Average annual temperature is 14.9 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of Viseu
* Weather data for Viseu Portugal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.8 | 18.0 | 22.7 | 28.0 | 29.1 | 32.9 | 33.0 | 40.2 | 31.7 | 32.1 | 19.8 | 16.6 |
| Average daytime temperature (°C) | 11.1 | 13.0 | 15.8 | 21.1 | 22.7 | 25.5 | 28.6 | 31.0 | 23.8 | 21.7 | 15.2 | 11.8 |
| Average temperature (°C) | 7.0 | 7.8 | 11.2 | 14.8 | 16.9 | 20.0 | 21.3 | 23.5 | 18.5 | 17.2 | 11.8 | 7.9 |
| Average night temperature (°C) | 3.4 | 3.8 | 7.1 | 9.0 | 11.6 | 14.9 | 14.8 | 16.6 | 14.0 | 13.3 | 9.0 | 4.5 |
| Absolute minimum temperature (°C) | -2.5 | -2.1 | -1.1 | 3.9 | 9.0 | 11.0 | 10.6 | 10.7 | 7.6 | 7.6 | 3.6 | -1.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 9.0 | 8.1 | 10.5 | 11.4 | 12.5 | 12.9 | 12.3 | 9.5 | 6.0 | 5.4 | 5.8 |
| Precipitation (mm) | 163 | 9 | 83 | 22 | 94 | 108 | 3 | 1 | 140 | 284 | 187 | 86 |
| Sunny days | 16 | 20 | 14 | 21 | 18 | 13 | 26 | 30 | 14 | 12 | 11 | 13 |
| Rainy days | 15 | 8 | 17 | 9 | 13 | 17 | 5 | 1 | 16 | 19 | 19 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Viseu during the most sunny months:
The largest precipitation sum in Viseu is at