Weather on August 21 in Istanbul
Historical weather data for August 21 in Istanbul, Turkey
Based on 56 years of data from ISTANBUL
About This Date
August 21st 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 21st was in 2023 (29°C average), while the coldest was 1978 (20°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 21st dates historically, with the wettest August 21st recording 1.34" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for August 21st 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) | 19°C (67°F) | -- |
| 2025 | 32°C (90°F) | 19°C (66°F) | 0 mm |
| 2024 | 30°C (86°F) | 23°C (73°F) | 1 mm |
| 2023 | 36°C (96°F) | 23°C (74°F) | -- |
| 2022 | 32°C (90°F) | 24°C (76°F) | 0 mm |
| 2021 | 29°C (84°F) | 19°C (66°F) | -- |
| 2020 | -- | 21°C (70°F) | -- |
| 2019 | -- | 19°C (67°F) | -- |
| 2018 | -- | 21°C (69°F) | -- |
| 2017 | 31°C (88°F) | -- | -- |
| 2016 | 32°C (90°F) | 25°C (77°F) | 0 mm |
| 2015 | 32°C (89°F) | 24°C (75°F) | 0 mm |
| 2014 | 31°C (88°F) | 22°C (71°F) | 0 mm |
| 2013 | 32°C (90°F) | 18°C (64°F) | 0 mm |
| 2012 | 33°C (91°F) | 18°C (64°F) | 0 mm |
| 2011 | 31°C (87°F) | 16°C (60°F) | 0 mm |
| 2010 | 31°C (87°F) | 22°C (72°F) | -- |
| 2009 | 31°C (87°F) | 18°C (65°F) | 0 mm |
| 2008 | 34°C (93°F) | -- | -- |
| 2007 | 36°C (97°F) | 20°C (68°F) | 0 mm |
| 2006 | 38°C (101°F) | -- | -- |
| 2005 | 29°C (84°F) | -- | -- |
| 2004 | 33°C (92°F) | 18°C (64°F) | 0 mm |
| 2003 | 30°C (86°F) | 19°C (67°F) | -- |
| 2002 | 26°C (78°F) | 19°C (66°F) | 34 mm |
| 2001 | 27°C (81°F) | 19°C (67°F) | 4 mm |
| 2000 | 32°C (90°F) | 22°C (72°F) | -- |
| 1999 | 32°C (90°F) | 23°C (73°F) | -- |
| 1998 | 28°C (83°F) | 20°C (68°F) | -- |
| 1997 | 24°C (76°F) | 17°C (63°F) | -- |
| 1996 | 24°C (76°F) | 18°C (64°F) | 0 mm |
| 1995 | 28°C (83°F) | 22°C (72°F) | -- |
| 1994 | 32°C (89°F) | 18°C (64°F) | -- |
| 1993 | 27°C (81°F) | 19°C (66°F) | -- |
| 1992 | 30°C (86°F) | 22°C (72°F) | -- |
| 1991 | 28°C (82°F) | 20°C (68°F) | -- |
| 1990 | 32°C (89°F) | 21°C (70°F) | -- |
| 1989 | 31°C (88°F) | 21°C (70°F) | -- |
| 1988 | 31°C (87°F) | 19°C (66°F) | -- |
| 1987 | 23°C (73°F) | 17°C (63°F) | -- |
| 1986 | 31°C (88°F) | 20°C (68°F) | -- |
| 1985 | 28°C (83°F) | 19°C (67°F) | -- |
| 1984 | 28°C (82°F) | 18°C (64°F) | 0 mm |
| 1983 | 27°C (81°F) | 19°C (67°F) | -- |
| 1982 | 29°C (84°F) | 19°C (66°F) | -- |
| 1981 | 29°C (85°F) | 21°C (69°F) | -- |
| 1980 | 26°C (78°F) | 16°C (60°F) | -- |
| 1979 | 31°C (88°F) | 20°C (68°F) | -- |
| 1978 | 23°C (73°F) | 17°C (63°F) | -- |
| 1977 | 34°C (94°F) | 21°C (70°F) | -- |
| 1976 | 24°C (76°F) | 17°C (62°F) | -- |
| 1975 | 28°C (82°F) | 21°C (69°F) | -- |
| 1974 | 29°C (84°F) | 21°C (70°F) | -- |
| 1973 | 28°C (83°F) | 17°C (63°F) | -- |
| 1972 | 31°C (88°F) | 22°C (71°F) | -- |
| 1971 | 27°C (81°F) | 18°C (65°F) | -- |