Average annual temperature is 26.8 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 37 days
Number of rainy days: 328 days
Look at detailed online map of Ban Ko San
* Weather data for Ban Ko San 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) | 31.9 | 32.6 | 38.1 | 38.5 | 35.8 | 36.2 | 35.2 | 35.2 | 32.7 | 32.5 | 31.7 | 31.3 |
| Average daytime temperature (°C) | 29.7 | 31.3 | 34.5 | 36.1 | 33.3 | 32.5 | 31.2 | 32.1 | 30.4 | 30.9 | 29.6 | 30.0 |
| Average temperature (°C) | 25.3 | 26.0 | 27.6 | 29.1 | 27.8 | 27.6 | 26.7 | 27.1 | 26.1 | 26.1 | 25.7 | 26.0 |
| Average night temperature (°C) | 21.7 | 21.4 | 21.9 | 24.3 | 24.2 | 24.0 | 23.6 | 23.5 | 23.5 | 23.4 | 23.4 | 23.3 |
| Absolute minimum temperature (°C) | 17.6 | 19.9 | 19.1 | 22.4 | 23.3 | 22.6 | 22.5 | 22.4 | 22.1 | 22.6 | 22.8 | 21.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.7 | 10.5 | 10.6 | 10.6 | 9.8 | 9.1 | 8.3 | 9.9 | 7.2 | 7.8 | 6.7 | 9.4 |
| Precipitation (mm) | 124 | 64 | 40 | 94 | 188 | 108 | 135 | 134 | 287 | 328 | 369 | 194 |
| Sunny days | 3 | 4 | 17 | 3 | 2 | 1 | 3 | 0 | 1 | 0 | 1 | 2 |
| Rainy days | 28 | 24 | 14 | 27 | 29 | 29 | 28 | 31 | 29 | 31 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Ko San is at