June 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
June is the beginning of the warm and dry summer season in Istanbul with the longest days of the year. The average temperatures are in the range of 16.7°C (62.1°F) to 24.4°C (75.9°F) with a few days touching 26.7°C (80.1°F).
The brilliant sunshine lasts for a daily 10.5 hours as the daylight extends to 15 hours. The skies are mostly clear as the sun chases the clouds. The rainfall is to the tune of 35.6mm (1.4"), but thunderstorms are common.
The beaches and shorelines see a surge in activity as the sea temperatures rise to a warm 21.1°C (70°F) in June.

What is the average temperature in June in Istanbul?

The average high-temperature, in June, is 24.5°C (76.1°F), while the average low-temperature is 16.5°C (61.7°F).
Average temperature in June - Istanbul, Turkey
  • Average high temperature in June: 24.5°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 June: 16.5°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 June - Istanbul, Turkey
  • Average rainfall in June: 34mm

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 June - Istanbul, Turkey
  • Average rainfall days in June: 6 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 June - Istanbul, Turkey
  • Average snowfall days in June: 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 June - Istanbul, Turkey
  • Average sea temperature in June: 21.3°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 June / Average sunshine in June - Istanbul, Turkey
  • Average daylight in June: 15.1h

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 June: 10h

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 June - Istanbul, Turkey
  • Average UV index in June: 8

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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