Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 158 days
Number of rainy days: 192 days
Number of snow days: 15 days
Look at detailed online map of Sip’yŏng
* Weather data for Sip’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) | 15.6 | 12.2 | 22.2 | 24.9 | 30.0 | 32.2 | 32.6 | 33.8 | 30.2 | 21.9 | 23.5 | 17.8 |
| Average daytime temperature (°C) | 3.4 | 7.0 | 15.3 | 17.7 | 22.5 | 26.9 | 28.4 | 29.9 | 26.3 | 19.2 | 11.1 | 5.6 |
| Average temperature (°C) | -1.1 | 1.5 | 8.5 | 12.0 | 17.2 | 21.5 | 24.6 | 25.5 | 21.8 | 14.0 | 6.5 | 1.8 |
| Average night temperature (°C) | -5.0 | -2.3 | 3.4 | 7.2 | 12.7 | 17.4 | 21.9 | 22.3 | 18.5 | 9.6 | 2.4 | -1.6 |
| Absolute minimum temperature (°C) | -16.0 | -7.3 | -3.7 | 0.3 | 5.7 | 13.9 | 18.2 | 18.3 | 12.8 | 5.9 | -7.4 | -13.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.0 | 7.4 | 9.1 | 7.5 | 8.3 | 9.4 | 6.9 | 9.4 | 7.5 | 8.7 | 7.1 | 5.9 |
| Precipitation (mm) | 51 | 12 | 44 | 85 | 186 | 195 | 579 | 330 | 256 | 17 | 78 | 136 |
| Sunny days | 14 | 21 | 22 | 13 | 14 | 8 | 1 | 4 | 7 | 23 | 17 | 14 |
| Rainy days | 8 | 6 | 9 | 17 | 17 | 22 | 30 | 27 | 23 | 8 | 13 | 12 |
| Snow days | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Sip’yŏng is at