Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 195 days
Number of rainy days: 165 days
Number of snow days: 5 days
Look at detailed online map of Injŏn
* Weather data for Injŏn 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) | 15.6 | 15.2 | 24.5 | 27.7 | 29.4 | 33.0 | 33.8 | 35.0 | 30.3 | 23.7 | 24.7 | 19.2 |
| Average daytime temperature (°C) | 6.4 | 10.3 | 17.6 | 19.1 | 22.9 | 27.4 | 29.2 | 30.7 | 27.0 | 21.2 | 14.3 | 8.6 |
| Average temperature (°C) | 1.3 | 4.6 | 11.0 | 13.7 | 17.9 | 22.4 | 25.7 | 27.0 | 23.2 | 15.7 | 8.8 | 3.9 |
| Average night temperature (°C) | -3.0 | -0.2 | 5.6 | 8.5 | 13.4 | 18.5 | 22.8 | 24.0 | 19.8 | 10.7 | 4.3 | -0.2 |
| Absolute minimum temperature (°C) | -13.2 | -4.6 | -2.4 | 2.0 | 7.1 | 15.0 | 19.4 | 22.1 | 15.2 | 6.1 | -4.5 | -9.1 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.7 | 8.8 | 8.0 | 7.8 | 8.5 | 7.0 | 9.3 | 7.7 | 8.8 | 8.1 | 7.1 |
| Precipitation (mm) | 52 | 36 | 77 | 76 | 222 | 218 | 330 | 319 | 235 | 6 | 32 | 71 |
| Sunny days | 26 | 19 | 20 | 16 | 14 | 12 | 4 | 8 | 8 | 26 | 23 | 19 |
| Rainy days | 4 | 9 | 11 | 14 | 17 | 18 | 27 | 23 | 22 | 5 | 7 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Injŏn is at