Weather World
Seongnam Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 34°F Lo 22°F | Hi 41°F Lo 27°F | Hi 52°F Lo 36°F | Hi 64°F Lo 45°F | Hi 74°F Lo 54°F | Hi 82°F Lo 64°F | Hi 85°F Lo 71°F | Hi 86°F Lo 72°F | Hi 79°F Lo 63°F | Hi 67°F Lo 51°F | Hi 53°F Lo 40°F | Hi 37°F Lo 26°F |
| 5 mph | 5 mph | 6 mph | 6 mph | 5 mph | 4 mph | 5 mph | 4 mph | 4 mph | 4 mph | 5 mph | 5 mph |
| 0.8 in | 1.1 in | 2 in | 3.5 in | 4.9 in | 5.3 in | 15.9 in | 11.7 in | 5.7 in | 2.7 in | 2.4 in | 1 in |
| 59% | 57% | 55% | 56% | 63% | 69% | 80% | 79% | 73% | 65% | 61% | 60% |
| 33% | 32% | 32% | 32% | 31% | 36% | 56% | 49% | 37% | 28% | 34% | 34% |
| 30.3 in | 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.8 in | 29.7 in | 29.8 in | 29.9 in | 30.1 in | 30.2 in | 30.2 in |
| 26 | 24 | 26 | 25 | 25 | 23 | 18 | 19 | 25 | 27 | 26 | 24 |
| 3 | 3 | 4 | 5 | 6 | 7 | 13 | 12 | 5 | 4 | 4 | 4 |
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 1 | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 2 | 2 |
| 230 | 215 | 234 | 224 | 245 | 222 | 124 | 150 | 205 | 238 | 216 | 219 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 1°C Lo -6°C | Hi 5°C Lo -3°C | Hi 11°C Lo 2°C | Hi 18°C Lo 7°C | Hi 23°C Lo 12°C | Hi 28°C Lo 18°C | Hi 29°C Lo 22°C | Hi 30°C Lo 22°C | Hi 26°C Lo 17°C | Hi 20°C Lo 11°C | Hi 12°C Lo 4°C | Hi 3°C Lo -4°C |
| 8 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 8 km/h | 9 km/h |
| 20 mm | 28 mm | 50 mm | 88 mm | 123 mm | 134 mm | 404 mm | 298 mm | 146 mm | 68 mm | 61 mm | 26 mm |
| 59% | 57% | 55% | 56% | 63% | 69% | 80% | 79% | 73% | 65% | 61% | 60% |
| 33% | 32% | 32% | 32% | 31% | 36% | 56% | 49% | 37% | 28% | 34% | 34% |
| 1025 mb | 1024 mb | 1020 mb | 1015 mb | 1012 mb | 1008 mb | 1007 mb | 1008 mb | 1014 mb | 1020 mb | 1022 mb | 1024 mb |
| 26 | 24 | 26 | 25 | 25 | 23 | 18 | 19 | 25 | 27 | 26 | 24 |
| 3 | 3 | 4 | 5 | 6 | 7 | 13 | 12 | 5 | 4 | 4 | 4 |
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 1 | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 2 | 2 |
| 230 | 215 | 234 | 224 | 245 | 222 | 124 | 150 | 205 | 238 | 216 | 219 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.