WEATHER IN Seoul
Climate tables. Data for Seoul.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -21.4 (1963) | -5.5 | -2.0 | 2.1 | 13.5 (2002) |
| february | -19.2 (1969) | -3.2 | 0.7 | 5.1 | 18.7 (2004) |
| march | -11.0 (1977) | 1.9 | 6.1 | 11.0 | 24.0 (2025) |
| april | -3.4 (1991) | 8.0 | 12.6 | 17.9 | 29.8 (2005) |
| may | 4.6 (1961) | 13.5 | 18.3 | 23.6 | 33.4 (2019) |
| june | 9.0 (1981) | 18.7 | 22.7 | 27.6 | 37.4 (1958) |
| july | 13.0 (1976) | 22.3 | 25.3 | 29.0 | 38.4 (1994) |
| august | 15.7 (1968) | 22.9 | 26.1 | 30.0 | 39.6 (2018) |
| september | 6.3 (1987) | 17.7 | 21.7 | 26.2 | 34.6 (2024) |
| october | -2.0 (1958) | 10.6 | 15.0 | 20.2 | 29.6 (1968) |
| november | -11.0 (1979) | 3.5 | 7.5 | 11.9 | 25.9 (2011) |
| december | -18.0 (1976) | -3.4 | 0.2 | 4.2 | 19.6 (1968) |
| year | -21.4 (1963) | 8.9 | 12.9 | 17.4 | 39.6 (2018) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 17 | 0.0 (1773) | 245 (1882) | 40 (2020) |
| february | 28 | 0.0 (1771) | 152 (1816) | 47 (2013) |
| march | 37 | 0.0 (1778) | 410 (1812) | 65 (2021) |
| april | 73 | 0.6 (1978) | 339 (1964) | 81 (2023) |
| may | 104 | 0.0 (1797) | 347 (1806) | 83 (2018) |
| june | 130 | 9 (1772) | 639 (1946) | 177 (2011) |
| july | 414 | 46 (1870) | 1162 (1879) | 323 (1992) |
| august | 348 | 0.0 (1952) | 1238 (1998) | 242 (1999) |
| september | 142 | 5 (1957) | 672 (2010) | 260 (2010) |
| october | 52 | 0.0 (1781) | 233 (2025) | 61 (2022) |
| november | 51 | 0.0 (1776) | 224 (1840) | 89 (2020) |
| december | 23 | 0.0 (1770) | 282 (1891) | 37 (2023) |
| year | 1418 | 634 (1949) | 2852 (1787) | 323 (1992) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |