Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Osan is from April, May, October. — consistent weather climate
🌧Rainy
| Score | 23 | 28 | 46 | 81 | 78 | 69 | 39 | 33 | 64 | 88 | 45 | 25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Cold | Cold | Mild | Cool & rainy | Rainy | Rainy | Hot & rainy | Rainy | Mild | Cold | Polar |
| Temperature | -6–3°C | -4–6°C | 1–13°C | 6–19°C | 11–23°C | 18–28°C | 22–29°C | 23–30°C | 18–26°C | 9–19°C | 3–13°C | -5–4°C |
| Feels like | -10–-1°C | -8–2°C | -3–10°C | 4–17°C | 10–23°C | 19–30°C | 25–34°C | 26–35°C | 19–29°C | 8–18°C | -1–10°C | -10–0°C |
| Precipitation | 31mm 5 days | 31mm 5 days | 51mm 5 days | 56mm 6 days | 117mm 8 days | 172mm 11 days | 301mm 21 days | 339mm 21 days | 194mm 12 days | 59mm 5 days | 63mm 6 days | 25mm 4 days |
| Sunshine | 7.3h ☀︎ 73% | 7.8h ☀︎ 72% | 8.8h ☀︎ 74% | 9.5h ☀︎ 72% | 9.5h ☀︎ 67% | 9.1h ☀︎ 62% | 6.7h ☀︎ 46% | 7.7h ☀︎ 57% | 8.1h ☀︎ 66% | 8.2h ☀︎ 73% | 7.3h ☀︎ 72% | 7.2h ☀︎ 74% |
| Wind | NW · 15 km/h | NW · 16 km/h | W · 17 km/h | W · 17 km/h | W · 17 km/h | W · 16 km/h | S · 15 km/h | S · 14 km/h | NE · 14 km/h | N · 13 km/h | NW · 15 km/h | NW · 15 km/h |
| Humidity (%) | 63% | 67% | 67% | 63% | 69% | 75% | 83% | 84% | 78% | 74% | 73% | 65% |
| Day length | 9.9h | 10.8h | 12.0h | 13.2h | 14.2h | 14.7h | 14.4h | 13.6h | 12.4h | 11.2h | 10.2h | 9.7h |