Weather in Ulsan, South Korea
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -1°C | 7°C | 27.7 mm | 35% | 44.5 km/h |
| February | 1°C | 9°C | 49.3 mm | 46% | 45.0 km/h |
| March | 6°C | 14°C | 84.9 mm | 55% | 44.5 km/h |
| April | 10°C | 19°C | 76.7 mm | 55% | 43.6 km/h |
| May | 14°C | 22°C | 115.2 mm | 58% | 42.5 km/h |
| June | 20°C | 25°C | 145.2 mm | 71% | 38.6 km/h |
| July | 24°C | 29°C | 176.9 mm | 70% | 39.1 km/h |
| August | 25°C | 30°C | 224.3 mm | 63% | 39.0 km/h |
| September | 22°C | 26°C | 202.0 mm | 70% | 41.1 km/h |
| October | 15°C | 21°C | 101.7 mm | 56% | 37.5 km/h |
| November | 8°C | 16°C | 54.5 mm | 35% | 40.2 km/h |
| December | 1°C | 9°C | 25.5 mm | 33% | 45.0 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.4% | |
| March | 3.2% | |
| April | 15.3% | |
| May | 34.9% | |
| June | 28.4% | |
| July | 6.7% | |
| August | 5.4% | |
| September | 20.9% | |
| October | 29.9% | |
| November | 12.1% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 881,858
- Elevation
- 118 m
- Coordinates
- 35.53°N, 129.35°E
- Urban area
- 200 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated