Average annual temperature is 24.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 5.8 °C
Number of sunny days: 121 days
Number of rainy days: 244 days
Look at detailed online map of Viên Nội
* Weather data for Viên Nội 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) | 31.9 | 32.2 | 36.2 | 33.7 | 39.9 | 37.6 | 36.7 | 34.7 | 34.3 | 33.3 | 31.3 | 29.8 |
| Average daytime temperature (°C) | 21.3 | 24.1 | 27.0 | 29.3 | 32.5 | 32.7 | 34.4 | 31.6 | 30.4 | 29.6 | 26.8 | 22.6 |
| Average temperature (°C) | 16.5 | 19.9 | 22.3 | 25.1 | 28.0 | 28.9 | 30.1 | 28.1 | 27.1 | 25.8 | 22.4 | 18.7 |
| Average night temperature (°C) | 11.8 | 16.3 | 18.2 | 21.9 | 24.3 | 25.8 | 26.5 | 25.3 | 24.5 | 22.3 | 18.4 | 15.0 |
| Absolute minimum temperature (°C) | 5.8 | 10.4 | 13.2 | 17.9 | 19.1 | 23.9 | 24.0 | 23.5 | 23.2 | 19.7 | 12.5 | 7.7 |
| 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 | 11.2 | 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) | 5.4 | 4.0 | 4.4 | 5.1 | 9.2 | 7.8 | 10.4 | 7.7 | 6.7 | 8.3 | 8.2 | 5.7 |
| Precipitation (mm) | 12 | 65 | 37 | 85 | 121 | 293 | 116 | 337 | 460 | 98 | 66 | 18 |
| Sunny days | 21 | 8 | 9 | 7 | 16 | 3 | 8 | 2 | 2 | 19 | 12 | 14 |
| Rainy days | 10 | 20 | 22 | 23 | 15 | 27 | 23 | 29 | 28 | 12 | 18 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Viên Nội during the most sunny months:
The largest precipitation sum in Viên Nội is at