Weather on December 20 in Istanbul
Historical weather data for December 20 in Istanbul, Turkey
Based on 55 years of data from ISTANBUL
About This Date
December 20th in Istanbul, Turkey typically brings cool winter weather, with average highs around 11°C and lows near 5°C. Over 55 years of records, the warmest December 20th was in 2009 (14°C average), while the coldest was 2012 (-3°C) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 20th dates historically, with the wettest December 20th recording 2.8" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for December 20th 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 (mm) |
|---|---|---|---|
| 2025 | 13°C (55°F) | 2°C (36°F) | -- |
| 2024 | 16°C (61°F) | 7°C (45°F) | 0 mm |
| 2023 | 16°C (60°F) | 4°C (40°F) | 0 mm |
| 2022 | 10°C (50°F) | 4°C (39°F) | 1 mm |
| 2021 | 8°C (46°F) | 2°C (35°F) | 1 mm |
| 2020 | 13°C (56°F) | 7°C (45°F) | 0 mm |
| 2019 | -- | 8°C (46°F) | -- |
| 2018 | -- | 3°C (37°F) | 7 mm |
| 2017 | 9°C (48°F) | -- | 1 mm |
| 2016 | 7°C (44°F) | 1°C (33°F) | 5 mm |
| 2015 | 13°C (55°F) | -- | 0 mm |
| 2014 | 14°C (58°F) | 7°C (45°F) | 0 mm |
| 2013 | 9°C (49°F) | -1°C (30°F) | 0 mm |
| 2012 | -2°C (28°F) | -4°C (25°F) | 20 mm |
| 2011 | 12°C (54°F) | -- | 38 mm |
| 2010 | 17°C (62°F) | 7°C (45°F) | 21 mm |
| 2009 | 22°C (71°F) | 7°C (45°F) | 0 mm |
| 2008 | 11°C (51°F) | 8°C (46°F) | 15 mm |
| 2007 | 4°C (40°F) | 1°C (34°F) | 0 mm |
| 2006 | 9°C (49°F) | 4°C (39°F) | 1 mm |
| 2005 | 3°C (38°F) | -- | 23 mm |
| 2004 | 13°C (56°F) | 8°C (46°F) | 5 mm |
| 2003 | 10°C (50°F) | 3°C (37°F) | -- |
| 2002 | 4°C (40°F) | -1°C (30°F) | 36 mm |
| 2001 | 5°C (41°F) | -1°C (30°F) | 0 mm |
| 2000 | 6°C (42°F) | 3°C (37°F) | 5 mm |
| 1999 | 16°C (60°F) | 11°C (51°F) | -- |
| 1998 | 10°C (50°F) | 7°C (44°F) | 13 mm |
| 1997 | 9°C (48°F) | 1°C (34°F) | -- |
| 1996 | 16°C (61°F) | 11°C (51°F) | -- |
| 1995 | 10°C (50°F) | 6°C (42°F) | 28 mm |
| 1994 | 3°C (38°F) | 1°C (33°F) | 3 mm |
| 1993 | 14°C (58°F) | 4°C (39°F) | -- |
| 1992 | 6°C (43°F) | 4°C (40°F) | -- |
| 1991 | 9°C (48°F) | 5°C (41°F) | -- |
| 1990 | 10°C (50°F) | 8°C (46°F) | -- |
| 1989 | 16°C (60°F) | 11°C (51°F) | -- |
| 1988 | 10°C (50°F) | 2°C (36°F) | -- |
| 1987 | 9°C (49°F) | 7°C (44°F) | -- |
| 1986 | 12°C (53°F) | 5°C (41°F) | -- |
| 1985 | 7°C (44°F) | 1°C (34°F) | -- |
| 1984 | 12°C (54°F) | 7°C (45°F) | -- |
| 1983 | 16°C (60°F) | 9°C (48°F) | 3 mm |
| 1982 | 16°C (60°F) | 9°C (48°F) | 8 mm |
| 1981 | 18°C (65°F) | 10°C (50°F) | -- |
| 1980 | 17°C (62°F) | 6°C (42°F) | -- |
| 1979 | 14°C (57°F) | 9°C (48°F) | -- |
| 1978 | 12°C (54°F) | 7°C (44°F) | 0 mm |
| 1977 | 9°C (49°F) | 7°C (44°F) | -- |
| 1976 | 11°C (51°F) | 4°C (39°F) | -- |
| 1975 | 6°C (43°F) | 1°C (34°F) | 71 mm |
| 1974 | 7°C (44°F) | 3°C (37°F) | 18 mm |
| 1973 | 13°C (55°F) | 5°C (41°F) | -- |
| 1972 | 7°C (44°F) | 2°C (36°F) | 5 mm |
| 1971 | 11°C (51°F) | 3°C (38°F) | -- |