Average annual temperature is 12.6 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -16.5 °C
Number of sunny days: 199 days
Number of rainy days: 160 days
Number of snow days: 6 days
Look at detailed online map of Cheonju
* Weather data for Cheonju South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.6 | 12.2 | 23.3 | 25.0 | 33.6 | 33.5 | 33.3 | 34.5 | 29.5 | 22.0 | 23.9 | 15.4 |
| Average daytime temperature (°C) | 3.0 | 7.4 | 16.5 | 18.6 | 24.0 | 28.2 | 29.2 | 30.1 | 25.8 | 19.4 | 11.0 | 4.9 |
| Average temperature (°C) | -2.0 | 1.3 | 8.9 | 12.2 | 18.1 | 22.5 | 24.7 | 25.6 | 21.3 | 12.6 | 5.2 | -0.1 |
| Average night temperature (°C) | -6.1 | -3.3 | 1.9 | 6.1 | 12.4 | 17.8 | 21.1 | 21.8 | 17.3 | 7.1 | -0.1 | -3.9 |
| Absolute minimum temperature (°C) | -16.5 | -6.8 | -4.5 | 0.0 | 2.6 | 13.9 | 17.3 | 16.0 | 12.0 | 1.3 | -8.0 | -13.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.8 | 9.2 | 8.5 | 8.7 | 10.0 | 7.9 | 9.3 | 7.8 | 8.8 | 7.8 | 6.5 |
| Precipitation (mm) | 27 | 11 | 36 | 70 | 146 | 254 | 440 | 315 | 229 | 14 | 56 | 87 |
| Sunny days | 24 | 20 | 24 | 15 | 20 | 10 | 3 | 7 | 13 | 24 | 18 | 21 |
| Rainy days | 5 | 7 | 7 | 15 | 11 | 20 | 28 | 24 | 17 | 7 | 12 | 7 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Cheonju is at