Average annual temperature is 17.7 °C
Absolute maximum temperature: 30.0 °C
Absolute minimum temperature: 8.8 °C
Number of sunny days: 151 days
Number of rainy days: 214 days
Look at detailed online map of Eiras
* Weather data for Eiras 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) | 18.2 | 18.1 | 23.3 | 22.1 | 23.4 | 27.8 | 25.1 | 28.2 | 24.3 | 30.0 | 22.3 | 21.9 |
| Average daytime temperature (°C) | 15.5 | 15.4 | 18.7 | 18.9 | 19.7 | 21.8 | 22.3 | 25.0 | 22.7 | 24.9 | 19.8 | 18.2 |
| Average temperature (°C) | 13.6 | 13.0 | 15.9 | 16.0 | 17.1 | 19.3 | 20.0 | 22.0 | 20.3 | 21.7 | 17.3 | 15.8 |
| Average night temperature (°C) | 12.1 | 11.2 | 13.4 | 13.4 | 15.0 | 17.0 | 18.0 | 19.8 | 18.1 | 18.9 | 15.0 | 13.9 |
| Absolute minimum temperature (°C) | 8.8 | 8.8 | 10.5 | 11.2 | 12.7 | 14.5 | 16.2 | 17.8 | 16.9 | 14.9 | 13.2 | 10.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 9.3 | 10.4 | 11.2 | 11.6 | 11.8 | 12.2 | 11.7 | 10.6 | 9.1 | 8.9 | 7.8 |
| Precipitation (mm) | 98 | 90 | 9 | 21 | 64 | 227 | 24 | 11 | 87 | 82 | 78 | 77 |
| Sunny days | 3 | 1 | 19 | 21 | 6 | 14 | 15 | 20 | 8 | 16 | 16 | 12 |
| Rainy days | 28 | 27 | 12 | 9 | 25 | 16 | 16 | 11 | 22 | 15 | 14 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Eiras is at