Average annual temperature is 24.5 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 7.2 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Cổ Viễn
* Weather data for Cổ Viễn 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) | 32.2 | 31.2 | 37.1 | 33.7 | 39.0 | 38.0 | 36.7 | 34.5 | 33.7 | 33.1 | 31.0 | 29.6 |
| Average daytime temperature (°C) | 21.1 | 23.8 | 27.0 | 29.2 | 32.4 | 33.0 | 34.5 | 31.7 | 30.2 | 29.5 | 27.0 | 22.4 |
| Average temperature (°C) | 16.6 | 19.9 | 22.3 | 25.2 | 28.2 | 29.2 | 30.4 | 28.2 | 27.0 | 25.9 | 22.7 | 18.7 |
| Average night temperature (°C) | 12.4 | 16.5 | 18.4 | 22.2 | 24.8 | 26.1 | 27.0 | 25.5 | 24.6 | 22.8 | 19.0 | 15.4 |
| Absolute minimum temperature (°C) | 7.2 | 11.2 | 13.6 | 17.5 | 19.7 | 23.6 | 24.4 | 24.4 | 22.7 | 21.1 | 13.5 | 8.0 |
| 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 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 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) | 5.5 | 3.8 | 5.1 | 5.8 | 9.3 | 7.7 | 10.3 | 7.5 | 6.4 | 8.1 | 7.8 | 5.1 |
| Precipitation (mm) | 21 | 45 | 35 | 63 | 113 | 302 | 157 | 332 | 451 | 70 | 55 | 31 |
| Sunny days | 20 | 9 | 10 | 11 | 15 | 2 | 6 | 3 | 1 | 22 | 10 | 14 |
| Rainy days | 11 | 19 | 21 | 19 | 16 | 28 | 25 | 28 | 29 | 9 | 20 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Cổ Viễn during the most sunny months:
The largest precipitation sum in Cổ Viễn is at