More places in South Korea
South Korea climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seoul | 2° | 5° | 12° | 17° | 22° | 27° | 29° | 29° | 25° | 18° | 12° | 3° |
| Cheonan | 3° | 5° | 13° | 19° | 23° | 28° | 31° | 30° | 26° | 19° | 13° | 4° |
| Hwaseong-si | 2° | 5° | 12° | 18° | 22° | 26° | 30° | 29° | 26° | 19° | 13° | 4° |
| Jeonju | 5° | 7° | 15° | 20° | 24° | 29° | 31° | 31° | 28° | 21° | 15° | 6° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seoul | 4 | 4 | 7 | 7 | 9 | 11 | 17 | 18 | 11 | 7 | 6 | 4 |
| Cheonan | 5 | 4 | 7 | 7 | 9 | 10 | 17 | 17 | 12 | 9 | 7 | 5 |
| Hwaseong-si | 6 | 4 | 6 | 8 | 9 | 11 | 16 | 18 | 11 | 8 | 6 | 6 |
| Jeonju | 6 | 6 | 8 | 8 | 9 | 13 | 20 | 21 | 12 | 8 | 8 | 7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seoul | 4° | 3° | 5° | 11° | 17° | 23° | 28° | 30° | 28° | 22° | 16° | 9° |
| Hwaseong-si | 4° | 1° | 5° | 10° | 15° | 22° | 28° | 29° | 28° | 22° | 15° | 8° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Seoul climate in May
8-year averages · when to visitBest months: May–September · May: Good
| April | May | June | |
|---|---|---|---|
| Average temperature | ▲ 11°C | 17°C | ▲ 22°C |
| Typical high | ▲ 17°C | 22°C | ▲ 27°C |
| Typical low | ▲ 6°C | 12°C | ▲ 18°C |
| Water temperature | ▲ 11.2°C | 16.6°C | ▲ 23.1°C |
| Precipitation | ▲ 65 mm | 118 mm | ▲ 143 mm |
| Wet days | ▲ 7 d | 9 d | ▲ 11 d |
| Humidity | ▲ 67% | 71% | ▼ 68% |
| Sunshine per day | ▲ 9.2 h | 9.4 h | ▼ 9.3 h |
| Cloud cover | ▲ 30% | 34% | ▲ 37% |
| Midday UV | ▲ 9 | 11 | → 11 |
| Daylight | 13:10 | 14:12 | 14:43 |
| Our take | Acceptable | Good | Good |
May temperatures day by day daily mean + smoothed trend · °C
May precipitation day by day mm
May UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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Updated: 2:54 AM
South Korea · 13 weather points · Climate reference: Seoul (37.57°N, 126.98°E) · Asia/Seoul