Istanbul August — summer heat over the Golden Horn

Istanbul · Turkey

August

Same as July in conditions — maximum everything.

Worth considering

#12 of 12 months

There are better months for Istanbul — see the full ranking below.

See when to go instead →

Climate

High

28°C

Low

20.5°C

Rain

21mm

Sun

11hrs/day

30-year climate normals · Open Meteo ERA5

How August scores in Istanbul

Weather
Very good
Value
Average
Crowds
Below average
Events
Average
Atmosphere
Good

What you gain in August

  • Still the driest and sunniest period of the year
  • Evening Bosphorus cruise: golden light on the Asian shore

What you sacrifice

  • Tourist numbers at absolute peak
  • 28°C+ midday heat combined with crowds makes Sultanahmet genuinely uncomfortable
  • Some local restaurants close for staff holidays

How August compares to April (best month)

FactorAugustApril
Weather
7
8
Value
4
7
Crowds
3
6

August in other destinations

Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Istanbul, not across destinations. Methodology →