Common information
CountrySouth Korea
Population365 114
Weather, climate, temperature by months in Cheonan
| 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 | 13 | 17 | 22 | 31 | 31 | 35 | 36 | 36 | 36 |
| Average high, °C | 25 | 19 | 11 | 5 | 2 | 4 | 10 | 18 | 23 | 27 | 29 | 29 | 17 |
| Average temperature, °C | 19 | 13 | 6 | 0 | -3 | 0 | 4 | 11 | 16 | 21 | 24 | 25 | 11 |
| Average low, °C | 14 | 7 | 0 | -4 | -7 | -5 | -1 | 4 | 10 | 16 | 20 | 20 | 6 |
| Record low, °C | 2 | -3 | -11 | -22 | -27 | -21 | -10 | -5 | 2 | 8 | 13 | 12 | -27 |
| Rain, days | 9 | 8 | 11 | 8 | 4 | 5 | 8 | 10 | 9 | 11 | 16 | 15 | 114 |
| Snow, days | 0 | 0 | 2 | 8 | 9 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 28 |
| Fog, days | 21 | 23 | 19 | 22 | 22 | 18 | 21 | 19 | 20 | 23 | 23 | 20 | 251 |
| Thunderstorms, days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 4 | 3 | 13 |
| Average precipitation, mm. | 136 | 50 | 52 | 32 | 25 | 31 | 51 | 85 | 83 | 136 | 266 | 247 | 1194 |
| Relative humidity morning, % | 93 | 91 | 87 | 83 | 80 | 80 | 84 | 86 | 88 | 90 | 93 | 93 | 87 |
| Relative humidity evening, % | 60 | 54 | 58 | 62 | 60 | 57 | 53 | 49 | 52 | 60 | 70 | 68 | 59 |
| Wind speed, km/h | 8 | 6 | 6 | 6 | 8 | 9 | 12 | 12 | 12 | 8 | 8 | 8 | 9 |
| Day Length, часов | 13 | 12 | 11 | 10 | 11 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 |
| Dew point, °C | 16 | 8 | 2 | -4 | -8 | -6 | -1 | 5 | 10 | 16 | 21 | 21 | 80 |
| Growing degree-day, °C | 283 | 86 | 0 | 0 | 0 | 0 | 0 | 25 | 198 | 333 | 448 | 448 | 1821 |
| Solar radiation, global, Mj/m2 | 15 | 13 | 10 | 9 | 10 | 13 | 16 | 20 | 20 | 18 | 14 | 15 | 14 |