Average annual temperature is 20.9 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of Sài San
* Weather data for Sài 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) | 22.0 | 26.3 | 29.9 | 35.1 | 34.2 | 34.0 | 32.5 | 29.1 | 29.9 | 27.8 | 25.6 | 23.9 |
| Average daytime temperature (°C) | 17.6 | 22.2 | 25.0 | 30.4 | 29.5 | 28.3 | 28.1 | 26.3 | 27.5 | 25.6 | 22.5 | 19.6 |
| Average temperature (°C) | 13.2 | 17.5 | 20.0 | 24.5 | 24.8 | 24.1 | 24.0 | 23.0 | 23.4 | 21.7 | 18.5 | 15.8 |
| Average night temperature (°C) | 9.1 | 12.9 | 15.3 | 18.8 | 20.6 | 20.9 | 20.9 | 20.6 | 20.2 | 18.3 | 15.0 | 12.5 |
| Absolute minimum temperature (°C) | 5.9 | 9.7 | 11.4 | 16.0 | 17.5 | 19.6 | 19.8 | 18.6 | 19.2 | 15.7 | 11.4 | 6.6 |
| 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 | 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 | 13.4 | 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 | 9.4 | 9.8 | 10.9 | 10.4 | 9.5 | 10.4 | 7.6 | 10.4 | 9.8 | 9.3 | 8.1 |
| Precipitation (mm) | 2 | 17 | 26 | 16 | 88 | 259 | 273 | 541 | 173 | 65 | 51 | 17 |
| Sunny days | 27 | 17 | 17 | 18 | 10 | 1 | 4 | 0 | 1 | 8 | 19 | 14 |
| Rainy days | 4 | 11 | 14 | 12 | 21 | 29 | 27 | 31 | 29 | 23 | 11 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sài San is at