Average annual temperature is 13.2 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 180 days
Number of rainy days: 172 days
Number of snow days: 13 days
Look at detailed online map of Sanjŏ
* Weather data for Sanjŏ 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) | 12.8 | 9.7 | 24.7 | 25.1 | 28.7 | 33.3 | 31.8 | 34.3 | 31.0 | 23.2 | 22.2 | 15.7 |
| Average daytime temperature (°C) | 3.1 | 5.7 | 12.8 | 17.1 | 22.4 | 25.6 | 28.2 | 29.6 | 26.3 | 19.5 | 11.3 | 5.9 |
| Average temperature (°C) | -0.8 | 1.3 | 7.4 | 12.2 | 17.6 | 21.4 | 25.2 | 25.9 | 22.4 | 15.4 | 7.8 | 2.4 |
| Average night temperature (°C) | -4.7 | -2.2 | 2.7 | 8.2 | 13.6 | 18.2 | 22.8 | 22.8 | 19.3 | 11.2 | 3.8 | -1.1 |
| Absolute minimum temperature (°C) | -12.7 | -6.3 | -2.4 | 2.7 | 5.3 | 14.7 | 20.0 | 18.0 | 15.0 | 6.6 | -3.2 | -9.7 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.2 | 8.4 | 9.3 | 8.0 | 8.5 | 9.8 | 7.9 | 9.1 | 7.4 | 8.3 | 6.7 | 4.4 |
| Precipitation (mm) | 35 | 2 | 9 | 87 | 128 | 144 | 427 | 254 | 192 | 15 | 88 | 78 |
| Sunny days | 20 | 25 | 24 | 17 | 19 | 13 | 4 | 6 | 9 | 18 | 10 | 15 |
| Rainy days | 6 | 3 | 7 | 13 | 12 | 17 | 27 | 25 | 21 | 13 | 19 | 9 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The largest precipitation sum in Sanjŏ is at