WanderWhen

Istanbul weather in August

August is one of the best months to visit Istanbul. Expect highs around 29°C, lows near 22°C, and about 2.6 days with rain.

9.1 · Excellenttravel score for August
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
29°C
Avg low
22°C
Rainfall
15 mm
Rain days
2.6
Sunshine
12.6 h/day
Daylight
13.6 h

What to pack for Istanbul in August

  • light, breathable clothing
  • sun protection (hat, SPF 50)

Humidity averages 70%; max daily wind around 25 km/h.

How August compares

January: 2.9/10 JFebruary: 4.7/10 FMarch: 5.5/10 MApril: 8.7/10 AMay: 9.6/10 MJune: 9.9/10 JJuly: 9.1/10 JAugust: 9.1/10 ASeptember: 9.9/10 SOctober: 9.8/10 ONovember: 8.1/10 NDecember: 4.5/10 D

Best months in Istanbul: May–October. See the full best time to visit Istanbul guide.

Istanbul in August: the details

In August, Istanbul sees average daytime highs of 29°C (85°F) and overnight lows of 22°C (72°F). Rainfall totals roughly 15 mm across 2.6 rainy days, and the sun shines about 12.6 hours per day with 13.6 hours of daylight mid-month. Relative humidity averages 70%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Istanbul, Turkey (41.01, 28.95) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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