Average annual temperature is 14.1 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 174 days
Number of rainy days: 178 days
Number of snow days: 13 days
Look at detailed online map of Naejangsan
* Weather data for Naejangsan 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) | 15.6 | 12.6 | 23.7 | 26.1 | 30.3 | 35.9 | 32.1 | 34.4 | 30.8 | 22.7 | 24.3 | 18.5 |
| Average daytime temperature (°C) | 5.4 | 8.2 | 16.6 | 19.1 | 23.6 | 28.3 | 28.9 | 30.6 | 27.1 | 20.2 | 13.0 | 7.9 |
| Average temperature (°C) | 0.4 | 2.5 | 9.2 | 13.0 | 18.1 | 22.6 | 25.5 | 26.5 | 22.9 | 15.1 | 8.4 | 3.9 |
| Average night temperature (°C) | -4.0 | -1.7 | 3.4 | 7.7 | 13.3 | 18.4 | 22.9 | 23.0 | 19.4 | 10.7 | 4.2 | 0.4 |
| Absolute minimum temperature (°C) | -12.7 | -5.1 | -4.3 | 0.6 | 6.0 | 13.7 | 18.6 | 18.5 | 14.1 | 5.8 | -2.7 | -9.6 |
| 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 | 7.2 | 8.7 | 7.3 | 7.5 | 8.6 | 6.2 | 9.5 | 7.7 | 8.3 | 7.0 | 5.4 |
| Precipitation (mm) | 59 | 22 | 46 | 101 | 189 | 214 | 485 | 210 | 207 | 15 | 94 | 88 |
| Sunny days | 20 | 23 | 23 | 11 | 14 | 15 | 2 | 3 | 10 | 22 | 18 | 13 |
| Rainy days | 7 | 5 | 8 | 19 | 17 | 15 | 29 | 28 | 20 | 9 | 11 | 10 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The best time to visit Naejangsan during the most sunny months:
The largest precipitation sum in Naejangsan is at