Average annual temperature is 18.7 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 45 days
Number of rainy days: 320 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) | 23.6 | 27.3 | 29.3 | 29.9 | 31.8 | 30.5 | 29.4 | 28.8 | 28.0 | 26.4 | 25.3 | 26.2 |
| Average daytime temperature (°C) | 13.8 | 18.8 | 21.6 | 26.2 | 27.0 | 26.4 | 26.8 | 24.6 | 23.9 | 21.7 | 19.7 | 16.7 |
| Average temperature (°C) | 10.7 | 15.2 | 17.5 | 21.7 | 22.7 | 22.4 | 22.5 | 21.4 | 20.8 | 18.9 | 16.5 | 13.6 |
| Average night temperature (°C) | 7.8 | 12.1 | 14.1 | 18.3 | 19.6 | 19.7 | 19.6 | 19.3 | 18.6 | 16.9 | 14.3 | 11.1 |
| Absolute minimum temperature (°C) | 3.5 | 6.3 | 8.0 | 13.4 | 15.4 | 18.6 | 17.5 | 17.1 | 17.4 | 13.8 | 9.9 | 2.0 |
| 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) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 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 | 11.0 |
| Sunshine mean duration (h) | 5.8 | 6.3 | 8.3 | 9.6 | 9.9 | 7.8 | 9.6 | 6.7 | 6.8 | 6.3 | 7.5 | 6.4 |
| Precipitation (mm) | 86 | 73 | 49 | 107 | 120 | 97 | 127 | 233 | 388 | 280 | 113 | 55 |
| Sunny days | 9 | 2 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 2 | 7 | 13 |
| Rainy days | 22 | 26 | 26 | 25 | 29 | 30 | 31 | 31 | 30 | 29 | 23 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ban Nam-On during the most sunny months:
The largest precipitation sum in Ban Nam-On is at