Weather on May 18 in Istanbul
Historical weather data for May 18 in Istanbul, Turkey
Avg High22°C (72°F)
Avg Low13°C (55°F)
Warmest200924°C
Coldest199212°C
Based on 56 years of data from ISTANBUL
About This Date
May 18th in Istanbul, Turkey typically brings pleasant spring weather, with average highs around 22°C and lows near 13°C. Over 56 years of records, the warmest May 18th was in 2009 (24°C average), while the coldest was 1992 (12°C) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 32% of May 18th dates historically, with the wettest May 18th recording 1.11" of rain.
Planning for May 18th in Istanbul? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 23°C (73°F) | 11°C (52°F) | -- |
| 2025 | 19°C (66°F) | 13°C (55°F) | 28 mm |
| 2024 | 26°C (78°F) | 14°C (58°F) | 0 mm |
| 2023 | 16°C (61°F) | -- | 11 mm |
| 2022 | 23°C (74°F) | -- | 9 mm |
| 2021 | 24°C (75°F) | -- | 0 mm |
| 2020 | -- | 18°C (64°F) | -- |
| 2019 | -- | 15°C (59°F) | -- |
| 2018 | -- | 19°C (67°F) | 1 mm |
| 2017 | 21°C (70°F) | -- | 1 mm |
| 2016 | 22°C (71°F) | 13°C (55°F) | 0 mm |
| 2015 | 28°C (83°F) | 17°C (62°F) | 0 mm |
| 2014 | 22°C (72°F) | 14°C (57°F) | 0 mm |
| 2013 | 29°C (85°F) | 15°C (59°F) | 1 mm |
| 2012 | 23°C (73°F) | -- | 2 mm |
| 2011 | 21°C (69°F) | 12°C (53°F) | 5 mm |
| 2010 | 21°C (69°F) | -- | 2 mm |
| 2009 | 31°C (88°F) | 17°C (62°F) | 1 mm |
| 2008 | 28°C (83°F) | 11°C (51°F) | 0 mm |
| 2007 | 28°C (83°F) | -- | 4 mm |
| 2006 | 24°C (76°F) | 9°C (48°F) | 0 mm |
| 2005 | 28°C (82°F) | 10°C (50°F) | 0 mm |
| 2004 | 19°C (67°F) | 12°C (53°F) | 2 mm |
| 2003 | 21°C (69°F) | 16°C (60°F) | -- |
| 2002 | 22°C (71°F) | 12°C (53°F) | -- |
| 2001 | 25°C (77°F) | 13°C (55°F) | -- |
| 2000 | 22°C (71°F) | 14°C (57°F) | -- |
| 1999 | 22°C (72°F) | 11°C (51°F) | -- |
| 1998 | 21°C (69°F) | 13°C (56°F) | 3 mm |
| 1997 | 25°C (77°F) | 10°C (50°F) | -- |
| 1996 | 23°C (73°F) | 14°C (58°F) | -- |
| 1995 | 21°C (69°F) | 10°C (50°F) | -- |
| 1994 | 28°C (82°F) | 16°C (61°F) | -- |
| 1993 | 22°C (71°F) | 13°C (56°F) | -- |
| 1992 | 17°C (62°F) | 7°C (44°F) | 2 mm |
| 1991 | 18°C (64°F) | 14°C (57°F) | -- |
| 1990 | 20°C (68°F) | 12°C (53°F) | -- |
| 1989 | 21°C (69°F) | 13°C (55°F) | -- |
| 1988 | 23°C (74°F) | 13°C (55°F) | -- |
| 1987 | 25°C (77°F) | 13°C (56°F) | -- |
| 1986 | 19°C (66°F) | 12°C (54°F) | -- |
| 1985 | 24°C (76°F) | 17°C (63°F) | 3 mm |
| 1984 | 27°C (80°F) | 15°C (59°F) | -- |
| 1983 | 23°C (74°F) | 14°C (58°F) | 1 mm |
| 1982 | 13°C (55°F) | 11°C (52°F) | 10 mm |
| 1981 | 19°C (67°F) | 11°C (51°F) | -- |
| 1980 | 22°C (71°F) | 13°C (55°F) | -- |
| 1979 | 21°C (69°F) | 12°C (54°F) | -- |
| 1978 | 23°C (73°F) | 10°C (50°F) | -- |
| 1977 | 26°C (78°F) | 14°C (57°F) | -- |
| 1976 | 19°C (67°F) | 12°C (53°F) | -- |
| 1975 | 20°C (68°F) | 12°C (53°F) | -- |
| 1974 | 23°C (73°F) | 10°C (50°F) | 0 mm |
| 1973 | 17°C (63°F) | 11°C (51°F) | 1 mm |
| 1972 | 21°C (70°F) | 11°C (52°F) | -- |
| 1971 | 21°C (69°F) | 13°C (56°F) | -- |