Average annual temperature is 22.4 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 5.1 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Sanwan Township
* Weather data for Sanwan Township 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) | 25.0 | 28.4 | 31.5 | 30.5 | 32.9 | 32.7 | 34.1 | 34.3 | 36.1 | 34.6 | 30.7 | 28.3 |
| Average daytime temperature (°C) | 18.8 | 20.0 | 23.3 | 24.9 | 27.9 | 30.2 | 32.5 | 31.5 | 31.9 | 29.2 | 26.3 | 21.1 |
| Average temperature (°C) | 15.1 | 15.9 | 18.3 | 21.1 | 24.3 | 26.9 | 28.6 | 28.0 | 27.5 | 24.6 | 21.2 | 17.3 |
| Average night temperature (°C) | 12.4 | 13.3 | 14.5 | 18.1 | 21.5 | 24.4 | 25.5 | 25.0 | 24.1 | 21.3 | 17.5 | 14.5 |
| Absolute minimum temperature (°C) | 5.1 | 9.5 | 8.7 | 13.9 | 16.1 | 22.9 | 23.2 | 22.5 | 22.0 | 18.4 | 10.7 | 6.5 |
| 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) | 7.5 | 7.7 | 9.2 | 9.5 | 9.8 | 9.7 | 10.5 | 10.2 | 9.8 | 8.9 | 9.5 | 7.1 |
| Precipitation (mm) | 53 | 75 | 113 | 250 | 189 | 370 | 151 | 186 | 124 | 111 | 14 | 129 |
| Sunny days | 13 | 14 | 18 | 9 | 11 | 2 | 6 | 3 | 9 | 14 | 23 | 12 |
| Rainy days | 18 | 14 | 13 | 21 | 20 | 28 | 25 | 28 | 21 | 17 | 7 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sanwan Township is at