Average annual temperature is 15.1 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 197 days
Number of rainy days: 165 days
Number of snow days: 3 days
Look at detailed online map of Haeundae
* Weather data for Haeundae 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) | 15.6 | 14.8 | 21.6 | 25.3 | 25.2 | 29.8 | 32.3 | 33.8 | 29.4 | 24.6 | 24.8 | 19.2 |
| Average daytime temperature (°C) | 6.9 | 10.2 | 15.6 | 17.5 | 20.8 | 25.1 | 28.0 | 30.0 | 26.7 | 21.9 | 14.6 | 9.2 |
| Average temperature (°C) | 2.4 | 5.7 | 11.0 | 13.9 | 17.5 | 21.9 | 25.3 | 27.1 | 23.7 | 17.1 | 10.0 | 5.0 |
| Average night temperature (°C) | -1.6 | 1.7 | 6.9 | 10.5 | 14.5 | 19.3 | 23.1 | 24.7 | 21.2 | 12.9 | 5.9 | 1.4 |
| Absolute minimum temperature (°C) | -12.1 | -3.6 | -1.4 | 3.6 | 8.3 | 16.6 | 19.8 | 23.1 | 16.6 | 7.4 | -3.4 | -8.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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 | 8.6 | 8.2 | 7.9 | 8.2 | 7.4 | 9.6 | 7.5 | 8.9 | 8.0 | 7.1 |
| Precipitation (mm) | 69 | 39 | 77 | 105 | 267 | 266 | 399 | 349 | 207 | 6 | 38 | 97 |
| Sunny days | 25 | 18 | 18 | 16 | 16 | 10 | 8 | 9 | 8 | 24 | 23 | 22 |
| Rainy days | 5 | 10 | 13 | 14 | 15 | 20 | 23 | 22 | 22 | 7 | 7 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Haeundae is at