Average annual temperature is 12.6 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 199 days
Number of rainy days: 160 days
Number of snow days: 6 days
Look at detailed online map of Osei-ri
* Weather data for Osei-ri 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) | 14.9 | 13.6 | 21.7 | 25.2 | 30.6 | 32.9 | 32.3 | 34.3 | 29.2 | 22.5 | 24.5 | 15.8 |
| Average daytime temperature (°C) | 4.7 | 8.1 | 15.7 | 17.5 | 21.6 | 26.9 | 27.7 | 29.3 | 25.6 | 19.4 | 12.1 | 6.4 |
| Average temperature (°C) | -0.6 | 1.9 | 8.4 | 11.5 | 16.3 | 21.3 | 23.8 | 25.0 | 21.2 | 13.3 | 6.5 | 1.5 |
| Average night temperature (°C) | -4.6 | -2.6 | 2.3 | 6.2 | 11.7 | 16.8 | 21.0 | 21.5 | 17.6 | 8.4 | 2.0 | -2.1 |
| Absolute minimum temperature (°C) | -14.3 | -6.8 | -3.7 | 0.3 | 4.5 | 13.3 | 17.1 | 17.9 | 13.5 | 4.5 | -5.6 | -10.3 |
| 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) | 7.6 | 7.4 | 8.6 | 8.1 | 7.8 | 9.3 | 6.6 | 9.6 | 7.3 | 8.7 | 7.8 | 6.6 |
| Precipitation (mm) | 43 | 26 | 54 | 110 | 147 | 152 | 285 | 311 | 171 | 8 | 69 | 67 |
| Sunny days | 26 | 18 | 21 | 17 | 15 | 12 | 4 | 6 | 12 | 25 | 22 | 21 |
| Rainy days | 4 | 8 | 10 | 13 | 16 | 18 | 27 | 25 | 18 | 6 | 8 | 7 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Osei-ri is at