Average annual temperature is 8.7 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -26.5 °C
Number of sunny days: 196 days
Number of rainy days: 134 days
Number of snow days: 35 days
Look at detailed online map of Chŏnsan
* Weather data for Chŏnsan North 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) | 7.5 | 10.5 | 16.7 | 17.3 | 24.3 | 29.7 | 31.4 | 30.7 | 28.4 | 21.3 | 16.0 | 6.8 |
| Average daytime temperature (°C) | -3.4 | -0.3 | 7.5 | 11.9 | 18.5 | 22.4 | 25.6 | 25.3 | 22.8 | 17.0 | 6.4 | -2.2 |
| Average temperature (°C) | -7.0 | -4.7 | 3.0 | 7.6 | 14.2 | 18.9 | 22.5 | 22.9 | 18.9 | 11.3 | 2.2 | -6.2 |
| Average night temperature (°C) | -11.2 | -10.0 | -1.3 | 3.4 | 9.9 | 15.6 | 19.8 | 20.8 | 15.3 | 6.3 | -1.4 | -9.6 |
| Absolute minimum temperature (°C) | -26.5 | -17.6 | -9.1 | -1.9 | 4.7 | 11.8 | 16.0 | 16.0 | 9.4 | 2.2 | -11.4 | -22.0 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 7.5 | 9.2 | 8.6 | 10.5 | 9.5 | 9.5 | 5.0 | 9.5 | 9.2 | 6.0 | 5.1 |
| Precipitation (mm) | 29 | 19 | 23 | 58 | 31 | 136 | 128 | 469 | 22 | 4 | 62 | 29 |
| Sunny days | 15 | 17 | 21 | 17 | 19 | 10 | 10 | 4 | 17 | 25 | 20 | 21 |
| Rainy days | 1 | 2 | 8 | 13 | 12 | 20 | 21 | 27 | 13 | 6 | 8 | 3 |
| Snow days | 15 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The best time to visit Chŏnsan during the most sunny months:
The largest precipitation sum in Chŏnsan is at