Average annual temperature is 12.5 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -19.0 °C
Number of sunny days: 179 days
Number of rainy days: 174 days
Number of snow days: 12 days
Look at detailed online map of Hyeonsan
* Weather data for Hyeonsan 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) | 11.3 | 11.2 | 24.3 | 26.8 | 30.8 | 35.3 | 33.4 | 33.9 | 30.4 | 22.0 | 22.9 | 16.1 |
| Average daytime temperature (°C) | 1.7 | 6.3 | 15.3 | 18.5 | 23.8 | 27.2 | 29.1 | 29.7 | 26.0 | 18.7 | 9.5 | 4.1 |
| Average temperature (°C) | -3.1 | 0.5 | 8.2 | 12.3 | 17.9 | 22.1 | 25.2 | 25.6 | 21.9 | 13.5 | 4.8 | 0.0 |
| Average night temperature (°C) | -7.7 | -3.5 | 2.3 | 7.1 | 12.5 | 17.6 | 22.2 | 22.1 | 18.3 | 8.7 | 0.4 | -3.7 |
| Absolute minimum temperature (°C) | -19.0 | -7.1 | -4.3 | 0.6 | 4.9 | 13.1 | 20.2 | 17.1 | 12.5 | 2.6 | -8.2 | -14.8 |
| 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 | 14.4 | 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) | 7.1 | 8.3 | 9.2 | 7.8 | 8.7 | 9.4 | 7.3 | 8.4 | 7.3 | 8.1 | 7.1 | 5.8 |
| Precipitation (mm) | 34 | 2 | 19 | 103 | 127 | 212 | 422 | 315 | 211 | 42 | 120 | 81 |
| Sunny days | 20 | 23 | 21 | 14 | 18 | 11 | 4 | 6 | 8 | 20 | 17 | 17 |
| Rainy days | 5 | 3 | 10 | 16 | 13 | 19 | 27 | 25 | 22 | 11 | 12 | 11 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Hyeonsan is at