Climate at a glance · Busan
Annual mean15°day and night
Precipitation1462 mma year
Warmest monthAugustavg high 30°
Coldest monthJanuaryavg low -2°
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 | 7° | 9° | 14° | 18° | 21° | 25° | 29° | 30° | 27° | 21° | 16° | 8° |
| Avg low | -2° | 0° | 5° | 9° | 13° | 19° | 23° | 24° | 21° | 14° | 6° | -1° |
| Precip, mm | 31 | 47 | 98 | 109 | 139 | 201 | 221 | 227 | 203 | 105 | 54 | 27 |
| Wet days | 3 | 6 | 9 | 7 | 9 | 10 | 15 | 16 | 12 | 6 | 3 | 3 |
| Sunshine | 8 h | 8.2 h | 8.3 h | 8.9 h | 9.5 h | 8.7 h | 9.2 h | 10 h | 8.4 h | 8.2 h | 8.6 h | 8.1 h |
| Humidity | 56% | 59% | 69% | 71% | 75% | 83% | 86% | 84% | 81% | 74% | 67% | 59% |
| Sea temperature | 12° | 10° | 11° | 13° | 16° | 20° | 25° | 28° | 27° | 24° | 19° | 15° |
| Daylight | 10 h 06 | 10 h 55 | 11 h 58 | 13 h 05 | 14 h 01 | 14 h 29 | 14 h 15 | 13 h 27 | 12 h 24 | 11 h 18 | 10 h 20 | 9 h 50 |
| UV index (clear sky) | 4 | 6 | 8 | 10 | 11 | 12 | 11 | 10 | 9 | 6 | 4 | 4 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
35.1020°N, 129.0300°E