Average annual temperature is 23.8 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 6.4 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Ké San
* Weather data for Ké San 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) | 29.9 | 30.5 | 35.7 | 36.4 | 40.3 | 36.4 | 37.9 | 34.4 | 35.3 | 33.5 | 30.3 | 28.3 |
| Average daytime temperature (°C) | 20.2 | 23.5 | 26.1 | 29.8 | 32.7 | 32.5 | 33.8 | 32.1 | 31.5 | 29.2 | 25.9 | 21.7 |
| Average temperature (°C) | 15.3 | 19.4 | 21.5 | 25.1 | 27.7 | 28.0 | 29.0 | 27.8 | 27.1 | 25.2 | 21.7 | 17.9 |
| Average night temperature (°C) | 11.0 | 16.1 | 17.9 | 21.7 | 23.8 | 24.6 | 25.0 | 24.7 | 23.8 | 21.9 | 18.0 | 14.5 |
| Absolute minimum temperature (°C) | 6.4 | 8.9 | 12.7 | 17.8 | 20.4 | 23.6 | 22.6 | 23.4 | 22.8 | 18.8 | 13.2 | 8.3 |
| 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 | 13.5 | 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) | 6.5 | 6.0 | 5.3 | 7.1 | 9.0 | 8.5 | 10.3 | 8.1 | 8.6 | 8.3 | 7.4 | 6.0 |
| Precipitation (mm) | 13 | 29 | 31 | 44 | 124 | 259 | 150 | 236 | 216 | 72 | 49 | 27 |
| Sunny days | 21 | 12 | 14 | 8 | 9 | 0 | 2 | 1 | 3 | 16 | 16 | 15 |
| Rainy days | 10 | 16 | 17 | 22 | 22 | 30 | 29 | 30 | 27 | 15 | 14 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ké San during the most sunny months:
The largest precipitation sum in Ké San is at