Average annual temperature is 15.0 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 263 days
Number of rainy days: 95 days
Number of snow days: 7 days
Look at detailed online map of Yannan
* Weather data for Yannan China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.5 | 15.3 | 28.5 | 27.6 | 34.2 | 38.6 | 37.5 | 34.6 | 32.2 | 26.9 | 28.7 | 18.9 |
| Average daytime temperature (°C) | 5.9 | 9.4 | 18.3 | 20.3 | 25.9 | 32.4 | 32.9 | 31.0 | 27.9 | 23.7 | 12.6 | 4.1 |
| Average temperature (°C) | 0.1 | 3.8 | 11.5 | 14.8 | 20.7 | 26.5 | 28.2 | 26.5 | 22.9 | 17.7 | 7.3 | -0.8 |
| Average night temperature (°C) | -4.6 | -1.6 | 5.1 | 10.0 | 16.2 | 20.5 | 24.1 | 22.5 | 18.2 | 12.2 | 2.4 | -4.9 |
| Absolute minimum temperature (°C) | -11.7 | -4.7 | -1.6 | 3.7 | 11.0 | 14.4 | 20.4 | 17.3 | 9.5 | 5.3 | -6.0 | -13.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.6 | 9.3 | 7.9 | 7.2 | 9.6 | 9.7 | 10.0 | 8.0 | 8.2 | 7.1 | 6.3 |
| Precipitation (mm) | 3 | 9 | 10 | 69 | 34 | 34 | 193 | 103 | 50 | 0 | 28 | 23 |
| Sunny days | 26 | 23 | 28 | 18 | 19 | 21 | 12 | 18 | 16 | 31 | 26 | 25 |
| Rainy days | 2 | 4 | 3 | 12 | 12 | 9 | 19 | 13 | 14 | 0 | 3 | 4 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Yannan is at