Late summer · Weather & things to do
Istanbul in August
Istanbul's warmest month brings highs averaging 84°F (29°C), lows of 72°F (22°C) and about 0.9 in (22 mm) of rain.
At 92/100 for comfort (5th of 12), it's one of the best months to visit.
- Avg high
- 84°F (29°C)
- Avg low
- 72°F (22°C)
- Rain
- 0.9 in (22 mm)
- Humidity
- 66%
- Cloud cover
- 30%
- Daylight
- ~13 h 38 min
- Comfort score
- 92/100 · Great
What August feels like
Days are warm, averaging 84°F (29°C), easy weather for being outside from morning to evening.
Nights stay warm too, with lows averaging 72°F (22°C).
It's one of the drier stretches, with only about 0.9 in (22 mm) of rain.
Clear skies are common, with cloud cover averaging only 30%.
Plan around August
August is one of Istanbul's best months on the climate data.
- Last dry month before the rain picks up: September brings 2.1 in (54 mm).
- Comfort holds steady from July (92 → 92/100).
- Our Istanbul, Cappadocia & Ephesus route recommends Apr – Jun, Sep – Oct, so August falls outside its suggested window.
What to pack for August
- Light, breathable clotheshighs average 84°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Istanbul in August
August is good outdoor weather here, so these picks lean toward the open air.
Süleymaniye Mosque
Sinan's hilltop masterpiece with Golden Horn views from the garden.
Why now August scores 92/100 for comfort, good conditions for being outside.
Blue Mosque
Sultan Ahmed Mosque, with six minarets and blue İznik tiles inside.
Karaköy Güllüoğlu
Baklava house run by the same family for generations.
Grand Bazaar
Covered market of about 4,000 shops selling carpets, lamps and jewelry.
Bosphorus Ferry
Public ferry cruise up the strait past palaces and wooden mansions.
Why now Highs near 84°F and 0.9 in of monthly rain make this an easy outdoor pick.
Nearby in August
- Selçuk in August~228 mi · highs 102°F, 0.2 in rain · 10°C (18°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Istanbul in August: quick answers
Is August a good time to visit Istanbul?
Yes. On the climate data it's one of the best months, scoring 92/100. Expect highs of 84°F (29°C) and 0.9 in (22 mm) of rain. Our Istanbul, Cappadocia & Ephesus route recommends Apr – Jun, Sep – Oct, so August is outside its suggested window.
How hot is Istanbul in August?
Average highs are 84°F (29°C) and average lows 72°F (22°C), making it the warmest month by daytime highs.
Does it rain a lot in Istanbul in August?
Not much: about 0.9 in (22 mm) of rain falls across August on average, the 2nd-driest month of the year. The annual total is about 24.6 in (624 mm).
What should I pack for Istanbul in August?
Bring light, breathable clothes (highs average 84°F), sunscreen, sunglasses and a hat (strong sun this month) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Istanbul
Planning Istanbul in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.