Seoul Weather & Climate

South Korea

Seoul sees feels-like daytime highs peak around 35.4°C in August and nighttime lows bottom out near -6.9°C in January. July is the wettest month (~288 mm), while January is the driest (~13 mm). For sunshine, October leads with about 68% clear skies.

Best time to visit Seoul

Based on mild feels-like temperatures and low rain chances, the most comfortable months are May, October, and September — expect around 16.725.5°C with roughly 24% chance of rain on a given day in May.

Seoul climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-6.9° / -1.1°7%13 mm66%14.7 kph
February-3.9° / 1.9°8%21 mm63%14.8 kph
March2.7° / 8.9°15%38 mm57%14.7 kph
April9.8° / 17.4°21%62 mm54%14.2 kph
May16.7° / 25.5°24%87 mm55%12.9 kph
June22.7° / 30.5°32%138 mm52%11.3 kph
July27.1° / 34°51%288 mm48%12.2 kph
August28.2° / 35.4°47%255 mm52%12 kph
September20.9° / 29.3°28%143 mm60%11.7 kph
October12.6° / 20.2°19%59 mm68%12.5 kph
November3.9° / 10.3°16%38 mm67%13.9 kph
December-3.7° / 2.2°9%19 mm67%14.5 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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