Average annual temperature is 14.8 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 207 days
Number of rainy days: 155 days
Number of snow days: 3 days
Look at detailed online map of Sammyŏng
* Weather data for Sammyŏng 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) | 16.8 | 16.8 | 24.8 | 27.3 | 34.6 | 36.0 | 35.0 | 37.1 | 30.5 | 24.6 | 27.7 | 18.9 |
| Average daytime temperature (°C) | 6.7 | 10.2 | 18.7 | 20.4 | 24.5 | 30.0 | 30.5 | 31.7 | 27.3 | 21.4 | 14.2 | 8.3 |
| Average temperature (°C) | 1.1 | 4.2 | 11.2 | 14.0 | 18.8 | 23.8 | 26.2 | 27.3 | 23.1 | 15.5 | 8.4 | 3.4 |
| Average night temperature (°C) | -3.2 | -0.8 | 5.0 | 8.2 | 14.0 | 19.0 | 23.2 | 23.9 | 19.5 | 10.5 | 3.6 | -0.6 |
| Absolute minimum temperature (°C) | -12.4 | -4.2 | -4.2 | 1.2 | 6.9 | 15.0 | 18.8 | 21.4 | 13.5 | 6.2 | -4.2 | -9.1 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 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) | 7.8 | 7.6 | 9.1 | 8.4 | 8.2 | 9.6 | 7.5 | 9.7 | 7.8 | 8.9 | 7.9 | 6.8 |
| Precipitation (mm) | 31 | 17 | 35 | 62 | 124 | 129 | 293 | 288 | 162 | 9 | 49 | 72 |
| Sunny days | 25 | 21 | 21 | 18 | 17 | 13 | 5 | 7 | 10 | 25 | 22 | 23 |
| Rainy days | 5 | 7 | 10 | 12 | 14 | 17 | 26 | 24 | 20 | 6 | 7 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Sammyŏng is at