Weather on August 18 in Seoul
Historical weather data for August 18 in Seoul, South Korea
Avg High30°C (86°F)
Avg Low22°C (72°F)
Warmest198430°C
Coldest200419°C
Based on 56 years of data from SEOUL CITY
About This Date
August 18th in Seoul, South Korea typically brings warm summer weather, with average highs around 30°C and lows near 22°C. Over 56 years of records, the warmest August 18th was in 1984 (30°C average), while the coldest was 2004 (19°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 18th dates historically, with the wettest August 18th recording 6.18" of rain.
Planning for August 18th in Seoul? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 31°C (87°F) | 26°C (78°F) | -- |
| 2025 | 30°C (86°F) | 27°C (80°F) | -- |
| 2024 | -- | 27°C (81°F) | -- |
| 2023 | -- | 26°C (78°F) | 0 mm |
| 2022 | 30°C (86°F) | 22°C (72°F) | -- |
| 2021 | -- | 21°C (69°F) | 14 mm |
| 2020 | -- | 27°C (80°F) | -- |
| 2019 | -- | 19°C (67°F) | 0 mm |
| 2018 | -- | 22°C (71°F) | -- |
| 2017 | -- | 23°C (74°F) | -- |
| 2016 | 34°C (94°F) | 26°C (79°F) | -- |
| 2015 | 32°C (90°F) | 24°C (75°F) | -- |
| 2014 | 24°C (76°F) | -- | 8 mm |
| 2013 | 32°C (89°F) | -- | -- |
| 2012 | 28°C (83°F) | 26°C (78°F) | 1 mm |
| 2011 | 30°C (86°F) | 22°C (71°F) | 0 mm |
| 2010 | 31°C (88°F) | 22°C (72°F) | 20 mm |
| 2009 | 31°C (88°F) | -- | 0 mm |
| 2008 | 25°C (77°F) | 21°C (69°F) | 39 mm |
| 2007 | 31°C (88°F) | 24°C (76°F) | 0 mm |
| 2006 | 31°C (87°F) | 23°C (74°F) | 0 mm |
| 2005 | 30°C (86°F) | -- | 8 mm |
| 2004 | 27°C (80°F) | 12°C (53°F) | 36 mm |
| 2003 | 23°C (73°F) | 20°C (68°F) | 2 mm |
| 2002 | 29°C (84°F) | -- | 9 mm |
| 2001 | 33°C (91°F) | -- | -- |
| 2000 | -- | 22°C (71°F) | -- |
| 1999 | 31°C (88°F) | -- | 0 mm |
| 1998 | 29°C (85°F) | 22°C (71°F) | 0 mm |
| 1997 | 34°C (93°F) | 24°C (76°F) | 0 mm |
| 1996 | 33°C (91°F) | -- | -- |
| 1995 | 32°C (89°F) | -- | -- |
| 1994 | 29°C (84°F) | -- | 1 mm |
| 1993 | 27°C (81°F) | -- | 0 mm |
| 1992 | 31°C (87°F) | 21°C (69°F) | 66 mm |
| 1991 | 32°C (89°F) | -- | -- |
| 1990 | 30°C (86°F) | 22°C (71°F) | -- |
| 1989 | 31°C (88°F) | -- | -- |
| 1988 | 31°C (88°F) | -- | 22 mm |
| 1987 | 31°C (87°F) | -- | -- |
| 1986 | 24°C (76°F) | 22°C (71°F) | 9 mm |
| 1985 | 33°C (91°F) | 23°C (74°F) | -- |
| 1984 | 34°C (94°F) | 25°C (77°F) | -- |
| 1983 | 33°C (91°F) | -- | -- |
| 1982 | 31°C (87°F) | 23°C (74°F) | -- |
| 1981 | 28°C (82°F) | -- | -- |
| 1980 | 27°C (81°F) | 20°C (68°F) | -- |
| 1979 | 26°C (79°F) | -- | -- |
| 1978 | 26°C (79°F) | 22°C (72°F) | -- |
| 1977 | 29°C (84°F) | 20°C (68°F) | 0 mm |
| 1976 | 32°C (90°F) | 22°C (72°F) | 0 mm |
| 1975 | 35°C (95°F) | -- | 0 mm |
| 1974 | 32°C (90°F) | 21°C (70°F) | 0 mm |
| 1973 | 28°C (82°F) | 23°C (74°F) | 0 mm |
| 1972 | 25°C (77°F) | 18°C (64°F) | 157 mm |
| 1971 | 24°C (75°F) | 20°C (68°F) | 0 mm |