Average annual temperature is 24.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 6.7 °C
Number of sunny days: 112 days
Number of rainy days: 253 days
Look at detailed online map of Xiyuan
* Weather data for Xiyuan Taiwan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.6 | 32.8 | 33.9 | 35.9 | 34.7 | 33.3 | 34.3 | 32.9 | 32.4 | 31.9 | 32.2 | 30.2 |
| Average daytime temperature (°C) | 25.9 | 28.5 | 29.7 | 31.1 | 30.6 | 31.7 | 32.2 | 30.6 | 30.8 | 29.4 | 28.3 | 25.7 |
| Average temperature (°C) | 19.3 | 21.0 | 22.7 | 25.4 | 26.3 | 27.6 | 28.1 | 27.0 | 26.8 | 25.3 | 22.9 | 20.5 |
| Average night temperature (°C) | 14.4 | 15.5 | 16.9 | 21.2 | 23.0 | 24.4 | 25.0 | 24.3 | 24.0 | 22.5 | 18.6 | 16.8 |
| Absolute minimum temperature (°C) | 6.7 | 11.9 | 13.1 | 19.1 | 21.0 | 23.2 | 24.1 | 23.0 | 22.6 | 20.6 | 13.7 | 10.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.0 | 9.2 | 10.6 | 10.1 | 9.0 | 9.4 | 9.8 | 8.6 | 8.7 | 8.2 | 9.9 | 8.2 |
| Precipitation (mm) | 13 | 11 | 13 | 197 | 231 | 319 | 354 | 637 | 479 | 172 | 25 | 70 |
| Sunny days | 24 | 18 | 21 | 6 | 3 | 4 | 2 | 0 | 0 | 2 | 19 | 13 |
| Rainy days | 7 | 10 | 10 | 24 | 28 | 26 | 29 | 31 | 30 | 29 | 11 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Xiyuan is at