Turkey · Middle East
What to Wear in Istanbul
Month-by-month temperatures, rainfall, and clothing recommendations for Istanbul, Turkey. Find out what to pack for every season.
Warmest month
July
29°C / 84°F
Coolest month
January
9°C / 48°F
Wettest month
December
83 mm
Best months
May, June, July
Monthly climate & clothing guide
| Month | High | Low | Rain | Humidity | Climate |
|---|---|---|---|---|---|
| January | 9°C / 48°F | 3°C / 37°F | 69 mm | high | Cold |
| February | 9°C / 48°F | 3°C / 37°F | 65 mm | high | Cold |
| March | 12°C / 54°F | 5°C / 41°F | 58 mm | moderate | Cool |
| April | 17°C / 63°F | 9°C / 48°F | 46 mm | moderate | Cool |
| May | 22°C / 72°F | 13°C / 55°F | 35 mm | moderate | Mild |
| June | 27°C / 81°F | 18°C / 64°F | 35 mm | moderate | Warm |
| July | 29°C / 84°F | 20°C / 68°F | 34 mm | moderate | Warm |
| August | 29°C / 84°F | 21°C / 70°F | 37 mm | moderate | Warm |
| September | 26°C / 79°F | 17°C / 63°F | 42 mm | moderate | Warm |
| October | 20°C / 68°F | 13°C / 55°F | 67 mm | moderate | Mild |
| November | 15°C / 59°F | 9°C / 48°F | 73 mm | high | Cool |
| December | 11°C / 52°F | 5°C / 41°F | 83 mm | high | Cool |
Seasonal clothing guide for Istanbul
Winter (Dec-Feb)
ColdAverage highs 10°C (50°F), lows 4°C (39°F). Total seasonal rainfall: 217 mm.
Full winter layering required. Multiple insulating layers, a weatherproof outer shell, and warm accessories are essential for comfort.
Spring (Mar-May)
CoolAverage highs 17°C (63°F), lows 9°C (48°F). Total seasonal rainfall: 139 mm.
Jacket weather. A proper 3-layer system with insulation keeps you comfortable during full days outdoors. Mornings and evenings need extra warmth.
Summer (Jun-Aug)
WarmAverage highs 28°C (82°F), lows 20°C (68°F). Total seasonal rainfall: 106 mm.
Comfortable temperatures with minimal layering needed. Focus on versatile pieces that work day and evening.
Fall (Sep-Nov)
MildAverage highs 20°C (68°F), lows 13°C (55°F). Total seasonal rainfall: 182 mm.
Spring and fall conditions — comfortable but changeable. A light layering system handles temperature swings between morning, midday, and evening.
FAQ
What should I wear when visiting Istanbul?
What to wear in Istanbul depends on the month. The warmest month is July (avg high 29°C / 84°F) and the coldest is January (avg high 9°C / 48°F). Check the month-by-month table above for specific clothing recommendations.
What is the best time to visit Istanbul?
For comfortable weather and easy packing, the best months to visit Istanbul are May, June, July, August, September, October. These months have mild to warm temperatures with manageable rainfall.
Does it rain a lot in Istanbul?
The wettest month in Istanbul is December with an average of 83 mm of rainfall. A packable rain jacket is recommended.
Do I need warm clothes for Istanbul?
Yes. Istanbul's coldest month is January with average highs of 9°C (48°F). You will need a proper layering system with insulation if visiting during the cooler months.
Ready to pack for Istanbul?
Use our interactive tool to compare climates and get layering advice.
Open Climate Calendar