Average annual temperature is 13.2 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -15.6 °C
Number of sunny days: 189 days
Number of rainy days: 174 days
Number of snow days: 2 days
Look at detailed online map of Naesan
* Weather data for Naesan 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) | 14.7 | 14.0 | 22.1 | 25.1 | 31.8 | 32.7 | 33.3 | 35.2 | 28.7 | 22.1 | 24.5 | 16.8 |
| Average daytime temperature (°C) | 4.0 | 7.6 | 15.8 | 17.7 | 22.1 | 27.4 | 28.6 | 29.7 | 25.4 | 19.2 | 11.6 | 5.9 |
| Average temperature (°C) | -0.6 | 2.4 | 9.6 | 12.2 | 17.1 | 21.9 | 24.7 | 25.5 | 21.5 | 14.5 | 6.9 | 1.9 |
| Average night temperature (°C) | -4.3 | -1.6 | 4.7 | 7.5 | 13.1 | 17.9 | 22.0 | 22.5 | 18.4 | 10.6 | 2.7 | -1.2 |
| Absolute minimum temperature (°C) | -15.6 | -6.9 | -3.3 | 1.3 | 5.6 | 14.1 | 17.0 | 20.2 | 14.3 | 5.6 | -6.9 | -12.2 |
| 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 | 14.5 | 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) | 7.8 | 7.5 | 9.1 | 8.4 | 8.3 | 9.6 | 7.6 | 9.5 | 7.7 | 8.8 | 7.8 | 6.8 |
| Precipitation (mm) | 35 | 21 | 45 | 70 | 135 | 141 | 332 | 327 | 193 | 8 | 49 | 76 |
| Sunny days | 24 | 20 | 22 | 17 | 15 | 11 | 2 | 5 | 7 | 23 | 21 | 22 |
| Rainy days | 6 | 8 | 9 | 13 | 16 | 19 | 29 | 26 | 23 | 8 | 9 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Naesan is at