Average annual temperature is 15.0 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 189 days
Number of rainy days: 176 days
Look at detailed online map of Portelo
* Weather data for Portelo 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) | 15.0 | 20.0 | 22.1 | 26.0 | 28.7 | 31.9 | 31.3 | 36.7 | 31.7 | 31.6 | 19.2 | 17.2 |
| Average daytime temperature (°C) | 12.5 | 15.0 | 15.9 | 20.4 | 22.5 | 25.0 | 26.1 | 27.7 | 23.8 | 21.9 | 16.2 | 13.3 |
| Average temperature (°C) | 8.2 | 8.8 | 11.5 | 14.5 | 17.1 | 19.9 | 20.2 | 21.5 | 18.6 | 17.3 | 12.9 | 8.9 |
| Average night temperature (°C) | 4.3 | 3.8 | 7.1 | 8.8 | 11.9 | 15.0 | 14.6 | 16.0 | 14.1 | 13.4 | 10.3 | 5.0 |
| Absolute minimum temperature (°C) | -2.3 | -1.8 | -1.6 | 3.0 | 6.9 | 12.5 | 10.4 | 12.2 | 8.9 | 8.7 | 3.4 | -0.7 |
| 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 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 9.1 | 7.1 | 9.9 | 11.3 | 11.9 | 12.7 | 11.6 | 9.8 | 6.4 | 5.1 | 5.5 |
| Precipitation (mm) | 262 | 8 | 205 | 43 | 73 | 158 | 28 | 16 | 153 | 415 | 338 | 205 |
| Sunny days | 16 | 20 | 11 | 16 | 17 | 11 | 22 | 27 | 12 | 13 | 11 | 13 |
| Rainy days | 15 | 8 | 20 | 14 | 14 | 19 | 9 | 4 | 18 | 18 | 19 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Portelo during the most sunny months:
The largest precipitation sum in Portelo is at