Average annual temperature is 11.1 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 191 days
Number of rainy days: 157 days
Number of snow days: 17 days
Look at detailed online map of Sinwŏn
* Weather data for Sinwŏn North 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) | 9.1 | 9.7 | 20.2 | 22.6 | 28.9 | 31.3 | 31.8 | 31.6 | 30.6 | 22.3 | 23.2 | 14.0 |
| Average daytime temperature (°C) | -1.1 | 4.4 | 12.1 | 16.7 | 22.8 | 26.1 | 29.1 | 28.3 | 26.2 | 18.9 | 7.2 | 0.7 |
| Average temperature (°C) | -5.8 | -0.8 | 5.5 | 10.9 | 17.1 | 21.0 | 24.9 | 24.8 | 21.4 | 13.4 | 2.7 | -3.3 |
| Average night temperature (°C) | -10.8 | -4.6 | 0.1 | 6.2 | 12.4 | 16.8 | 21.8 | 22.1 | 17.5 | 9.1 | -0.9 | -7.5 |
| Absolute minimum temperature (°C) | -20.9 | -7.9 | -5.5 | -0.1 | 6.2 | 13.4 | 19.2 | 17.5 | 12.3 | 4.0 | -8.0 | -19.7 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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 | 8.0 | 9.1 | 8.4 | 9.2 | 9.7 | 8.8 | 7.4 | 9.0 | 8.5 | 6.6 | 6.1 |
| Precipitation (mm) | 33 | 6 | 45 | 106 | 147 | 235 | 228 | 301 | 63 | 61 | 118 | 53 |
| Sunny days | 18 | 24 | 24 | 14 | 19 | 10 | 9 | 6 | 12 | 19 | 17 | 19 |
| Rainy days | 4 | 2 | 7 | 16 | 12 | 20 | 22 | 25 | 18 | 12 | 12 | 7 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Sinwŏn is at