Average annual temperature is 15.6 °C
Absolute maximum temperature: 28.0 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 36 days
Number of rainy days: 329 days
Look at detailed online map of Guanmen
* Weather data for Guanmen 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) | 21.3 | 21.4 | 25.0 | 24.7 | 24.7 | 27.3 | 28.0 | 26.5 | 24.3 | 25.4 | 21.9 | 21.3 |
| Average daytime temperature (°C) | 13.4 | 15.4 | 16.7 | 20.0 | 21.4 | 23.5 | 23.8 | 23.7 | 22.9 | 20.0 | 17.6 | 15.4 |
| Average temperature (°C) | 9.8 | 11.1 | 12.3 | 15.8 | 17.7 | 19.6 | 19.8 | 19.8 | 18.8 | 17.0 | 13.7 | 11.9 |
| Average night temperature (°C) | 7.1 | 7.9 | 8.7 | 12.4 | 14.5 | 15.9 | 16.2 | 16.6 | 15.5 | 14.7 | 10.6 | 9.3 |
| Absolute minimum temperature (°C) | 0.8 | 3.0 | 2.9 | 9.3 | 11.6 | 13.5 | 14.1 | 14.7 | 13.8 | 12.0 | 6.3 | 3.0 |
| 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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) | 6.3 | 7.5 | 8.3 | 9.0 | 8.3 | 8.4 | 9.6 | 8.9 | 9.1 | 7.0 | 8.2 | 6.3 |
| Precipitation (mm) | 65 | 50 | 77 | 81 | 162 | 347 | 736 | 254 | 736 | 415 | 98 | 104 |
| Sunny days | 5 | 4 | 6 | 4 | 2 | 1 | 2 | 1 | 3 | 1 | 4 | 3 |
| Rainy days | 26 | 24 | 25 | 26 | 29 | 29 | 29 | 30 | 27 | 30 | 26 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guanmen is at