Average annual temperature is 16.6 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 217 days
Number of rainy days: 148 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) | 17.6 | 19.5 | 26.2 | 30.6 | 31.9 | 33.4 | 30.7 | 41.0 | 34.1 | 34.5 | 21.4 | 19.4 |
| Average daytime temperature (°C) | 13.7 | 15.2 | 18.3 | 23.4 | 23.7 | 26.4 | 26.5 | 29.5 | 25.3 | 24.5 | 18.3 | 14.5 |
| Average temperature (°C) | 10.1 | 10.1 | 13.6 | 17.0 | 18.3 | 20.7 | 20.9 | 22.7 | 20.1 | 19.6 | 14.9 | 10.8 |
| Average night temperature (°C) | 7.0 | 6.1 | 9.9 | 12.0 | 14.0 | 16.5 | 16.7 | 18.1 | 16.5 | 16.0 | 12.0 | 7.7 |
| Absolute minimum temperature (°C) | 1.6 | 2.3 | 2.9 | 9.1 | 11.5 | 13.6 | 15.4 | 15.2 | 13.9 | 12.0 | 7.6 | 3.2 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.1 | 8.9 | 9.0 | 10.9 | 11.9 | 12.6 | 12.9 | 12.0 | 9.8 | 7.6 | 7.0 | 6.1 |
| Precipitation (mm) | 57 | 25 | 32 | 17 | 11 | 41 | 1 | 2 | 54 | 100 | 72 | 42 |
| Sunny days | 18 | 16 | 18 | 24 | 16 | 17 | 26 | 27 | 12 | 12 | 13 | 18 |
| Rainy days | 13 | 12 | 13 | 6 | 15 | 13 | 5 | 4 | 18 | 19 | 17 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Eiras during the most sunny months:
The largest precipitation sum in Eiras is at