Istanbul, Climate and Monthly Weather Forecast

This content was last updated on 12.02.2024 00:04

Istanbul is one of the most unique cities in the world. Nowhere else in the world can a single city unite two continents. Half-European, half-Asian, Turkish metropolis with a population of approximately 15 million, Istanbul, at the narrowest point of the Sea of Marmara, meets the salty waters of the Black Sea and the waves of the Mediterranean with plenty of oxygen.

Istanbul is one of the most popular travel destinations in Turkey. Planning a trip to Istanbul? You may be wondering when is the best time to travel to Istanbul. In the light of the information in our article, you can decide whether it is suitable for travel according to general weather conditions, minimum and maximum temperature, sunny hours, rainy days and precipitation.

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Best Travel Time for Istanbul

Istanbul has a warm and temperate climate. In winter, there is much more rainfall in Istanbul than in summer. The annual average temperature of Istanbul is 14.9 °C. Due to its location between the Black Sea and the Marmara Sea, Istanbul has a temperate and humid climate. In winter, temperatures in Istanbul drop to single digits. Cold weather is also possible and may even bring snowfall. However, the average temperature in winter is around 8 degrees during the day. After the winter, a rapid increase in temperature follows with the Spring season. In early May, the average maximum temperature rises above 20 degrees. It heats up just over 28 degrees in the summer.

The temperature of the waters in and around Istanbul remains constantly low in winter, but quickly rises to 20 degrees, like the air temperature in spring. In summer, the maximum water temperature of 23 degrees ensures pleasant cooling, especially during hot periods.

  • Hottest Month: August
  • Sunniest Month: July
  • Rainiest Month: December
  • Month with the Warmest Water Temperature: August

Temperature Values by Month in Istanbul

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly
Average Temperature (°C) 5.7 5.8 7.4 11.6 16.5 21.1 23.8 23.9 20.4 16.0 11.9 8.1 14.3
Average Maximum Temperature (°C) 8.5 9.1 11.3 16.2 21.2 25.9 28.8 28.8 25.2 20.1 15.3 10.9 18.4
Average Lowest Temperature (°C) 3.1 3.2 4.4 7.9 12.5 16.6 19.3 19.6 16.3 12.7 9.0 5.5 10.8
Average Number of Rainy Days 14.71 13.12 12.18 8.41 7.76 7.53 3.65 3.00 6.18 10.18 10.65 13.29 110.7
Highest Temperature (°C) 20.5 21.0 26.0 30.5 33.5 36.2 37.4 38.6 39.5 32.3 26.4 23.1 39.5
Lowest Temperature (°C) -12.6 -10.0 -9.6 -1.4 1.4 8.4 11.0 11.4 6.7 1.8 -4.6 -11.5 -12.6

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