Historical Weather in Seoul, South Korea
See 55+ years of weather history for any date in Seoul going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Seoul, South Korea, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 29°C (85°F) / Low: 22°C (71°F)
Coldest MonthJanuaryAvg High: 2°C (35°F) / Low: -8°C (18°F)
Jan
2°/ -8°
35° / 18°F
💧 86 mm
Feb
4°/ -5°
40° / 23°F
💧 114 mm
Mar
11°/ 0°
51° / 32°F
💧 178 mm
Apr
18°/ 6°
64° / 43°F
💧 249 mm
May
23°/ 12°
73° / 53°F
💧 310 mm
Jun
27°/ 17°
80° / 63°F
💧 361 mm
Jul
29°/ 21°
84° / 70°F
💧 643 mm
Aug
29°/ 22°
85° / 71°F
💧 622 mm
Sep
26°/ 16°
78° / 61°F
💧 523 mm
Oct
20°/ 9°
68° / 49°F
💧 229 mm
Nov
12°/ 2°
53° / 36°F
💧 145 mm
Dec
4°/ -4°
39° / 24°F
💧 89 mm
Temperatures shown in Celsius with Fahrenheit in parentheses. Rainfall in millimetres, snowfall in centimetres.