Average annual temperature is 17.5 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 130 days
Number of rainy days: 235 days
Look at detailed online map of Bản Nam San
* Weather data for Bản Nam San Vietnam is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.1 | 24.6 | 27.5 | 32.4 | 31.6 | 31.5 | 29.5 | 25.9 | 27.2 | 25.8 | 25.5 | 22.4 |
| Average daytime temperature (°C) | 15.2 | 19.9 | 23.0 | 27.9 | 26.8 | 25.5 | 25.6 | 23.4 | 24.8 | 23.2 | 20.7 | 17.6 |
| Average temperature (°C) | 9.7 | 14.0 | 16.2 | 20.5 | 21.3 | 20.6 | 20.9 | 19.6 | 20.3 | 18.6 | 15.7 | 12.7 |
| Average night temperature (°C) | 4.7 | 8.7 | 10.8 | 14.6 | 16.8 | 17.2 | 17.5 | 17.2 | 16.8 | 14.8 | 11.5 | 8.6 |
| Absolute minimum temperature (°C) | 1.2 | 6.2 | 7.2 | 12.2 | 14.0 | 16.2 | 16.2 | 16.5 | 15.9 | 12.7 | 8.2 | 2.7 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.0 | 8.7 | 8.9 | 10.1 | 10.2 | 8.7 | 10.2 | 6.8 | 10.3 | 9.4 | 9.1 | 7.7 |
| Precipitation (mm) | 1 | 34 | 62 | 53 | 182 | 537 | 355 | 914 | 153 | 79 | 44 | 75 |
| Sunny days | 29 | 16 | 12 | 18 | 11 | 0 | 1 | 1 | 2 | 10 | 17 | 13 |
| Rainy days | 2 | 12 | 19 | 12 | 20 | 30 | 30 | 30 | 28 | 21 | 13 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bản Nam San is at