Average annual temperature is 9.6 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -23.0 °C
Number of sunny days: 166 days
Number of rainy days: 179 days
Number of snow days: 20 days
Look at detailed online map of Imsan
* Weather data for Imsan 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) | 6.7 | 8.2 | 19.2 | 22.4 | 25.6 | 30.1 | 30.7 | 30.5 | 28.2 | 18.9 | 19.6 | 11.8 |
| Average daytime temperature (°C) | -2.3 | 3.2 | 11.3 | 14.3 | 20.0 | 23.8 | 26.6 | 26.6 | 23.3 | 15.8 | 6.1 | 0.2 |
| Average temperature (°C) | -6.7 | -1.9 | 5.3 | 9.1 | 15.1 | 19.3 | 22.9 | 22.8 | 19.2 | 11.3 | 1.7 | -3.5 |
| Average night temperature (°C) | -11.9 | -5.3 | 0.2 | 4.7 | 10.5 | 15.2 | 20.0 | 19.5 | 15.9 | 7.6 | -2.0 | -6.8 |
| Absolute minimum temperature (°C) | -23.0 | -9.7 | -7.8 | -2.2 | 4.6 | 11.7 | 17.2 | 15.9 | 9.4 | 0.6 | -11.9 | -19.7 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.1 | 8.4 | 9.3 | 7.1 | 9.2 | 9.6 | 7.9 | 7.7 | 7.5 | 8.2 | 6.7 | 6.0 |
| Precipitation (mm) | 56 | 2 | 28 | 136 | 146 | 224 | 448 | 322 | 129 | 29 | 125 | 101 |
| Sunny days | 19 | 23 | 22 | 11 | 17 | 6 | 4 | 4 | 10 | 16 | 16 | 18 |
| Rainy days | 3 | 0 | 9 | 19 | 14 | 24 | 27 | 27 | 20 | 15 | 12 | 9 |
| Snow days | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Imsan is at