Average annual temperature is 23.7 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 8.6 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Ban Oy
* Weather data for Ban Oy Laos is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.3 | 30.2 | 33.1 | 36.2 | 36.4 | 35.3 | 33.2 | 32.8 | 31.8 | 30.3 | 29.9 | 29.8 |
| Average daytime temperature (°C) | 24.5 | 27.7 | 30.0 | 33.9 | 32.7 | 30.2 | 30.2 | 28.3 | 28.6 | 28.0 | 27.4 | 26.3 |
| Average temperature (°C) | 18.5 | 21.6 | 24.0 | 27.3 | 27.0 | 25.3 | 25.5 | 24.4 | 24.5 | 23.6 | 21.9 | 20.8 |
| Average night temperature (°C) | 12.4 | 16.0 | 18.8 | 21.7 | 22.6 | 22.1 | 22.1 | 21.8 | 21.5 | 20.2 | 17.7 | 16.0 |
| Absolute minimum temperature (°C) | 8.6 | 12.7 | 15.1 | 19.4 | 20.4 | 21.3 | 20.7 | 20.9 | 20.5 | 18.1 | 14.6 | 9.7 |
| 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) | 9.9 | 10.5 | 10.2 | 10.9 | 10.4 | 8.4 | 9.4 | 5.8 | 8.7 | 9.7 | 9.6 | 9.8 |
| Precipitation (mm) | 3 | 19 | 25 | 67 | 167 | 344 | 229 | 335 | 309 | 128 | 46 | 18 |
| Sunny days | 28 | 18 | 15 | 18 | 4 | 0 | 0 | 0 | 0 | 6 | 16 | 18 |
| Rainy days | 3 | 10 | 16 | 12 | 27 | 30 | 31 | 31 | 30 | 25 | 14 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Oy is at