Average annual temperature is 13.3 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -16.3 °C
Number of sunny days: 202 days
Number of rainy days: 156 days
Number of snow days: 7 days
Look at detailed online map of Haseonam
* Weather data for Haseonam 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) | 12.2 | 13.5 | 23.8 | 24.8 | 32.2 | 33.9 | 33.5 | 34.8 | 29.9 | 22.0 | 25.1 | 15.8 |
| Average daytime temperature (°C) | 3.2 | 7.8 | 16.5 | 18.8 | 24.0 | 28.2 | 29.4 | 30.4 | 26.3 | 19.6 | 11.3 | 4.9 |
| Average temperature (°C) | -1.3 | 2.2 | 9.6 | 12.6 | 18.5 | 22.9 | 25.3 | 26.2 | 22.1 | 14.0 | 6.2 | 1.1 |
| Average night temperature (°C) | -5.2 | -1.8 | 3.6 | 7.0 | 13.2 | 18.3 | 22.1 | 22.8 | 18.4 | 9.4 | 1.6 | -2.3 |
| Absolute minimum temperature (°C) | -16.3 | -6.1 | -3.7 | 0.8 | 5.7 | 15.0 | 18.1 | 17.5 | 12.6 | 3.6 | -7.7 | -13.3 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 7.4 | 7.9 | 9.2 | 8.3 | 8.6 | 10.1 | 7.6 | 8.9 | 7.7 | 8.7 | 7.6 | 6.2 |
| Precipitation (mm) | 36 | 12 | 32 | 77 | 142 | 239 | 520 | 342 | 253 | 17 | 46 | 87 |
| Sunny days | 22 | 21 | 24 | 16 | 18 | 10 | 6 | 10 | 13 | 24 | 17 | 21 |
| Rainy days | 6 | 6 | 7 | 14 | 13 | 20 | 25 | 21 | 17 | 7 | 13 | 7 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Haseonam is at