Average annual temperature is 19.3 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 10.0 °C
Number of sunny days: 108 days
Number of rainy days: 257 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) | 20.7 | 20.7 | 28.3 | 26.3 | 26.4 | 34.6 | 29.1 | 31.6 | 27.1 | 36.3 | 25.6 | 24.4 |
| Average daytime temperature (°C) | 16.8 | 16.7 | 21.8 | 21.1 | 20.9 | 24.0 | 24.6 | 28.0 | 24.7 | 27.8 | 22.2 | 20.3 |
| Average temperature (°C) | 14.7 | 14.0 | 18.1 | 17.6 | 18.1 | 21.0 | 21.7 | 24.1 | 21.7 | 24.1 | 18.8 | 17.0 |
| Average night temperature (°C) | 12.9 | 11.9 | 15.1 | 14.5 | 16.0 | 18.5 | 19.2 | 21.1 | 19.3 | 21.1 | 16.2 | 14.4 |
| Absolute minimum temperature (°C) | 10.2 | 10.0 | 11.9 | 12.2 | 13.9 | 16.1 | 17.7 | 18.9 | 16.6 | 15.7 | 14.3 | 11.3 |
| 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 | 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) | 6.7 | 9.1 | 10.3 | 11.3 | 11.5 | 11.5 | 12.0 | 11.7 | 10.6 | 8.9 | 8.9 | 7.7 |
| Precipitation (mm) | 217 | 152 | 21 | 49 | 155 | 192 | 58 | 19 | 94 | 113 | 95 | 143 |
| Sunny days | 2 | 0 | 14 | 14 | 2 | 9 | 7 | 17 | 4 | 15 | 12 | 12 |
| Rainy days | 29 | 28 | 17 | 16 | 29 | 21 | 24 | 14 | 26 | 16 | 18 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Eiras is at