Average annual temperature is 13.2 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 174 days
Number of rainy days: 178 days
Number of snow days: 13 days
Look at detailed online map of Sini
* Weather data for Sini 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) | 12.1 | 10.5 | 24.8 | 26.5 | 32.8 | 34.2 | 34.0 | 34.7 | 30.9 | 22.5 | 23.8 | 17.4 |
| Average daytime temperature (°C) | 1.9 | 6.8 | 15.7 | 19.3 | 25.0 | 28.1 | 29.9 | 30.6 | 26.5 | 19.1 | 10.4 | 4.8 |
| Average temperature (°C) | -2.6 | 1.4 | 8.9 | 13.1 | 19.0 | 22.8 | 25.8 | 26.4 | 22.5 | 14.0 | 5.7 | 0.9 |
| Average night temperature (°C) | -7.6 | -2.7 | 3.1 | 7.6 | 13.6 | 18.1 | 22.6 | 22.8 | 18.9 | 9.4 | 1.3 | -2.7 |
| Absolute minimum temperature (°C) | -18.2 | -6.7 | -3.7 | 0.8 | 4.9 | 14.0 | 20.5 | 17.8 | 12.3 | 4.3 | -7.6 | -13.8 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 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) | 7.0 | 8.2 | 9.3 | 7.8 | 8.9 | 9.8 | 7.5 | 8.6 | 7.3 | 8.1 | 7.2 | 6.0 |
| Precipitation (mm) | 33 | 2 | 24 | 72 | 133 | 195 | 521 | 382 | 216 | 27 | 89 | 89 |
| Sunny days | 19 | 22 | 22 | 13 | 19 | 9 | 7 | 4 | 8 | 17 | 16 | 18 |
| Rainy days | 6 | 5 | 9 | 17 | 12 | 21 | 24 | 27 | 22 | 14 | 13 | 8 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Sini is at