Weather on January 21 in Seoul
Historical weather data for January 21 in Seoul, South Korea
Avg High1°C (34°F)
Avg Low-6°C (22°F)
Warmest20215°C
Coldest1976-9°C
Based on 54 years of data from SEOUL CITY
About This Date
January 21st in Seoul, South Korea typically brings cold winter weather, with average highs around 1°C and lows near -6°C. Over 54 years of records, the warmest January 21st was in 2021 (5°C average), while the coldest was 1976 (-9°C) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 19% of January 21st dates historically, with the wettest January 21st recording 5" of rain.
Planning for January 21st in Seoul? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2026 | -7°C (20°F) | -12°C (10°F) | -- |
| 2025 | -- | -1°C (30°F) | -- |
| 2023 | -- | -11°C (13°F) | -- |
| 2022 | -- | -9°C (16°F) | 0" |
| 2021 | 7°C (45°F) | 3°C (37°F) | -- |
| 2020 | -- | -6°C (22°F) | 0" |
| 2019 | -- | -7°C (20°F) | -- |
| 2018 | -- | -4°C (25°F) | -- |
| 2017 | -- | -10°C (14°F) | 5" |
| 2016 | -2°C (28°F) | -- | -- |
| 2015 | 7°C (44°F) | -1°C (30°F) | -- |
| 2014 | -3°C (26°F) | -- | 0.08" |
| 2013 | 4°C (39°F) | 1°C (34°F) | 1.7" |
| 2012 | 6°C (42°F) | -- | 0" |
| 2011 | -3°C (26°F) | -9°C (15°F) | -- |
| 2010 | 2°C (36°F) | -- | 0.2" |
| 2009 | 6°C (43°F) | 1°C (34°F) | 0" |
| 2008 | 4°C (39°F) | -1°C (31°F) | 0.46" |
| 2007 | 7°C (45°F) | -2°C (28°F) | -- |
| 2006 | 5°C (41°F) | -- | -- |
| 2005 | -1°C (31°F) | -9°C (15°F) | -- |
| 2003 | 2°C (35°F) | -6°C (22°F) | -- |
| 2002 | 2°C (35°F) | -- | 0.43" |
| 2001 | 1°C (34°F) | -4°C (25°F) | 0" |
| 2000 | -3°C (27°F) | -12°C (11°F) | 0" |
| 1999 | 4°C (40°F) | -7°C (19°F) | 0" |
| 1998 | -2°C (28°F) | -8°C (17°F) | 0.1" |
| 1997 | -4°C (25°F) | -- | -- |
| 1996 | 3°C (37°F) | -- | -- |
| 1995 | 3°C (37°F) | -- | -- |
| 1994 | -2°C (29°F) | -10°C (14°F) | -- |
| 1993 | -1°C (30°F) | -10°C (14°F) | -- |
| 1992 | 5°C (41°F) | -4°C (24°F) | 0" |
| 1991 | 8°C (47°F) | 1°C (34°F) | -- |
| 1990 | -1°C (30°F) | -8°C (17°F) | -- |
| 1989 | 6°C (42°F) | 0°C (32°F) | -- |
| 1988 | 4°C (40°F) | 2°C (35°F) | 0.1" |
| 1987 | 4°C (39°F) | -7°C (20°F) | -- |
| 1986 | 1°C (33°F) | -- | -- |
| 1985 | -1°C (31°F) | -10°C (14°F) | -- |
| 1984 | 1°C (34°F) | -9°C (15°F) | -- |
| 1983 | -5°C (23°F) | -- | -- |
| 1982 | 7°C (44°F) | -5°C (23°F) | -- |
| 1981 | -3°C (27°F) | -11°C (12°F) | -- |
| 1980 | -4°C (25°F) | -- | -- |
| 1979 | 0°C (32°F) | -- | 0" |
| 1978 | -4°C (25°F) | -- | 0" |
| 1977 | -2°C (28°F) | -- | 0" |
| 1976 | -5°C (23°F) | -14°C (7°F) | 0" |
| 1975 | -- | -8°C (18°F) | -- |
| 1974 | 2°C (36°F) | -- | -- |
| 1973 | 6°C (43°F) | 0°C (32°F) | 0" |
| 1972 | 4°C (39°F) | -8°C (17°F) | 0.1" |
| 1971 | 5°C (41°F) | -1°C (31°F) | 0.5" |