Average annual temperature is 16.6 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 0.3 °C
Number of sunny days: 215 days
Number of rainy days: 150 days
Look at detailed online map of Casais e Alviobeira
* Weather data for Casais e Alviobeira 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) | 16.6 | 20.2 | 27.0 | 31.7 | 33.6 | 35.2 | 35.3 | 41.8 | 34.9 | 34.7 | 21.2 | 18.8 |
| Average daytime temperature (°C) | 13.3 | 15.3 | 18.6 | 24.0 | 24.7 | 27.6 | 29.6 | 32.3 | 26.0 | 24.5 | 17.7 | 14.4 |
| Average temperature (°C) | 9.1 | 10.0 | 13.3 | 17.3 | 18.7 | 21.3 | 22.0 | 24.0 | 20.3 | 19.5 | 13.8 | 9.8 |
| Average night temperature (°C) | 5.5 | 5.9 | 8.8 | 11.5 | 13.7 | 16.3 | 16.2 | 18.1 | 16.0 | 15.4 | 10.6 | 6.2 |
| Absolute minimum temperature (°C) | 0.3 | 0.8 | 0.4 | 7.1 | 10.5 | 13.1 | 14.4 | 14.4 | 12.8 | 9.3 | 4.1 | 1.3 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 6.6 | 8.7 | 8.9 | 10.8 | 11.0 | 12.1 | 12.7 | 12.2 | 9.4 | 6.8 | 6.3 | 6.5 |
| Precipitation (mm) | 87 | 21 | 60 | 13 | 42 | 66 | 0 | 0 | 64 | 221 | 123 | 36 |
| Sunny days | 17 | 20 | 14 | 21 | 18 | 14 | 28 | 29 | 14 | 12 | 12 | 16 |
| Rainy days | 14 | 8 | 17 | 9 | 13 | 16 | 3 | 2 | 16 | 19 | 18 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Casais e Alviobeira during the most sunny months:
The largest precipitation sum in Casais e Alviobeira is at