Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 186 days
Number of rainy days: 162 days
Number of snow days: 17 days
Look at detailed online map of Chŏlmae
* Weather data for Chŏlmae 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) | 11.5 | 12.4 | 23.1 | 23.8 | 29.3 | 30.3 | 32.3 | 33.1 | 29.6 | 21.3 | 22.1 | 15.4 |
| Average daytime temperature (°C) | 1.6 | 6.4 | 14.4 | 16.5 | 21.9 | 26.0 | 28.5 | 29.0 | 25.1 | 18.0 | 9.4 | 3.4 |
| Average temperature (°C) | -2.7 | 0.7 | 7.5 | 11.0 | 16.6 | 20.9 | 24.4 | 24.8 | 20.7 | 12.3 | 4.6 | -0.6 |
| Average night temperature (°C) | -6.7 | -3.3 | 1.4 | 5.7 | 11.1 | 16.4 | 20.9 | 21.4 | 17.1 | 7.4 | 0.3 | -3.9 |
| Absolute minimum temperature (°C) | -17.5 | -6.9 | -5.7 | -1.5 | 2.4 | 12.1 | 17.0 | 14.0 | 10.2 | 2.0 | -8.8 | -14.9 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 7.0 | 7.9 | 9.3 | 8.2 | 9.2 | 9.8 | 7.7 | 9.0 | 7.3 | 8.5 | 7.2 | 5.9 |
| Precipitation (mm) | 33 | 4 | 25 | 93 | 123 | 187 | 502 | 308 | 215 | 33 | 63 | 81 |
| Sunny days | 21 | 22 | 22 | 14 | 19 | 10 | 7 | 8 | 10 | 19 | 16 | 18 |
| Rainy days | 3 | 3 | 9 | 16 | 12 | 20 | 24 | 23 | 20 | 12 | 12 | 8 |
| Snow days | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Chŏlmae is at