Weather on December 20 in Seoul
Historical weather data for December 20 in Seoul, South Korea
Avg High4°C (39°F)
Avg Low-4°C (24°F)
Warmest19928°C
Coldest1999-8°C
Based on 54 years of data from SEOUL CITY
About This Date
December 20th in Seoul, South Korea typically brings cold winter weather, with average highs around 4°C and lows near -4°C. Over 54 years of records, the warmest December 20th was in 1992 (8°C average), while the coldest was 1999 (-8°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 20th dates historically, with the wettest December 20th recording 0.51" of rain.
Planning for December 20th in Seoul? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 11°C (52°F) | -3°C (27°F) | -- |
| 2024 | -- | -2°C (28°F) | -- |
| 2022 | -- | -9°C (15°F) | -- |
| 2021 | -- | -1°C (30°F) | 0" |
| 2020 | -- | -8°C (17°F) | -- |
| 2019 | -- | -2°C (29°F) | -- |
| 2018 | -- | -1°C (30°F) | -- |
| 2017 | -- | -8°C (17°F) | 0" |
| 2016 | -- | 6°C (42°F) | 0" |
| 2015 | 6°C (43°F) | -3°C (26°F) | -- |
| 2014 | 2°C (36°F) | -- | 0.3" |
| 2013 | 0°C (32°F) | -8°C (17°F) | 0" |
| 2012 | 1°C (33°F) | -8°C (18°F) | -- |
| 2011 | 4°C (39°F) | -5°C (23°F) | -- |
| 2010 | 9°C (48°F) | -- | -- |
| 2009 | -1°C (30°F) | -9°C (16°F) | -- |
| 2008 | 5°C (41°F) | -- | 0.51" |
| 2007 | 8°C (46°F) | -- | 0.05" |
| 2006 | 8°C (47°F) | -- | -- |
| 2005 | 2°C (35°F) | -7°C (19°F) | -- |
| 2004 | -- | -9°C (15°F) | 0.03" |
| 2003 | -1°C (31°F) | -8°C (17°F) | -- |
| 2002 | 11°C (51°F) | -1°C (30°F) | -- |
| 2001 | 3°C (37°F) | -6°C (22°F) | -- |
| 2000 | 2°C (36°F) | -- | 0" |
| 1999 | -5°C (23°F) | -11°C (12°F) | -- |
| 1998 | 7°C (44°F) | -2°C (29°F) | -- |
| 1997 | 8°C (47°F) | 1°C (34°F) | 0" |
| 1996 | 4°C (40°F) | -6°C (21°F) | 0" |
| 1995 | 5°C (41°F) | -- | -- |
| 1994 | 2°C (35°F) | -6°C (22°F) | -- |
| 1993 | 8°C (47°F) | -- | 0" |
| 1992 | 13°C (55°F) | 2°C (36°F) | -- |
| 1991 | 7°C (45°F) | 1°C (33°F) | -- |
| 1990 | 6°C (43°F) | -3°C (27°F) | -- |
| 1989 | 4°C (40°F) | 2°C (35°F) | 0" |
| 1988 | 6°C (42°F) | -- | -- |
| 1987 | 4°C (39°F) | -1°C (30°F) | -- |
| 1986 | 3°C (37°F) | -- | -- |
| 1985 | -1°C (30°F) | -9°C (16°F) | -- |
| 1984 | 3°C (38°F) | -- | 0.1" |
| 1983 | 5°C (41°F) | -7°C (20°F) | -- |
| 1982 | 7°C (44°F) | -2°C (28°F) | -- |
| 1981 | 3°C (37°F) | -- | -- |
| 1980 | -3°C (27°F) | -- | -- |
| 1979 | 9°C (48°F) | -- | -- |
| 1978 | 2°C (36°F) | -9°C (16°F) | 0" |
| 1977 | 2°C (36°F) | -- | 0" |
| 1976 | 6°C (43°F) | 2°C (36°F) | 0" |
| 1975 | 0°C (32°F) | -3°C (27°F) | 0.03" |
| 1974 | 2°C (36°F) | -- | 0" |
| 1973 | -- | -2°C (28°F) | 0" |
| 1972 | 5°C (41°F) | -3°C (26°F) | 0" |
| 1971 | -3°C (27°F) | -9°C (15°F) | 0" |