Average annual temperature is 23.0 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 7.0 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Haikou
* Weather data for Haikou 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) | 25.9 | 27.5 | 28.3 | 30.4 | 31.1 | 32.6 | 32.1 | 32.4 | 31.2 | 30.9 | 28.0 | 25.8 |
| Average daytime temperature (°C) | 18.9 | 19.3 | 22.4 | 24.9 | 27.8 | 30.0 | 30.6 | 30.1 | 29.5 | 27.5 | 24.7 | 20.8 |
| Average temperature (°C) | 15.9 | 16.3 | 18.7 | 21.7 | 24.8 | 27.5 | 28.8 | 28.2 | 27.6 | 25.3 | 22.2 | 18.9 |
| Average night temperature (°C) | 13.7 | 14.3 | 15.8 | 19.1 | 22.3 | 25.6 | 27.0 | 26.4 | 25.8 | 23.6 | 20.0 | 17.2 |
| Absolute minimum temperature (°C) | 7.0 | 11.1 | 8.0 | 15.7 | 18.3 | 23.7 | 25.5 | 23.5 | 24.3 | 21.0 | 15.9 | 10.0 |
| 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) | 8.2 | 8.4 | 9.3 | 10.0 | 9.7 | 9.9 | 10.8 | 10.3 | 10.0 | 9.1 | 9.5 | 7.4 |
| Precipitation (mm) | 23 | 38 | 77 | 149 | 141 | 245 | 112 | 207 | 146 | 38 | 3 | 43 |
| Sunny days | 18 | 18 | 21 | 14 | 15 | 4 | 8 | 3 | 11 | 18 | 25 | 15 |
| Rainy days | 13 | 10 | 10 | 16 | 16 | 26 | 23 | 28 | 19 | 13 | 5 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Haikou is at