Average annual temperature is 16.5 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 191 days
Number of rainy days: 174 days
Look at detailed online map of Casais do Porto
* Weather data for Casais do Porto 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) | 16.7 | 21.9 | 26.6 | 30.4 | 32.8 | 33.6 | 32.6 | 41.1 | 36.5 | 36.1 | 21.7 | 18.8 |
| Average daytime temperature (°C) | 14.1 | 16.4 | 18.7 | 23.2 | 24.1 | 26.9 | 27.2 | 29.7 | 26.4 | 25.0 | 18.3 | 14.9 |
| Average temperature (°C) | 9.6 | 10.2 | 13.5 | 16.5 | 18.3 | 20.9 | 21.1 | 22.6 | 20.2 | 19.7 | 14.7 | 10.5 |
| Average night temperature (°C) | 5.7 | 5.4 | 9.0 | 10.3 | 12.9 | 15.9 | 15.9 | 17.0 | 15.7 | 15.3 | 11.7 | 6.7 |
| Absolute minimum temperature (°C) | -0.5 | -0.8 | -0.4 | 6.0 | 9.1 | 11.6 | 13.5 | 14.0 | 10.9 | 10.9 | 5.4 | -0.6 |
| 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 | 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 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 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 | 8.8 | 8.7 | 10.3 | 11.2 | 12.2 | 12.5 | 11.8 | 10.0 | 7.0 | 6.3 | 6.0 |
| Precipitation (mm) | 135 | 14 | 72 | 26 | 53 | 99 | 4 | 3 | 74 | 239 | 132 | 75 |
| Sunny days | 14 | 19 | 12 | 18 | 16 | 16 | 20 | 27 | 11 | 12 | 12 | 14 |
| Rainy days | 17 | 9 | 19 | 12 | 15 | 14 | 11 | 4 | 19 | 19 | 18 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Casais do Porto during the most sunny months:
The largest precipitation sum in Casais do Porto is at