Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -17.9 °C
Number of sunny days: 188 days
Number of rainy days: 161 days
Number of snow days: 16 days
Look at detailed online map of Ttettŭl
* Weather data for Ttettŭl 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) | 11.7 | 10.8 | 23.9 | 25.6 | 30.3 | 32.3 | 33.0 | 34.1 | 30.5 | 21.4 | 22.6 | 15.5 |
| Average daytime temperature (°C) | 1.6 | 6.5 | 14.8 | 17.8 | 23.4 | 26.7 | 29.3 | 29.8 | 26.0 | 18.3 | 9.5 | 3.9 |
| Average temperature (°C) | -3.0 | 0.6 | 8.0 | 11.7 | 17.5 | 21.6 | 25.1 | 25.5 | 21.5 | 12.8 | 4.7 | -0.1 |
| Average night temperature (°C) | -7.2 | -3.7 | 1.4 | 6.1 | 11.8 | 16.7 | 21.6 | 21.7 | 17.8 | 8.1 | 0.2 | -3.6 |
| Absolute minimum temperature (°C) | -17.9 | -7.2 | -5.5 | -0.7 | 2.2 | 13.1 | 18.4 | 15.8 | 11.6 | 2.9 | -8.3 | -14.4 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.9 | 8.2 | 9.2 | 7.6 | 9.1 | 9.3 | 7.7 | 8.4 | 7.6 | 8.0 | 7.0 | 5.9 |
| Precipitation (mm) | 38 | 3 | 23 | 94 | 136 | 244 | 430 | 330 | 171 | 29 | 67 | 87 |
| Sunny days | 19 | 24 | 25 | 14 | 20 | 8 | 6 | 7 | 10 | 22 | 16 | 17 |
| Rainy days | 5 | 3 | 6 | 16 | 11 | 22 | 25 | 24 | 20 | 9 | 12 | 8 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The largest precipitation sum in Ttettŭl is at