Common information
CountrySouth Korea
Population634 596
Weather, climate, temperature by months in Cheongju-si
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 32 | 27 | 22 | 17 | 13 | 19 | 21 | 30 | 31 | 35 | 37 | 36 | 37 |
| Average high, °C | 25 | 19 | 11 | 4 | 1 | 3 | 10 | 18 | 23 | 26 | 28 | 29 | 16 |
| Average temperature, °C | 20 | 13 | 6 | 0 | -2 | 0 | 5 | 12 | 17 | 22 | 25 | 25 | 12 |
| Average low, °C | 15 | 8 | 1 | -4 | -7 | -4 | 0 | 6 | 11 | 17 | 21 | 21 | 7 |
| Record low, °C | 5 | -3 | -9 | -18 | -21 | 0 | -11 | -4 | 2 | 7 | 12 | 12 | -21 |
| Rain, days | 10 | 9 | 10 | 6 | 4 | 6 | 9 | 12 | 11 | 13 | 18 | 15 | 123 |
| Snow, days | 0 | 0 | 2 | 7 | 9 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 28 |
| Fog, days | 19 | 21 | 18 | 19 | 18 | 14 | 15 | 14 | 15 | 18 | 16 | 15 | 202 |
| Thunderstorms, days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 |
| Average precipitation, mm. | 143 | 46 | 49 | 27 | 30 | 33 | 51 | 81 | 86 | 138 | 275 | 249 | 1208 |
| Relative humidity morning, % | 93 | 92 | 88 | 86 | 83 | 83 | 86 | 87 | 88 | 90 | 91 | 91 | 88 |
| Relative humidity evening, % | 54 | 46 | 51 | 53 | 51 | 48 | 44 | 40 | 44 | 53 | 65 | 62 | 51 |
| Wind speed, km/h | 4 | 6 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 6 | 6 | 4 | 7 |
| Day Length, часов | 13 | 12 | 11 | 10 | 11 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 |
| Dew point, °C | 15 | 7 | 1 | -5 | -8 | -6 | -1 | 3 | 10 | 16 | 20 | 21 | 73 |
| Growing degree-day, °C | 317 | 121 | 0 | 0 | 0 | 0 | 0 | 67 | 233 | 358 | 474 | 482 | 2051 |
| Solar radiation, global, Mj/m2 | 15 | 13 | 10 | 9 | 10 | 13 | 16 | 20 | 20 | 18 | 14 | 15 | 14 |