Sea Temperature in Istanbul in July

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Complete information on the sea temperature range in the Sea of Marmara in Istanbul in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Istanbul. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Istanbul Climate and Swimming Opportunities in July

Istanbul lies within the Istanbul Province in Turkey. The average daytime temperature in Istanbul in July is 29°C (83°F), while the nighttime average is 20°C (68°F). There are typically four rainy days during the month, with a total precipitation of 26 mm (1.0 inches). The daylight duration in July in Istanbul is 15 hours, with an average of 12 hours of sunshine per day. The average wind speed in July is 10 km/h (6 mph), and the humidity level is around 73%.

The water temperature in Istanbul in July ranges from 23°C to 26°C (73°F to 79°F). At the beginning of the month, the average temperature is around 24°C (75°F), shifting to 24°C (75°F) by mid-July and reaching 26°C (79°F) in the last ten days. Overall, the average sea temperature in Istanbul for July is 25°C (77°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in July in Istanbul