Weather on June 21 in Istanbul
Historical weather data for June 21 in Istanbul, Turkey
Based on 56 years of data from ISTANBUL
About This Date
June 21st in Istanbul, Turkey typically brings warm summer weather, with average highs around 27°C and lows near 18°C. Over 56 years of records, the warmest June 21st was in 2016 (28°C average), while the coldest was 2000 (17°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 13% of June 21st dates historically, with the wettest June 21st recording 1.3" of rain. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Istanbul? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 28°C (83°F) | 17°C (63°F) | -- |
| 2025 | 28°C (82°F) | -- | 0 mm |
| 2024 | 33°C (92°F) | 23°C (74°F) | 0 mm |
| 2023 | 28°C (83°F) | 19°C (66°F) | 0 mm |
| 2022 | 24°C (76°F) | 19°C (67°F) | 0 mm |
| 2021 | 27°C (80°F) | 19°C (67°F) | 0 mm |
| 2020 | -- | 17°C (62°F) | 0 mm |
| 2019 | -- | 21°C (69°F) | 1 mm |
| 2018 | -- | 22°C (71°F) | -- |
| 2017 | 27°C (80°F) | 18°C (64°F) | 0 mm |
| 2016 | 34°C (93°F) | 23°C (73°F) | 0 mm |
| 2015 | 29°C (85°F) | 17°C (63°F) | 0 mm |
| 2014 | 28°C (82°F) | 17°C (63°F) | 0 mm |
| 2013 | -- | 16°C (61°F) | 0 mm |
| 2012 | 32°C (90°F) | 16°C (61°F) | 0 mm |
| 2011 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 2010 | 34°C (93°F) | 19°C (66°F) | 0 mm |
| 2009 | 31°C (88°F) | 16°C (61°F) | 0 mm |
| 2008 | 29°C (85°F) | 19°C (66°F) | 0 mm |
| 2007 | 33°C (91°F) | 18°C (64°F) | 0 mm |
| 2006 | 30°C (86°F) | 17°C (63°F) | 0 mm |
| 2005 | 27°C (80°F) | 15°C (59°F) | 0 mm |
| 2004 | 31°C (87°F) | 17°C (62°F) | 0 mm |
| 2003 | 26°C (78°F) | 16°C (61°F) | -- |
| 2002 | 29°C (85°F) | 17°C (63°F) | -- |
| 2001 | 24°C (75°F) | 18°C (64°F) | 5 mm |
| 2000 | 22°C (71°F) | 12°C (54°F) | -- |
| 1999 | 29°C (84°F) | 20°C (68°F) | -- |
| 1998 | 23°C (73°F) | 16°C (61°F) | -- |
| 1997 | 29°C (85°F) | 22°C (72°F) | -- |
| 1996 | 28°C (82°F) | 15°C (59°F) | -- |
| 1995 | 27°C (80°F) | 19°C (66°F) | 0 mm |
| 1994 | 31°C (88°F) | 20°C (68°F) | -- |
| 1993 | 31°C (88°F) | 17°C (62°F) | -- |
| 1992 | 24°C (76°F) | 19°C (67°F) | -- |
| 1991 | 28°C (82°F) | 18°C (64°F) | -- |
| 1990 | 28°C (83°F) | 17°C (62°F) | -- |
| 1989 | 26°C (78°F) | 15°C (59°F) | -- |
| 1988 | 22°C (72°F) | 15°C (59°F) | -- |
| 1987 | 27°C (80°F) | 17°C (62°F) | -- |
| 1986 | 26°C (78°F) | 16°C (60°F) | -- |
| 1985 | 29°C (85°F) | 15°C (59°F) | -- |
| 1984 | 24°C (76°F) | 16°C (60°F) | -- |
| 1983 | 26°C (78°F) | 17°C (63°F) | -- |
| 1982 | 28°C (82°F) | 19°C (66°F) | 5 mm |
| 1981 | 22°C (72°F) | 18°C (65°F) | 0 mm |
| 1980 | 25°C (77°F) | 16°C (60°F) | -- |
| 1979 | 31°C (87°F) | 19°C (67°F) | -- |
| 1978 | 27°C (80°F) | 14°C (58°F) | -- |
| 1977 | 28°C (83°F) | 18°C (65°F) | 13 mm |
| 1976 | 26°C (78°F) | 15°C (59°F) | -- |
| 1975 | 26°C (78°F) | 19°C (67°F) | -- |
| 1974 | 23°C (74°F) | 16°C (61°F) | 15 mm |
| 1973 | 23°C (74°F) | 13°C (56°F) | 33 mm |
| 1972 | 21°C (70°F) | 18°C (64°F) | 8 mm |
| 1971 | 23°C (74°F) | 14°C (58°F) | 0 mm |