Weather on March 21 in Seoul
Historical weather data for March 21 in Seoul, South Korea
Avg High13°C (55°F)
Avg Low2°C (36°F)
Warmest200916°C
Coldest19761°C
Based on 53 years of data from SEOUL CITY
About This Date
March 21st in Seoul, South Korea typically brings cool spring weather, with average highs around 13°C and lows near 2°C. Over 53 years of records, the warmest March 21st was in 2009 (16°C average), while the coldest was 1976 (1°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 8% of March 21st dates historically, with the wettest March 21st recording 1.78" of rain.
Planning for March 21st in Seoul? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2026 | 11°C (52°F) | 4°C (40°F) | -- |
| 2025 | -- | 6°C (43°F) | -- |
| 2024 | -- | -1°C (30°F) | -- |
| 2023 | -- | 5°C (41°F) | -- |
| 2022 | -- | -1°C (31°F) | 0" |
| 2020 | -- | 4°C (39°F) | 0" |
| 2018 | -- | -1°C (31°F) | 0.76" |
| 2016 | 16°C (61°F) | -- | -- |
| 2015 | 18°C (64°F) | -- | -- |
| 2014 | 12°C (54°F) | 1°C (34°F) | -- |
| 2013 | 7°C (45°F) | -4°C (25°F) | -- |
| 2012 | 11°C (51°F) | -1°C (31°F) | -- |
| 2011 | 13°C (55°F) | -- | -- |
| 2010 | 7°C (45°F) | -1°C (31°F) | -- |
| 2009 | 22°C (72°F) | 8°C (47°F) | -- |
| 2008 | 20°C (68°F) | 7°C (45°F) | -- |
| 2007 | -- | 6°C (42°F) | 0.1" |
| 2006 | 16°C (61°F) | 3°C (37°F) | -- |
| 2005 | -- | 2°C (36°F) | -- |
| 2004 | 16°C (60°F) | 4°C (39°F) | -- |
| 2003 | 14°C (57°F) | -6°C (21°F) | -- |
| 2002 | -- | 4°C (40°F) | 1.78" |
| 2001 | 19°C (67°F) | 6°C (42°F) | -- |
| 2000 | 13°C (55°F) | -- | -- |
| 1999 | 7°C (44°F) | -- | 0.2" |
| 1998 | 6°C (42°F) | -2°C (28°F) | 0" |
| 1997 | 13°C (55°F) | -- | -- |
| 1996 | 9°C (48°F) | -- | -- |
| 1995 | 14°C (57°F) | -- | 0" |
| 1994 | 12°C (54°F) | 3°C (37°F) | -- |
| 1993 | -- | 1°C (34°F) | -- |
| 1992 | 11°C (52°F) | -- | -- |
| 1991 | 11°C (51°F) | -5°C (23°F) | -- |
| 1990 | 19°C (66°F) | 3°C (38°F) | -- |
| 1989 | 13°C (55°F) | -- | -- |
| 1988 | 14°C (57°F) | -- | -- |
| 1987 | 12°C (54°F) | 4°C (39°F) | -- |
| 1986 | 12°C (53°F) | 1°C (34°F) | -- |
| 1985 | 13°C (56°F) | -- | -- |
| 1984 | 7°C (44°F) | -2°C (28°F) | -- |
| 1983 | 18°C (65°F) | 6°C (42°F) | -- |
| 1982 | 14°C (57°F) | 5°C (41°F) | -- |
| 1981 | 19°C (66°F) | 5°C (41°F) | -- |
| 1980 | 13°C (55°F) | 0°C (32°F) | -- |
| 1979 | 16°C (61°F) | 6°C (43°F) | -- |
| 1978 | 12°C (54°F) | 4°C (39°F) | 0" |
| 1977 | 16°C (61°F) | 4°C (39°F) | 0" |
| 1976 | 6°C (43°F) | -5°C (23°F) | 0" |
| 1975 | 11°C (52°F) | 1°C (34°F) | 0" |
| 1974 | 7°C (45°F) | -- | 0" |
| 1973 | 12°C (54°F) | -- | -- |
| 1972 | 10°C (50°F) | 4°C (39°F) | 0" |
| 1971 | 11°C (51°F) | 3°C (37°F) | 0" |