Average annual temperature is 20.0 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 91 days
Number of rainy days: 274 days
Look at detailed online map of Yiyan
* Weather data for Yiyan 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) | 22.7 | 21.1 | 24.3 | 27.3 | 33.3 | 32.9 | 32.9 | 31.8 | 30.0 | 29.9 | 26.1 | 24.1 |
| Average daytime temperature (°C) | 15.1 | 17.6 | 21.0 | 23.4 | 26.6 | 29.2 | 30.3 | 29.5 | 28.4 | 24.9 | 21.4 | 17.0 |
| Average temperature (°C) | 10.7 | 13.8 | 17.1 | 19.8 | 23.4 | 25.8 | 26.7 | 26.1 | 25.1 | 21.2 | 17.1 | 12.5 |
| Average night temperature (°C) | 6.7 | 10.3 | 13.5 | 16.8 | 20.8 | 23.1 | 23.7 | 23.2 | 22.5 | 18.0 | 13.4 | 8.9 |
| Absolute minimum temperature (°C) | -1.2 | 3.3 | 7.5 | 9.4 | 16.5 | 21.2 | 22.1 | 21.1 | 21.4 | 14.1 | 4.8 | -1.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.4 | 5.5 | 5.3 | 5.7 | 6.8 | 8.6 | 10.9 | 8.9 | 8.0 | 7.2 | 7.5 | 6.9 |
| Precipitation (mm) | 92 | 74 | 173 | 261 | 155 | 204 | 108 | 214 | 245 | 92 | 50 | 69 |
| Sunny days | 14 | 13 | 7 | 5 | 2 | 1 | 1 | 1 | 1 | 14 | 15 | 17 |
| Rainy days | 17 | 15 | 24 | 25 | 29 | 29 | 30 | 30 | 29 | 17 | 15 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Yiyan during the most sunny months:
The largest precipitation sum in Yiyan is at