Average annual temperature is 8.7 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -34.2 °C
Number of sunny days: 167 days
Number of rainy days: 168 days
Number of snow days: 30 days
Look at detailed online map of Onnyang
* Weather data for Onnyang 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) | 11.2 | 8.1 | 18.5 | 22.1 | 26.5 | 30.7 | 31.2 | 31.0 | 29.3 | 20.9 | 18.0 | 9.5 |
| Average daytime temperature (°C) | -3.1 | 1.3 | 10.5 | 14.4 | 20.4 | 23.8 | 27.7 | 26.8 | 24.5 | 16.8 | 5.7 | -1.5 |
| Average temperature (°C) | -7.9 | -4.9 | 4.1 | 8.8 | 15.1 | 19.1 | 23.2 | 23.0 | 19.1 | 10.8 | 1.1 | -7.7 |
| Average night temperature (°C) | -13.6 | -11.4 | -1.6 | 3.4 | 9.7 | 14.3 | 19.5 | 19.8 | 14.2 | 5.5 | -2.4 | -13.5 |
| Absolute minimum temperature (°C) | -31.3 | -23.0 | -15.2 | -2.2 | 2.6 | 8.7 | 15.6 | 13.0 | 7.5 | 0.4 | -11.3 | -34.2 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 6.3 | 8.4 | 9.2 | 8.5 | 10.2 | 9.9 | 9.1 | 6.7 | 9.6 | 8.9 | 6.3 | 5.3 |
| Precipitation (mm) | 35 | 8 | 43 | 95 | 148 | 195 | 250 | 327 | 17 | 37 | 124 | 68 |
| Sunny days | 17 | 21 | 22 | 14 | 14 | 7 | 6 | 2 | 13 | 19 | 15 | 17 |
| Rainy days | 3 | 0 | 9 | 16 | 17 | 23 | 25 | 29 | 17 | 12 | 11 | 6 |
| Snow days | 11 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8 |
The largest precipitation sum in Onnyang is at