Weather on December 18 in Istanbul
Historical weather data for December 18 in Istanbul, Turkey
Avg High11°C (52°F)
Avg Low4°C (40°F)
Warmest198215°C
Coldest1997-1°C
Based on 53 years of data from ISTANBUL
About This Date
December 18th in Istanbul, Turkey typically brings cool winter weather, with average highs around 11°C and lows near 4°C. Over 53 years of records, the warmest December 18th was in 1982 (15°C average), while the coldest was 1997 (-1°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 18th dates historically, with the wettest December 18th recording 5.9" of rain.
Planning for December 18th in Istanbul? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 15°C (59°F) | 2°C (35°F) | 0" |
| 2024 | 13°C (56°F) | -- | 0" |
| 2023 | 11°C (52°F) | 3°C (37°F) | 0" |
| 2022 | 14°C (57°F) | -- | 0" |
| 2021 | 7°C (44°F) | -- | 0.86" |
| 2020 | 12°C (53°F) | -- | 0" |
| 2019 | -- | 7°C (45°F) | -- |
| 2018 | 12°C (54°F) | -- | 0.43" |
| 2017 | 12°C (53°F) | -- | 0.3" |
| 2016 | 9°C (49°F) | -1°C (31°F) | 0" |
| 2015 | 11°C (52°F) | -- | 0.18" |
| 2013 | 10°C (50°F) | -1°C (30°F) | 0" |
| 2012 | 10°C (50°F) | 7°C (45°F) | 0.05" |
| 2010 | -- | 0°C (32°F) | 0.1" |
| 2009 | 14°C (57°F) | 4°C (39°F) | 0.15" |
| 2008 | -- | 7°C (45°F) | 0.03" |
| 2007 | 7°C (45°F) | 3°C (37°F) | 0" |
| 2006 | 16°C (60°F) | 1°C (34°F) | 0" |
| 2005 | 19°C (67°F) | -- | 0" |
| 2004 | 14°C (58°F) | 2°C (36°F) | 0" |
| 2003 | 5°C (41°F) | 0°C (32°F) | 0.9" |
| 2002 | 7°C (44°F) | 2°C (35°F) | 0" |
| 2001 | 4°C (39°F) | -2°C (29°F) | 2" |
| 2000 | 12°C (54°F) | 4°C (40°F) | -- |
| 1999 | 16°C (60°F) | 10°C (50°F) | -- |
| 1998 | 8°C (46°F) | 5°C (41°F) | -- |
| 1997 | 2°C (35°F) | -2°C (28°F) | 0.3" |
| 1996 | 13°C (56°F) | 7°C (44°F) | -- |
| 1995 | 9°C (49°F) | 1°C (33°F) | -- |
| 1994 | 3°C (37°F) | 0°C (32°F) | 0" |
| 1993 | 13°C (55°F) | 7°C (45°F) | 0.3" |
| 1992 | 7°C (45°F) | 5°C (41°F) | 0.4" |
| 1991 | 8°C (47°F) | 2°C (36°F) | -- |
| 1990 | 12°C (54°F) | 8°C (46°F) | 0" |
| 1989 | 17°C (62°F) | 11°C (51°F) | -- |
| 1988 | 8°C (47°F) | 0°C (32°F) | 5.9" |
| 1987 | 9°C (49°F) | 7°C (45°F) | -- |
| 1986 | 13°C (55°F) | 5°C (41°F) | 1.3" |
| 1985 | 12°C (53°F) | 4°C (39°F) | -- |
| 1984 | 11°C (52°F) | 6°C (42°F) | -- |
| 1983 | 12°C (53°F) | 2°C (35°F) | 0.2" |
| 1982 | 18°C (64°F) | 12°C (54°F) | -- |
| 1981 | 12°C (54°F) | 2°C (36°F) | 0.8" |
| 1980 | 8°C (47°F) | 6°C (43°F) | -- |
| 1979 | 13°C (55°F) | 9°C (49°F) | 0.4" |
| 1978 | 14°C (58°F) | 11°C (51°F) | -- |
| 1977 | 9°C (49°F) | 4°C (40°F) | 0.3" |
| 1976 | 14°C (58°F) | 4°C (40°F) | -- |
| 1975 | 15°C (59°F) | 8°C (46°F) | -- |
| 1974 | 12°C (54°F) | 3°C (37°F) | 0.1" |
| 1973 | 11°C (52°F) | 6°C (43°F) | -- |
| 1972 | 9°C (48°F) | 6°C (43°F) | -- |
| 1971 | 10°C (50°F) | 5°C (41°F) | 1" |