July weather forecast and climate
Istanbul, Turkey

Ships along the coast of the port city of Istanbul, Turkey, with a background view of the cityscape
Ships along the coast of the port city of Istanbul, Turkey, with a background view of the cityscape
July is the sunniest and driest month in Istanbul as the sun blazes for approximately 355 hours during the month. The high summer registers temperatures in the 20°C (68°F) to 26.7°C (80.1°F) average range.
The skies are clear, and the rainfall is negligible at 33mm (1.3"). The mornings are sultry, and the strong midday sun is a time to avoid the beaches and shores.
A post afternoon breeze often cools down the evenings, which is the perfect time to roam throughout the city. The 15-hour daylight removes any traces of gloominess in the atmosphere.

What is the temperature in July in Istanbul?

In Istanbul, Turkey, in July, the average high-temperature is 26.5°C (79.7°F), and the average low-temperature is 19.5°C (67.1°F).

How much does it rain in Istanbul in July?

In Istanbul, in July, during 4.2 rainfall days, 31.6mm (1.2") of precipitation is typically accumulated.

What is the driest month in Istanbul?

The month with the least rainfall is July when the rain falls for 4.2 days and typically collects 31.6mm (1.2") of precipitation.

What is the water temperature in July in Istanbul?

In July, the average sea temperature in Istanbul, Turkey, is 24.8°C (76.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

What is the average length of the day in July in Istanbul?

In July, the average length of the day in Istanbul, Turkey, is 14.8h.

What month has the most sunshine in Istanbul?

July has the most sunshine of the year in Istanbul, with an average of 10.4h of sunshine.

How many hours of sunshine does Istanbul have in July?

In Istanbul, the average sunshine in July is 10.4h.

What is the month with the highest UV index in Istanbul?

The month with the highest UV index in Istanbul is July, with an average UV index of 9.

How high is the UV index in July in Istanbul?

The average UV index in July in Istanbul is 9.
Average temperature in July - Istanbul, Turkey
  • Average high temperature in July: 26.5°C

The warmest month (with the highest average high temperature) is August (26.7°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in July: 19.5°C

The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).

Average rainfall in July - Istanbul, Turkey
  • Average rainfall in July: 31.6mm

The wettest month (with the highest rainfall) is December (122.6mm).
The driest month (with the lowest rainfall) is July (31.6mm).

Average rainfall days in July - Istanbul, Turkey
  • Average rainfall days in July: 4.2 days

The month with the highest number of rainy days is January (17.5 days).
The month with the lowest number of rainy days is July (4.2 days).

Average snowfall days in July - Istanbul, Turkey
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.9 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in July - Istanbul, Turkey
  • Average sea temperature in July: 24.8°C

The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (7.8°C).

Average daylight in July / Average sunshine in July - Istanbul, Turkey
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.4h

The month with most sunshine is July (Average sunshine: 10.4h).
The month with least sunshine is December (Average sunshine: 2.2h).

Average UV index in July - Istanbul, Turkey
  • Average UV index in July: 9

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 1).

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