Average annual temperature is 25.5 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 10.5 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Ban Ian
* Weather data for Ban Ian 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) | 28.3 | 31.7 | 34.9 | 38.7 | 40.1 | 38.3 | 36.7 | 33.0 | 32.9 | 31.8 | 30.7 | 30.2 |
| Average daytime temperature (°C) | 26.2 | 29.3 | 32.0 | 36.3 | 35.3 | 32.1 | 32.4 | 30.0 | 29.8 | 29.3 | 28.4 | 27.9 |
| Average temperature (°C) | 19.8 | 23.0 | 25.3 | 29.8 | 29.5 | 27.4 | 27.8 | 26.3 | 26.1 | 25.4 | 23.5 | 22.5 |
| Average night temperature (°C) | 13.5 | 17.0 | 19.8 | 23.9 | 24.9 | 24.1 | 24.2 | 23.6 | 23.3 | 22.3 | 19.1 | 17.6 |
| Absolute minimum temperature (°C) | 10.5 | 14.5 | 15.9 | 20.9 | 22.0 | 22.7 | 23.0 | 22.7 | 22.7 | 20.9 | 15.1 | 11.2 |
| 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 | 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 | 11.0 |
| 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) | 10.2 | 10.1 | 9.7 | 10.6 | 10.6 | 9.2 | 9.5 | 7.3 | 8.1 | 9.3 | 9.9 | 9.8 |
| Precipitation (mm) | 0 | 11 | 19 | 31 | 178 | 330 | 268 | 351 | 374 | 220 | 67 | 27 |
| Sunny days | 29 | 20 | 24 | 26 | 7 | 0 | 1 | 0 | 1 | 1 | 14 | 17 |
| Rainy days | 2 | 8 | 7 | 4 | 24 | 30 | 30 | 31 | 29 | 30 | 16 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Ian is at