Istanbul in May
sweet spot busy · 4th of the 12 months that clear the bar
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The numbers
| Daily high | 20°C |
|---|---|
| Nightly low | 13°C |
| Feels like, afternoon | 17°C |
| Rainy days | 6 · 38 mm |
| Humidity | 76% |
| Sunshine | 12.4 h/day |
| Daylight | 14.4 h/day |
| Crowds | 65 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 2 mm.
Public holidays in May
- İşçi Bayramı 1 May 2027
- Kurban Bayramı 1. Gün (Tentative Date) 16 May 2027
- Kurban Bayramı 2. Gün (Tentative Date) 17 May 2027
- Kurban Bayramı 3. Gün (Tentative Date) 18 May 2027
- Atatürk'ü Anma, Gençlik ve Spor Bayramı 19 May 2027
- Kurban Bayramı 4. Gün (Tentative Date) 19 May 2027
Holidays crowd a place out and push fares up around them; they count toward the crowd score above.
What May is known for
- Shoulder season — Milder temperatures and fewer tourists make this a nice time to visit.
Written by a language model from the climate figures; the numbers above are measured and win where the two disagree.
What to pack
- Sun protection: about 12 hours of sunshine a day.
- Humidity averages 76%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
| Cost of living | cheap — prices run about 41% of the United States' (World Bank, 2025) |
|---|---|
| Currency | Turkish lira |
| Languages | Turkish |
| Plugs | Type C and F, 230 V |
| Driving | On the right |
| Emergency | 112, 177 |
| Calling code | +90 |
| Travel advice | avoid all travel to parts — UK Foreign Office, updated 2026-09-21 |
Health. Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Dial 112 and ask for an ambulance. Contact your insurance or medical assistance company promptly if you’re referred to… More.
Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-09-23. The advisory is written for British travellers; entry rules depend on your passport.
The other months at Istanbul
- January ok
- February ok
- March ok
- April good
- May
- June sweet spot
- July sweet spot
- August sweet spot
- September good
- October good
- November ok
- December ok
← April · All twelve months at Istanbul · June →
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