Average annual temperature is 25.6 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 10.5 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Amphoe Chiang Khong
* Weather data for Amphoe Chiang Khong Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.6 | 31.9 | 36.2 | 38.9 | 40.2 | 37.9 | 36.4 | 33.3 | 33.6 | 32.7 | 31.5 | 31.3 |
| Average daytime temperature (°C) | 26.6 | 29.9 | 33.1 | 36.8 | 35.0 | 32.0 | 32.6 | 30.3 | 30.5 | 29.7 | 29.6 | 28.9 |
| Average temperature (°C) | 19.7 | 22.9 | 25.7 | 29.5 | 29.1 | 27.5 | 27.9 | 26.4 | 26.5 | 25.6 | 24.0 | 22.8 |
| Average night temperature (°C) | 12.8 | 15.7 | 18.8 | 22.7 | 24.2 | 24.0 | 24.3 | 23.6 | 23.2 | 22.4 | 19.0 | 17.2 |
| Absolute minimum temperature (°C) | 10.5 | 13.1 | 15.9 | 19.5 | 21.7 | 22.7 | 23.1 | 22.6 | 22.2 | 21.1 | 15.1 | 12.0 |
| 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 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.0 | 9.5 | 10.6 | 10.4 | 9.1 | 9.6 | 7.1 | 8.7 | 9.5 | 9.7 | 9.7 |
| Precipitation (mm) | 0 | 16 | 20 | 17 | 149 | 348 | 286 | 298 | 309 | 239 | 77 | 42 |
| Sunny days | 28 | 18 | 24 | 26 | 9 | 0 | 1 | 0 | 3 | 1 | 18 | 16 |
| Rainy days | 3 | 10 | 7 | 4 | 22 | 30 | 30 | 31 | 27 | 30 | 12 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Amphoe Chiang Khong is at