Weather on May 21 in Istanbul
Historical weather data for May 21 in Istanbul, Turkey
Avg High23°C (74°F)
Avg Low13°C (56°F)
Warmest200825°C
Coldest199114°C
Based on 56 years of data from ISTANBUL
About This Date
May 21st in Istanbul, Turkey typically brings pleasant spring weather, with average highs around 23°C and lows near 13°C. Over 56 years of records, the warmest May 21st was in 2008 (25°C average), while the coldest was 1991 (14°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 13% of May 21st dates historically, with the wettest May 21st recording 0.79" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 21st in Istanbul? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 19°C (66°F) | 16°C (61°F) | -- |
| 2025 | 27°C (80°F) | 14°C (57°F) | 0 mm |
| 2024 | 24°C (76°F) | 15°C (59°F) | 0 mm |
| 2023 | 22°C (72°F) | 14°C (57°F) | 0 mm |
| 2022 | 21°C (70°F) | 12°C (54°F) | 0 mm |
| 2021 | 18°C (64°F) | -- | -- |
| 2020 | 21°C (70°F) | -- | 0 mm |
| 2019 | -- | 18°C (65°F) | -- |
| 2018 | -- | 17°C (62°F) | 0 mm |
| 2017 | 17°C (63°F) | -- | 0 mm |
| 2016 | 26°C (78°F) | -- | 0 mm |
| 2015 | 22°C (72°F) | 17°C (62°F) | 0 mm |
| 2014 | 26°C (78°F) | 14°C (58°F) | 0 mm |
| 2013 | 31°C (87°F) | 14°C (57°F) | 0 mm |
| 2012 | 24°C (75°F) | 12°C (54°F) | 0 mm |
| 2011 | 24°C (75°F) | 11°C (52°F) | 0 mm |
| 2010 | 21°C (70°F) | 9°C (49°F) | 1 mm |
| 2009 | 22°C (72°F) | 13°C (56°F) | 0 mm |
| 2008 | 34°C (93°F) | 16°C (61°F) | 1 mm |
| 2007 | 26°C (78°F) | 16°C (60°F) | 5 mm |
| 2006 | 32°C (90°F) | 13°C (55°F) | 0 mm |
| 2005 | 19°C (66°F) | 15°C (59°F) | 0 mm |
| 2004 | 28°C (82°F) | 9°C (49°F) | 0 mm |
| 2003 | 24°C (76°F) | 13°C (55°F) | -- |
| 2002 | 21°C (70°F) | 16°C (60°F) | 4 mm |
| 2001 | 23°C (73°F) | 12°C (53°F) | -- |
| 2000 | 28°C (82°F) | 15°C (59°F) | -- |
| 1999 | 26°C (78°F) | 12°C (54°F) | -- |
| 1998 | 16°C (61°F) | 13°C (56°F) | 20 mm |
| 1997 | 26°C (79°F) | 14°C (58°F) | -- |
| 1996 | 28°C (83°F) | 17°C (63°F) | -- |
| 1995 | 26°C (78°F) | 14°C (58°F) | -- |
| 1994 | 24°C (76°F) | 15°C (59°F) | -- |
| 1993 | 21°C (69°F) | 13°C (56°F) | 3 mm |
| 1992 | 20°C (68°F) | 12°C (53°F) | -- |
| 1991 | 16°C (61°F) | 12°C (54°F) | -- |
| 1990 | 18°C (65°F) | 12°C (53°F) | 4 mm |
| 1989 | 28°C (83°F) | 17°C (63°F) | -- |
| 1988 | 22°C (71°F) | 14°C (58°F) | -- |
| 1987 | 28°C (83°F) | 13°C (56°F) | -- |
| 1986 | 19°C (66°F) | 14°C (58°F) | -- |
| 1985 | 26°C (78°F) | 13°C (55°F) | -- |
| 1984 | 30°C (86°F) | 16°C (61°F) | 0 mm |
| 1983 | 24°C (75°F) | 14°C (57°F) | -- |
| 1982 | 22°C (72°F) | 11°C (51°F) | -- |
| 1981 | 21°C (69°F) | 9°C (48°F) | -- |
| 1980 | 21°C (69°F) | 13°C (55°F) | 0 mm |
| 1979 | 21°C (69°F) | 12°C (54°F) | -- |
| 1978 | 21°C (69°F) | 9°C (48°F) | -- |
| 1977 | 23°C (74°F) | 13°C (55°F) | -- |
| 1976 | 24°C (76°F) | 11°C (51°F) | -- |
| 1975 | 21°C (69°F) | 13°C (55°F) | -- |
| 1974 | 22°C (71°F) | 12°C (54°F) | -- |
| 1973 | 28°C (82°F) | 14°C (57°F) | -- |
| 1972 | 26°C (79°F) | 13°C (55°F) | -- |
| 1971 | 25°C (77°F) | 12°C (54°F) | -- |