Weather in Istanbul in August
In an average August, Istanbul sees a daily high around 27°C and a low around 22°C, based on 1980–2026 of local climate records.
| Average high | 27°C |
|---|---|
| Typical high range | 24°C to 29°C |
| Average low | 22°C |
| Typical low range | 20°C to 24°C |
| Average daily precipitation | 0 mm |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
34°C
2021-08-05
Lowest
20°C
1999-08-27
Low
Highest
26°C
2010-08-15
Lowest
16°C
1981-08-29
Feels-like
Highest
44°C
2010-08-17
Lowest
17°C
1999-08-27
Humidity
Highest
22.3 g/m³
2010-08-09
Lowest
9.6 g/m³
1981-08-30
Wind
Highest
42 km/h
2025-08-15
Lowest
7 km/h
1994-08-11
Gust
Highest
66 km/h
2025-08-15
Lowest
15 km/h
1997-08-29
Precip
Wettest
150 mm
1997
Driest
2 mm
2003
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