Average annual temperature is 27.7 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Ban Lan So
* Weather data for Ban Lan So 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) | 33.2 | 35.6 | 39.2 | 42.2 | 40.8 | 38.0 | 36.7 | 36.9 | 34.3 | 32.9 | 32.3 | 31.6 |
| Average daytime temperature (°C) | 29.4 | 32.3 | 35.1 | 39.1 | 36.2 | 34.0 | 33.0 | 32.6 | 31.0 | 30.2 | 30.0 | 29.4 |
| Average temperature (°C) | 23.7 | 26.3 | 29.0 | 32.4 | 30.8 | 29.3 | 28.5 | 28.4 | 27.1 | 26.3 | 25.7 | 24.9 |
| Average night temperature (°C) | 17.5 | 20.4 | 23.3 | 26.6 | 26.7 | 25.9 | 25.3 | 25.5 | 24.5 | 23.6 | 21.9 | 20.5 |
| Absolute minimum temperature (°C) | 14.2 | 16.0 | 18.1 | 24.5 | 24.0 | 24.4 | 23.4 | 24.1 | 22.8 | 22.5 | 19.1 | 16.2 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.5 | 10.5 | 11.1 | 10.8 | 9.6 | 9.5 | 8.4 | 6.9 | 8.1 | 9.9 | 10.2 |
| Precipitation (mm) | 1 | 15 | 11 | 28 | 114 | 192 | 196 | 149 | 441 | 271 | 50 | 11 |
| Sunny days | 28 | 23 | 25 | 23 | 5 | 1 | 4 | 1 | 0 | 1 | 12 | 17 |
| Rainy days | 3 | 5 | 6 | 7 | 26 | 29 | 27 | 30 | 30 | 30 | 18 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Lan So is at