Weather on August 18 in Istanbul
Historical weather data for August 18 in Istanbul, Turkey
Based on 56 years of data from ISTANBUL
About This Date
August 18th in Istanbul, Turkey typically brings warm summer weather, with average highs around 30°C and lows near 20°C. Over 56 years of records, the warmest August 18th was in 2008 (29°C average), while the coldest was 1987 (19°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 14% of August 18th dates historically, with the wettest August 18th recording 0.63" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Istanbul? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 33°C (92°F) | 18°C (64°F) | -- |
| 2025 | 29°C (85°F) | 22°C (71°F) | 1 mm |
| 2024 | 32°C (89°F) | 21°C (70°F) | 0 mm |
| 2023 | 33°C (91°F) | 24°C (76°F) | -- |
| 2022 | 33°C (91°F) | 24°C (75°F) | 0 mm |
| 2021 | 32°C (90°F) | 22°C (72°F) | -- |
| 2020 | -- | 20°C (68°F) | -- |
| 2019 | -- | 17°C (63°F) | -- |
| 2018 | -- | 23°C (73°F) | 0 mm |
| 2017 | -- | 22°C (72°F) | 1 mm |
| 2016 | 33°C (92°F) | 21°C (70°F) | 0 mm |
| 2015 | 32°C (89°F) | 23°C (74°F) | 1 mm |
| 2014 | -- | 21°C (70°F) | 2 mm |
| 2013 | 31°C (87°F) | 21°C (69°F) | 0 mm |
| 2012 | 29°C (85°F) | -- | 0 mm |
| 2011 | 30°C (86°F) | 19°C (66°F) | 0 mm |
| 2010 | 34°C (94°F) | 21°C (70°F) | 0 mm |
| 2009 | 32°C (90°F) | 18°C (64°F) | 0 mm |
| 2008 | 39°C (103°F) | 19°C (67°F) | 0 mm |
| 2007 | 33°C (92°F) | 19°C (66°F) | 0 mm |
| 2006 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 2005 | 31°C (87°F) | -- | -- |
| 2004 | 27°C (80°F) | 17°C (63°F) | 0 mm |
| 2003 | 31°C (87°F) | 22°C (72°F) | -- |
| 2002 | 25°C (77°F) | 19°C (67°F) | 0 mm |
| 2001 | 31°C (87°F) | 22°C (72°F) | -- |
| 2000 | 29°C (85°F) | 21°C (70°F) | -- |
| 1999 | 32°C (89°F) | 22°C (71°F) | -- |
| 1998 | 28°C (82°F) | 18°C (65°F) | -- |
| 1997 | 24°C (76°F) | 19°C (67°F) | 2 mm |
| 1996 | 28°C (82°F) | 22°C (71°F) | -- |
| 1995 | 28°C (83°F) | 22°C (71°F) | -- |
| 1994 | 29°C (85°F) | 19°C (66°F) | -- |
| 1993 | 28°C (82°F) | 21°C (69°F) | -- |
| 1992 | 29°C (84°F) | 22°C (71°F) | -- |
| 1991 | 28°C (83°F) | 21°C (69°F) | -- |
| 1990 | 30°C (86°F) | 21°C (70°F) | -- |
| 1989 | 29°C (84°F) | 22°C (72°F) | -- |
| 1988 | 30°C (86°F) | 19°C (67°F) | -- |
| 1987 | 24°C (76°F) | 14°C (57°F) | 16 mm |
| 1986 | 28°C (83°F) | 18°C (64°F) | -- |
| 1985 | 28°C (82°F) | 21°C (70°F) | 0 mm |
| 1984 | 27°C (81°F) | 18°C (64°F) | -- |
| 1983 | 25°C (77°F) | 16°C (61°F) | -- |
| 1982 | 28°C (82°F) | 18°C (64°F) | -- |
| 1981 | 28°C (82°F) | 21°C (69°F) | -- |
| 1980 | 29°C (84°F) | 19°C (67°F) | -- |
| 1979 | 31°C (88°F) | 18°C (64°F) | 5 mm |
| 1978 | 28°C (82°F) | 18°C (64°F) | -- |
| 1977 | 27°C (80°F) | 16°C (61°F) | -- |
| 1976 | 28°C (83°F) | 18°C (64°F) | -- |
| 1975 | 29°C (84°F) | 17°C (62°F) | -- |
| 1974 | 28°C (83°F) | 17°C (63°F) | -- |
| 1973 | 28°C (83°F) | 17°C (62°F) | -- |
| 1972 | 33°C (91°F) | 20°C (68°F) | -- |
| 1971 | 30°C (86°F) | 22°C (71°F) | -- |