Average annual temperature is 27.1 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 20.0 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Thượng Diêm
* Weather data for Thượng Diêm 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) | 29.7 | 30.5 | 32.5 | 33.2 | 34.8 | 32.5 | 33.3 | 34.9 | 33.6 | 32.4 | 33.3 | 32.3 |
| Average daytime temperature (°C) | 27.3 | 28.9 | 29.5 | 31.8 | 32.1 | 31.5 | 31.6 | 32.5 | 31.5 | 30.8 | 30.7 | 29.9 |
| Average temperature (°C) | 24.5 | 25.2 | 25.4 | 28.0 | 28.8 | 28.3 | 28.0 | 28.5 | 27.8 | 27.5 | 27.1 | 26.3 |
| Average night temperature (°C) | 22.5 | 22.9 | 22.3 | 25.0 | 26.4 | 26.0 | 25.4 | 25.8 | 25.3 | 25.1 | 24.8 | 23.9 |
| Absolute minimum temperature (°C) | 20.0 | 21.4 | 20.4 | 22.1 | 24.8 | 24.9 | 24.5 | 24.4 | 24.1 | 23.9 | 22.8 | 21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.1 | 10.5 | 11.2 | 11.5 | 11.5 | 11.1 | 10.9 | 11.4 | 10.5 | 10.1 | 9.3 | 9.5 |
| Precipitation (mm) | 137 | 2 | 0 | 8 | 86 | 87 | 142 | 46 | 117 | 96 | 27 | 29 |
| Sunny days | 19 | 25 | 29 | 18 | 7 | 4 | 1 | 5 | 1 | 4 | 10 | 23 |
| Rainy days | 12 | 3 | 2 | 12 | 24 | 26 | 30 | 26 | 29 | 27 | 20 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thượng Diêm is at