Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 189 days
Number of rainy days: 172 days
Number of snow days: 4 days
Look at detailed online map of Hamasan
* Weather data for Hamasan 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) | 16.6 | 15.5 | 23.9 | 28.2 | 33.3 | 33.9 | 34.2 | 35.1 | 31.2 | 23.4 | 26.1 | 19.3 |
| Average daytime temperature (°C) | 5.2 | 8.9 | 16.3 | 18.4 | 22.7 | 27.2 | 30.0 | 30.0 | 25.9 | 20.6 | 13.3 | 7.4 |
| Average temperature (°C) | 1.0 | 4.1 | 10.7 | 13.8 | 18.3 | 22.9 | 26.4 | 26.7 | 22.8 | 15.8 | 8.6 | 3.5 |
| Average night temperature (°C) | -2.7 | 0.4 | 6.1 | 9.4 | 14.2 | 19.3 | 23.5 | 23.8 | 19.9 | 11.8 | 4.1 | 0.0 |
| Absolute minimum temperature (°C) | -14.7 | -4.8 | -2.4 | 3.0 | 6.8 | 15.9 | 19.4 | 21.6 | 14.7 | 6.7 | -5.8 | -10.8 |
| 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 | 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 | 14.4 | 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) | 7.8 | 7.4 | 8.9 | 8.9 | 8.5 | 9.8 | 8.6 | 9.2 | 7.0 | 8.8 | 8.0 | 7.0 |
| Precipitation (mm) | 31 | 25 | 57 | 73 | 175 | 216 | 303 | 231 | 256 | 8 | 38 | 154 |
| Sunny days | 25 | 17 | 21 | 15 | 16 | 9 | 4 | 8 | 7 | 24 | 20 | 23 |
| Rainy days | 4 | 9 | 10 | 15 | 15 | 21 | 27 | 23 | 23 | 7 | 10 | 8 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hamasan is at