Climate at a glance · Seoul
Annual mean13°day and night
Precipitation1462 mma year
Warmest monthJulyavg high 30°
Coldest monthJanuaryavg low -7°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1462 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 2° | 5° | 12° | 18° | 22° | 27° | 30° | 29° | 26° | 19° | 12° | 3° |
| Avg low | -7° | -5° | 1° | 7° | 12° | 18° | 23° | 23° | 18° | 10° | 2° | -5° |
| Precip, mm | 19 | 17 | 58 | 74 | 126 | 169 | 305 | 289 | 215 | 104 | 56 | 30 |
| Wet days | 4 | 4 | 7 | 7 | 9 | 13 | 18 | 18 | 11 | 9 | 6 | 5 |
| Sunshine | 7.4 h | 8.2 h | 8.6 h | 9 h | 9.4 h | 9.1 h | 8.6 h | 9 h | 8.2 h | 7.5 h | 7.6 h | 7.2 h |
| Humidity | 60% | 63% | 67% | 66% | 70% | 75% | 82% | 82% | 80% | 77% | 72% | 64% |
| Sea temperature | 4° | 1° | 5° | 10° | 16° | 23° | 28° | 30° | 27° | 22° | 15° | 9° |
| Daylight | 9 h 54 | 10 h 48 | 11 h 58 | 13 h 10 | 14 h 12 | 14 h 43 | 14 h 28 | 13 h 35 | 12 h 26 | 11 h 14 | 10 h 10 | 9 h 37 |
| UV index (clear sky) | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
37.5670°N, 126.9780°E