Average annual temperature is 14.5 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 169 days
Number of rainy days: 183 days
Number of snow days: 13 days
Look at detailed online map of Mannyŏn
* Weather data for Mannyŏn 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) | 16.8 | 12.8 | 23.4 | 25.1 | 29.1 | 34.7 | 32.1 | 34.1 | 30.3 | 23.5 | 25.1 | 19.3 |
| Average daytime temperature (°C) | 6.1 | 8.1 | 15.9 | 18.9 | 23.1 | 27.7 | 29.0 | 30.9 | 27.4 | 21.0 | 13.9 | 8.3 |
| Average temperature (°C) | 1.4 | 2.9 | 9.3 | 13.2 | 18.2 | 22.8 | 25.8 | 26.8 | 23.3 | 16.0 | 9.5 | 4.6 |
| Average night temperature (°C) | -2.9 | -1.1 | 4.3 | 8.6 | 14.0 | 19.3 | 23.4 | 23.5 | 20.0 | 11.7 | 5.2 | 1.0 |
| Absolute minimum temperature (°C) | -11.9 | -5.0 | -3.6 | 2.8 | 6.5 | 15.5 | 20.3 | 19.4 | 15.5 | 7.5 | -2.3 | -10.4 |
| 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 | 14.2 | 13.4 | 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) | 6.8 | 7.2 | 8.6 | 7.4 | 7.6 | 8.6 | 6.5 | 9.8 | 8.0 | 8.1 | 6.7 | 5.1 |
| Precipitation (mm) | 42 | 26 | 61 | 107 | 214 | 169 | 486 | 230 | 168 | 22 | 80 | 88 |
| Sunny days | 17 | 23 | 23 | 14 | 13 | 16 | 1 | 3 | 8 | 22 | 19 | 10 |
| Rainy days | 8 | 5 | 8 | 16 | 18 | 14 | 30 | 28 | 22 | 9 | 10 | 15 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The best time to visit Mannyŏn during the most sunny months:
The largest precipitation sum in Mannyŏn is at