiye (Turkey) overall

Medium

Türkiye (Turkey) overall: One of the two best months; avoid 15–19 May 2027 (Kurban Bayramı plus 19 May) for travel days — check.

Weather, crowds and prices for any two months in Istanbul, side by side.

Nothing unusual for the weather this month.

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