Average annual temperature is 21.6 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 3.8 °C
Number of sunny days: 128 days
Number of rainy days: 237 days
Look at detailed online map of Bản Sai
* Weather data for Bản Sai 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) | 27.9 | 32.0 | 34.6 | 37.1 | 38.0 | 36.7 | 33.9 | 31.3 | 31.2 | 31.3 | 30.7 | 29.8 |
| Average daytime temperature (°C) | 19.7 | 24.5 | 26.3 | 30.9 | 32.7 | 30.1 | 31.3 | 28.6 | 28.1 | 27.1 | 25.3 | 22.3 |
| Average temperature (°C) | 13.3 | 17.9 | 19.8 | 24.0 | 26.3 | 25.1 | 26.1 | 24.5 | 23.9 | 22.3 | 19.5 | 16.8 |
| Average night temperature (°C) | 7.8 | 13.1 | 15.0 | 19.2 | 21.6 | 21.8 | 22.1 | 21.5 | 20.6 | 18.4 | 15.2 | 12.2 |
| Absolute minimum temperature (°C) | 3.8 | 7.5 | 9.9 | 15.4 | 18.0 | 19.5 | 20.9 | 19.0 | 19.1 | 15.3 | 11.2 | 5.8 |
| 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) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 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 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.5 | 7.9 | 7.7 | 9.6 | 10.2 | 8.6 | 10.6 | 7.4 | 8.9 | 9.8 | 8.8 | 7.3 |
| Precipitation (mm) | 4 | 29 | 27 | 33 | 97 | 309 | 147 | 350 | 146 | 46 | 34 | 9 |
| Sunny days | 21 | 16 | 13 | 11 | 9 | 1 | 1 | 2 | 1 | 17 | 15 | 21 |
| Rainy days | 10 | 12 | 18 | 19 | 22 | 29 | 30 | 29 | 29 | 14 | 15 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bản Sai is at