Average annual temperature is 11.5 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 178 days
Number of rainy days: 174 days
Number of snow days: 13 days
Look at detailed online map of Tumun
* Weather data for Tumun 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) | 13.3 | 11.4 | 20.4 | 23.6 | 30.0 | 30.1 | 31.8 | 32.0 | 26.5 | 19.6 | 22.2 | 15.0 |
| Average daytime temperature (°C) | 1.7 | 5.7 | 13.6 | 15.5 | 20.2 | 25.0 | 26.9 | 27.6 | 23.3 | 17.1 | 9.5 | 3.7 |
| Average temperature (°C) | -2.3 | 0.9 | 7.8 | 10.4 | 15.5 | 20.1 | 23.1 | 23.8 | 19.8 | 12.7 | 5.1 | 0.0 |
| Average night temperature (°C) | -5.9 | -2.6 | 3.1 | 6.2 | 11.5 | 16.2 | 20.5 | 21.0 | 17.1 | 9.4 | 0.9 | -3.0 |
| Absolute minimum temperature (°C) | -18.2 | -8.3 | -6.0 | -0.8 | 3.9 | 13.1 | 16.4 | 18.8 | 12.1 | 3.1 | -9.4 | -14.7 |
| 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 | 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 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.5 | 9.0 | 8.5 | 8.6 | 9.7 | 7.9 | 9.2 | 7.4 | 8.8 | 8.0 | 7.0 |
| Precipitation (mm) | 42 | 18 | 57 | 61 | 152 | 177 | 378 | 233 | 261 | 6 | 38 | 112 |
| Sunny days | 24 | 16 | 19 | 14 | 16 | 8 | 2 | 5 | 9 | 23 | 22 | 20 |
| Rainy days | 4 | 6 | 12 | 16 | 15 | 22 | 29 | 26 | 21 | 8 | 7 | 8 |
| Snow days | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Tumun is at