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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Istanbul has a temperate climate with warm summers and cool, wet winters, and the live forecast above shows today’s conditions. Expect daytime highs near 28°C in July and lows around 5°C in January, with rain spread throughout the year.
How does Istanbul weather vary by month?
Summer months bring hot, humid air from the Sea of Marmara, with average highs of 28–30°C. Winters are cooler, often dropping to 5–8°C, and rain is frequent; snow falls a few times each year, usually in January or February. Transitional months see mild temperatures and moderate rainfall. For a detailed look at monthly averages—including istanbul weather in January and July—check the facts below.
What is the best time for a trip?
Late spring (May–June) and early autumn (September–October) offer pleasant weather with fewer crowds. If you’re checking istanbul weather 15 days or weather in istanbul 10 days through the live forecast, note that summer heat can be intense, while winter brings drizzle and occasional storms.
Does it snow in Istanbul?
Yes, snow falls most winters, typically 1–3 days. The heaviest accumulations occur in January and February, but snow rarely stays on the ground for more than a day or two.
What is the warmest month?
August is usually the hottest, with average highs near 29°C and high humidity. istanbul weather celsius readings can exceed 35°C during heatwaves, though the sea breeze often provides relief.
Is it safe to use Fahrenheit for Istanbul?
Canadian readers are used to Celsius, but if you’re checking istanbul weather fahrenheit elsewhere, 28°C equals about 82°F. We recommend using Celsius for local consistency.
For comparisons with Canadian cities, visit our Canada weather hub or check Vancouver weather. For longer-range planning, see istanbul weather 14 days or weather istanbul 30 days in the live forecast above.