Istanbul Weather Statistics
Don't forget to check WhereWeather Website for weather statistics on your exact travel dates, for any city in the world. You can also compare different cities and dates side-by-side.
Temperature Overview
- Average Daytime Temperature: 18°C (64°F)
- Average Nighttime Temperature: 11°C (52°F)
Rainfall Statistics
- Annual average daily rainfall: 2.2 mm (0.09 inches) per day
- Rainiest month: December with around 3.8 mm (0.15 inches) per day
- Driest month: July with around 0.9 mm (0.04 inches) per day
- Average number of rainy days per year: 121 days
Monthly Weather Conditions
Seasonal Breakdown
January-March
- Highs: 9-12°C (48-54°F)
- Lows: 3-5°C (37-41°F)
- Rainy Days: 10-12 days per month
- Average Precipitation: 2.7 mm/day
April-June
- Highs: 17-26°C (63-79°F)
- Lows: 8-17°C (46-63°F)
- Rainy Days: 5-8 days per month
- Average Precipitation: 1.4 mm/day
July-September
- Highs: 25-29°C (77-84°F)
- Lows: 16-20°C (61-68°F)
- Rainy Days: 4-6 days per month
- Average Precipitation: 1.2 mm/day
October-December
- Highs: 11-20°C (52-68°F)
- Lows: 5-12°C (41-54°F)
- Rainy Days: 9-13 days per month
- Average Precipitation: 3.3 mm/day
Best Time to Visit
The best time to visit Istanbul is from April to May or September to October, when temperatures are pleasant and crowds are smaller. Spring brings beautiful tulip displays throughout the city, while autumn offers comfortable weather for exploring outdoor attractions.
Summer (June-August) is warm and relatively dry, perfect for visiting the Bosphorus, enjoying rooftop restaurants, and exploring the city's numerous outdoor historical sites.
Autumn (September-November) offers mild temperatures and beautiful colors, ideal for visiting Topkapi Palace, exploring the Grand Bazaar, and enjoying Turkish coffee in historic cafes.
Winter (December-March) is cool and rainy, but perfect for visiting museums, enjoying Turkish hammams, and experiencing the city's cozy tea houses and indoor markets.
Before you go ahead and plan your next visit, make sure to check the weather forecast for your exact travel dates on WhereWeather Website. You can also compare different cities and dates side-by-side.