Average annual temperature is 18.4 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: 0.2 °C
Number of sunny days: 71 days
Number of rainy days: 294 days
Look at detailed online map of Ko Y Chay
* Weather data for Ko Y Chay Vietnam is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.2 | 25.5 | 27.4 | 31.1 | 31.5 | 31.3 | 29.6 | 27.8 | 26.2 | 25.6 | 24.5 | 23.7 |
| Average daytime temperature (°C) | 14.2 | 18.3 | 20.2 | 25.2 | 26.4 | 26.2 | 26.9 | 25.4 | 24.0 | 21.7 | 19.4 | 16.8 |
| Average temperature (°C) | 10.1 | 14.4 | 16.3 | 20.4 | 22.3 | 22.7 | 23.2 | 22.1 | 21.1 | 18.7 | 16.1 | 13.2 |
| Average night temperature (°C) | 5.9 | 10.7 | 12.9 | 16.4 | 18.6 | 19.8 | 20.0 | 19.6 | 18.6 | 15.9 | 13.1 | 9.7 |
| Absolute minimum temperature (°C) | 0.2 | 5.7 | 7.9 | 11.9 | 16.0 | 17.9 | 17.8 | 16.6 | 17.1 | 12.5 | 9.1 | 1.5 |
| 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) | 11.0 | 11.4 | 12.0 | 12.7 | 13.2 | 13.4 | 13.3 | 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) | 7.7 | 7.2 | 7.1 | 9.1 | 9.9 | 7.9 | 10.3 | 7.6 | 8.5 | 7.9 | 7.8 | 6.9 |
| Precipitation (mm) | 40 | 65 | 78 | 106 | 206 | 253 | 158 | 580 | 328 | 121 | 81 | 34 |
| Sunny days | 15 | 9 | 6 | 6 | 7 | 1 | 1 | 0 | 0 | 4 | 9 | 13 |
| Rainy days | 16 | 19 | 25 | 24 | 24 | 29 | 30 | 31 | 30 | 27 | 21 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ko Y Chay during the most sunny months:
The largest precipitation sum in Ko Y Chay is at