Weather on June 18 in Seoul
Historical weather data for June 18 in Seoul, South Korea
Avg High27°C (81°F)
Avg Low19°C (66°F)
Warmest199728°C
Coldest197221°C
Based on 55 years of data from SEOUL CITY
About This Date
June 18th in Seoul, South Korea typically brings warm summer weather, with average highs around 27°C and lows near 19°C. Over 55 years of records, the warmest June 18th was in 1997 (28°C average), while the coldest was 1972 (21°C) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 25% of June 18th dates historically, with the wettest June 18th recording 9.4" of rain.
Planning for June 18th in Seoul? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | -- | 19°C (66°F) | 0" |
| 2024 | -- | 21°C (69°F) | -- |
| 2023 | -- | 21°C (69°F) | -- |
| 2022 | 25°C (77°F) | 22°C (72°F) | -- |
| 2021 | -- | 19°C (66°F) | -- |
| 2020 | -- | 21°C (69°F) | -- |
| 2019 | -- | 17°C (63°F) | 0.99" |
| 2018 | -- | 17°C (63°F) | -- |
| 2017 | -- | 18°C (65°F) | -- |
| 2016 | 30°C (86°F) | 20°C (68°F) | -- |
| 2015 | 31°C (88°F) | 19°C (67°F) | 1.19" |
| 2014 | 29°C (84°F) | 21°C (69°F) | 0" |
| 2013 | 23°C (74°F) | 21°C (69°F) | 0.99" |
| 2012 | 30°C (86°F) | 20°C (68°F) | -- |
| 2011 | 29°C (84°F) | 21°C (69°F) | -- |
| 2010 | 31°C (88°F) | -- | -- |
| 2009 | 32°C (89°F) | 18°C (65°F) | -- |
| 2008 | 22°C (72°F) | -- | 4.7" |
| 2007 | 33°C (92°F) | 21°C (69°F) | -- |
| 2006 | 27°C (81°F) | -- | 0" |
| 2005 | 27°C (81°F) | -- | 0" |
| 2004 | 24°C (75°F) | 17°C (63°F) | 1.24" |
| 2003 | 27°C (81°F) | 18°C (64°F) | 0" |
| 2002 | 29°C (84°F) | 19°C (66°F) | -- |
| 2001 | 22°C (71°F) | -- | 3.89" |
| 2000 | 34°C (93°F) | -- | -- |
| 1999 | 27°C (81°F) | -- | 0" |
| 1998 | 27°C (81°F) | -- | 0" |
| 1997 | 34°C (94°F) | 22°C (71°F) | -- |
| 1996 | 26°C (79°F) | 15°C (59°F) | 9.4" |
| 1995 | 22°C (71°F) | -- | 1.4" |
| 1994 | 27°C (80°F) | -- | 0" |
| 1993 | 28°C (82°F) | 18°C (64°F) | 1.7" |
| 1992 | 26°C (78°F) | -- | 0.03" |
| 1991 | 28°C (83°F) | 17°C (62°F) | -- |
| 1990 | 24°C (76°F) | -- | 3.61" |
| 1989 | 23°C (73°F) | -- | -- |
| 1988 | 28°C (82°F) | 18°C (64°F) | -- |
| 1987 | 28°C (83°F) | 18°C (65°F) | -- |
| 1986 | 24°C (75°F) | -- | 0.2" |
| 1985 | 28°C (83°F) | 18°C (64°F) | -- |
| 1984 | 23°C (74°F) | -- | 2.79" |
| 1983 | 31°C (88°F) | 18°C (64°F) | -- |
| 1982 | 29°C (84°F) | -- | -- |
| 1981 | 29°C (84°F) | 21°C (70°F) | -- |
| 1980 | 28°C (82°F) | 18°C (64°F) | -- |
| 1979 | 26°C (79°F) | -- | -- |
| 1978 | 25°C (77°F) | 19°C (66°F) | 0.05" |
| 1977 | 27°C (81°F) | -- | 0" |
| 1976 | 26°C (79°F) | -- | 0" |
| 1975 | 25°C (77°F) | 17°C (63°F) | 0" |
| 1974 | 24°C (75°F) | -- | 0" |
| 1973 | 25°C (77°F) | -- | -- |
| 1972 | 26°C (78°F) | 16°C (60°F) | 0" |
| 1971 | 27°C (81°F) | 18°C (65°F) | 0" |