Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 202 days
Number of rainy days: 162 days
Number of snow days: 1 day
Look at detailed online map of Kowŏn
* Weather data for Kowŏn 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) | 16.5 | 16.2 | 22.9 | 27.7 | 33.2 | 32.4 | 33.9 | 35.4 | 30.8 | 24.1 | 26.0 | 18.1 |
| Average daytime temperature (°C) | 6.0 | 8.2 | 15.7 | 18.4 | 23.5 | 27.1 | 30.0 | 29.8 | 25.5 | 20.3 | 13.6 | 7.4 |
| Average temperature (°C) | 1.6 | 3.7 | 10.6 | 13.7 | 19.2 | 23.2 | 26.6 | 26.6 | 22.3 | 15.4 | 8.8 | 3.1 |
| Average night temperature (°C) | -1.9 | 0.1 | 5.9 | 9.5 | 15.3 | 19.7 | 24.0 | 24.0 | 19.6 | 10.9 | 4.6 | -0.2 |
| Absolute minimum temperature (°C) | -13.4 | -3.9 | -2.3 | 4.3 | 9.2 | 15.1 | 20.0 | 19.8 | 14.0 | 5.4 | -5.2 | -10.5 |
| 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 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 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) | 7.5 | 7.6 | 8.9 | 9.0 | 9.0 | 10.3 | 8.2 | 9.3 | 7.6 | 8.7 | 7.7 | 6.9 |
| Precipitation (mm) | 44 | 39 | 43 | 67 | 139 | 140 | 325 | 274 | 290 | 14 | 45 | 158 |
| Sunny days | 26 | 19 | 22 | 16 | 16 | 12 | 13 | 5 | 8 | 20 | 22 | 23 |
| Rainy days | 4 | 9 | 9 | 14 | 15 | 18 | 18 | 26 | 22 | 11 | 8 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kowŏn is at