Weather on June 21 in Seoul
Historical weather data for June 21 in Seoul, South Korea
Avg High28°C (82°F)
Avg Low19°C (66°F)
Warmest201227°C
Coldest202519°C
Based on 52 years of data from SEOUL CITY
About This Date
June 21st in Seoul, South Korea typically brings warm summer weather, with average highs around 28°C and lows near 19°C. Over 52 years of records, the warmest June 21st was in 2012 (27°C average), while the coldest was 2025 (19°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 17% of June 21st dates historically, with the wettest June 21st recording 11.4" of rain.
Planning for June 21st in Seoul? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 21°C (69°F) | 17°C (63°F) | -- |
| 2024 | -- | 23°C (73°F) | -- |
| 2023 | -- | 19°C (66°F) | -- |
| 2022 | 33°C (91°F) | 21°C (70°F) | -- |
| 2021 | -- | 19°C (67°F) | -- |
| 2020 | -- | 19°C (67°F) | -- |
| 2018 | -- | 19°C (66°F) | -- |
| 2016 | 31°C (88°F) | 21°C (70°F) | -- |
| 2015 | 29°C (85°F) | 16°C (60°F) | -- |
| 2014 | 28°C (83°F) | 20°C (68°F) | 0.99" |
| 2013 | 32°C (89°F) | -- | -- |
| 2012 | 32°C (90°F) | 21°C (70°F) | -- |
| 2011 | 29°C (85°F) | 19°C (67°F) | -- |
| 2010 | 28°C (82°F) | 18°C (65°F) | 0" |
| 2009 | 30°C (86°F) | -- | 0.2" |
| 2008 | 28°C (83°F) | -- | -- |
| 2007 | 23°C (74°F) | -- | 0.25" |
| 2006 | 21°C (69°F) | -- | 0.66" |
| 2005 | 29°C (84°F) | -- | -- |
| 2004 | 27°C (80°F) | -- | 0.15" |
| 2003 | 28°C (82°F) | 19°C (67°F) | -- |
| 2001 | 25°C (77°F) | 21°C (69°F) | -- |
| 2000 | 33°C (91°F) | -- | -- |
| 1999 | 30°C (86°F) | 18°C (65°F) | 0" |
| 1998 | 31°C (88°F) | -- | -- |
| 1997 | 29°C (84°F) | 21°C (70°F) | 0" |
| 1996 | 26°C (79°F) | 19°C (67°F) | 0.1" |
| 1995 | 29°C (85°F) | -- | 1.6" |
| 1994 | 28°C (82°F) | 17°C (62°F) | -- |
| 1993 | 28°C (83°F) | 18°C (64°F) | -- |
| 1992 | 24°C (76°F) | 17°C (62°F) | -- |
| 1991 | 28°C (83°F) | 16°C (61°F) | -- |
| 1990 | 21°C (70°F) | -- | 11.4" |
| 1989 | -- | 16°C (61°F) | -- |
| 1988 | 31°C (88°F) | 17°C (63°F) | -- |
| 1987 | 28°C (83°F) | 17°C (62°F) | -- |
| 1986 | 29°C (85°F) | 19°C (66°F) | -- |
| 1985 | 27°C (81°F) | -- | -- |
| 1984 | 29°C (84°F) | -- | -- |
| 1983 | 31°C (87°F) | 17°C (63°F) | -- |
| 1982 | 30°C (86°F) | 21°C (69°F) | -- |
| 1981 | 26°C (79°F) | -- | -- |
| 1980 | 27°C (81°F) | 17°C (63°F) | -- |
| 1979 | 24°C (75°F) | 18°C (64°F) | -- |
| 1978 | 23°C (73°F) | 18°C (65°F) | 0.1" |
| 1977 | 28°C (82°F) | 19°C (66°F) | 0" |
| 1976 | 26°C (79°F) | 19°C (66°F) | -- |
| 1975 | 32°C (90°F) | -- | 0" |
| 1974 | 23°C (73°F) | -- | -- |
| 1973 | -- | 18°C (64°F) | -- |
| 1972 | 23°C (74°F) | 17°C (62°F) | 0" |
| 1971 | 24°C (76°F) | 19°C (67°F) | 0" |