Common information
CountrySouth Korea
Population1 242 724
Weather, climate, temperature by months in Suwon-si
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 32 | 28 | 22 | 17 | 12 | 18 | 20 | 28 | 32 | 35 | 37 | 37 | 37 |
| Average high, °C | 25 | 19 | 11 | 4 | 1 | 3 | 9 | 17 | 22 | 26 | 28 | 29 | 16 |
| Average temperature, °C | 20 | 13 | 5 | 0 | -3 | -1 | 4 | 11 | 16 | 21 | 24 | 25 | 11 |
| Average low, °C | 15 | 7 | 0 | -5 | -8 | -6 | -1 | 4 | 10 | 16 | 21 | 21 | 6 |
| Record low, °C | 3 | -2 | -11 | -22 | -26 | -20 | -11 | -2 | 1 | 8 | 13 | 12 | -26 |
| Rain, days | 10 | 9 | 10 | 7 | 4 | 5 | 9 | 10 | 10 | 12 | 18 | 15 | 119 |
| Snow, days | 0 | 0 | 2 | 7 | 9 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 27 |
| Fog, days | 23 | 25 | 24 | 26 | 25 | 22 | 25 | 24 | 25 | 26 | 27 | 24 | 296 |
| Thunderstorms, days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 4 | 4 | 16 |
| Average precipitation, mm. | 148 | 55 | 54 | 23 | 25 | 30 | 47 | 92 | 87 | 119 | 336 | 280 | 1296 |
| Relative humidity morning, % | 92 | 91 | 88 | 85 | 84 | 84 | 87 | 88 | 89 | 91 | 94 | 93 | 89 |
| Relative humidity evening, % | 58 | 53 | 58 | 61 | 62 | 59 | 52 | 51 | 53 | 59 | 69 | 67 | 59 |
| Wind speed, km/h | 6 | 12 | 12 | 14 | 12 | 16 | 14 | 16 | 12 | 8 | 8 | 6 | 11 |
| Day Length, часов | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 |
| Dew point, °C | 16 | 8 | 1 | -4 | -7 | -5 | 0 | 5 | 11 | 16 | 21 | 21 | 83 |
| Growing degree-day, °C | 300 | 86 | 0 | 0 | 0 | 0 | 0 | 8 | 181 | 317 | 439 | 456 | 1788 |
| Solar radiation, global, Mj/m2 | 15 | 13 | 10 | 9 | 10 | 13 | 16 | 20 | 20 | 18 | 14 | 15 | 14 |