Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -18.4 °C
Number of sunny days: 188 days
Number of rainy days: 158 days
Number of snow days: 19 days
Look at detailed online map of Hannam
* Weather data for Hannam 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) | 12.1 | 12.5 | 24.0 | 23.5 | 29.7 | 31.0 | 32.5 | 33.6 | 28.5 | 21.0 | 22.5 | 16.1 |
| Average daytime temperature (°C) | 1.5 | 6.7 | 14.7 | 17.0 | 22.4 | 26.1 | 28.5 | 29.3 | 25.2 | 18.1 | 9.6 | 3.7 |
| Average temperature (°C) | -3.4 | 0.4 | 7.3 | 10.9 | 16.6 | 20.9 | 24.2 | 24.8 | 20.6 | 12.0 | 4.1 | -0.8 |
| Average night temperature (°C) | -7.6 | -3.8 | 0.8 | 5.0 | 11.0 | 16.0 | 20.7 | 21.2 | 17.0 | 7.0 | -0.5 | -4.4 |
| Absolute minimum temperature (°C) | -18.4 | -7.2 | -5.5 | -2.5 | 2.8 | 10.6 | 17.3 | 14.6 | 10.4 | 0.1 | -9.1 | -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 | 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 | 9.7 |
| 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 | 8.0 | 9.2 | 8.0 | 9.0 | 9.7 | 7.5 | 9.2 | 7.3 | 8.3 | 7.3 | 5.9 |
| Precipitation (mm) | 31 | 4 | 20 | 99 | 149 | 216 | 616 | 335 | 222 | 18 | 67 | 89 |
| Sunny days | 20 | 23 | 22 | 15 | 19 | 11 | 5 | 6 | 10 | 21 | 18 | 18 |
| Rainy days | 3 | 1 | 9 | 15 | 12 | 19 | 26 | 25 | 20 | 10 | 10 | 8 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Hannam is at