Average annual temperature is 21.9 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 6.7 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Ban Nam-On
* Weather data for Ban Nam-On 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) | 26.0 | 29.5 | 32.4 | 32.9 | 35.2 | 30.9 | 31.1 | 30.9 | 30.5 | 29.1 | 28.7 | 27.7 |
| Average daytime temperature (°C) | 23.2 | 25.7 | 27.9 | 30.8 | 29.8 | 26.8 | 27.7 | 25.4 | 26.6 | 26.9 | 26.5 | 25.1 |
| Average temperature (°C) | 17.3 | 20.1 | 22.2 | 25.5 | 25.0 | 23.0 | 23.3 | 22.3 | 22.5 | 21.9 | 20.5 | 19.2 |
| Average night temperature (°C) | 11.2 | 14.5 | 17.5 | 21.2 | 21.3 | 20.4 | 20.3 | 19.9 | 19.6 | 18.1 | 15.7 | 14.6 |
| Absolute minimum temperature (°C) | 6.7 | 8.7 | 13.8 | 18.9 | 18.1 | 19.5 | 19.2 | 18.8 | 18.3 | 15.8 | 11.6 | 7.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.5 | 10.4 | 11.2 | 10.5 | 7.7 | 9.5 | 5.8 | 8.5 | 10.0 | 10.1 | 10.0 |
| Precipitation (mm) | 11 | 16 | 30 | 55 | 233 | 453 | 476 | 644 | 586 | 285 | 33 | 41 |
| Sunny days | 23 | 14 | 13 | 10 | 1 | 0 | 0 | 0 | 0 | 2 | 15 | 17 |
| Rainy days | 8 | 14 | 18 | 20 | 30 | 30 | 31 | 31 | 30 | 29 | 15 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Nam-On is at