Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 175 days
Number of rainy days: 180 days
Number of snow days: 10 days
Look at detailed online map of Sannam
* Weather data for Sannam 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) | 16.2 | 13.1 | 24.0 | 26.3 | 31.9 | 34.7 | 32.3 | 34.2 | 30.0 | 22.4 | 23.3 | 17.8 |
| Average daytime temperature (°C) | 4.8 | 8.6 | 17.1 | 19.1 | 23.5 | 28.5 | 28.5 | 30.2 | 26.5 | 19.5 | 12.2 | 7.0 |
| Average temperature (°C) | -0.1 | 2.4 | 9.5 | 12.8 | 17.9 | 22.5 | 24.8 | 25.7 | 22.0 | 13.8 | 7.0 | 2.7 |
| Average night temperature (°C) | -4.4 | -2.6 | 3.1 | 6.9 | 12.7 | 17.7 | 21.6 | 21.9 | 18.1 | 8.8 | 2.3 | -0.8 |
| Absolute minimum temperature (°C) | -13.4 | -7.0 | -5.1 | -1.0 | 3.8 | 13.3 | 18.2 | 17.7 | 11.9 | 4.0 | -5.4 | -10.1 |
| 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) | 7.0 | 7.3 | 8.9 | 7.8 | 7.9 | 9.2 | 6.9 | 9.7 | 7.8 | 8.7 | 7.7 | 5.9 |
| Precipitation (mm) | 46 | 25 | 48 | 91 | 168 | 217 | 473 | 263 | 181 | 16 | 107 | 101 |
| Sunny days | 19 | 21 | 21 | 12 | 16 | 14 | 1 | 6 | 9 | 23 | 18 | 15 |
| Rainy days | 7 | 7 | 10 | 18 | 15 | 16 | 30 | 25 | 21 | 8 | 12 | 11 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Sannam is at