Average annual temperature is 21.6 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Cayan
* Weather data for Cayan 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) | 26.4 | 28.6 | 31.1 | 31.4 | 32.0 | 29.6 | 29.0 | 29.0 | 28.4 | 27.5 | 27.2 | 27.5 |
| Average daytime temperature (°C) | 23.5 | 25.7 | 28.0 | 29.7 | 28.1 | 27.2 | 26.0 | 27.3 | 26.2 | 26.1 | 25.1 | 25.3 |
| Average temperature (°C) | 19.5 | 20.3 | 21.0 | 23.1 | 22.8 | 22.6 | 21.8 | 22.6 | 21.7 | 21.4 | 21.2 | 20.9 |
| Average night temperature (°C) | 16.9 | 17.0 | 16.4 | 18.8 | 19.8 | 19.9 | 19.4 | 20.0 | 19.1 | 18.9 | 18.9 | 18.2 |
| Absolute minimum temperature (°C) | 14.0 | 15.1 | 13.9 | 16.2 | 18.1 | 18.6 | 17.9 | 18.9 | 17.5 | 17.9 | 17.1 | 15.9 |
| 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 | 12.7 | 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) | 8.4 | 10.6 | 11.3 | 11.2 | 10.7 | 9.9 | 9.6 | 10.7 | 9.4 | 9.7 | 9.2 | 9.7 |
| Precipitation (mm) | 97 | 12 | 3 | 47 | 252 | 236 | 243 | 114 | 215 | 186 | 38 | 30 |
| Sunny days | 14 | 20 | 22 | 6 | 2 | 1 | 0 | 1 | 1 | 1 | 9 | 22 |
| Rainy days | 17 | 8 | 9 | 24 | 29 | 29 | 31 | 30 | 29 | 30 | 21 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cayan is at