Average annual temperature is 12.6 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 176 days
Number of rainy days: 174 days
Number of snow days: 15 days
Look at detailed online map of Sap’yŏng
* Weather data for Sap’yŏng 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) | 12.9 | 13.3 | 21.6 | 25.8 | 29.2 | 31.5 | 31.6 | 32.7 | 28.2 | 21.4 | 23.0 | 16.0 |
| Average daytime temperature (°C) | 3.3 | 7.3 | 15.0 | 17.1 | 21.5 | 26.4 | 27.7 | 29.0 | 25.2 | 18.7 | 11.1 | 5.7 |
| Average temperature (°C) | -1.2 | 1.9 | 8.6 | 11.4 | 16.7 | 21.4 | 24.1 | 25.0 | 21.3 | 13.5 | 6.4 | 1.5 |
| Average night temperature (°C) | -4.8 | -1.9 | 3.5 | 6.3 | 12.3 | 17.1 | 21.4 | 21.8 | 18.0 | 9.4 | 2.2 | -1.8 |
| Absolute minimum temperature (°C) | -16.0 | -7.5 | -4.1 | -0.6 | 3.6 | 13.9 | 18.2 | 17.6 | 13.0 | 3.6 | -7.6 | -12.1 |
| 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) | 6.9 | 7.4 | 8.7 | 7.6 | 7.8 | 9.2 | 7.1 | 9.3 | 7.4 | 8.8 | 7.4 | 6.1 |
| Precipitation (mm) | 47 | 23 | 36 | 84 | 146 | 231 | 422 | 299 | 194 | 10 | 83 | 119 |
| Sunny days | 22 | 17 | 22 | 13 | 14 | 14 | 3 | 5 | 9 | 23 | 18 | 16 |
| Rainy days | 4 | 8 | 9 | 17 | 17 | 16 | 28 | 26 | 21 | 8 | 11 | 9 |
| Snow days | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Sap’yŏng is at