Climate averages 1991–2020
Weather in Portugal in August
In August, average daytime highs across the 12 cities listed in Portugal range from 24.4°C in Queluz to 28.9°C in Setúbal. Monthly rainfall ranges from 2.0 mm in Faro to 39 mm in Braga.
Long-term climate patterns, not a forecast for a particular trip.
City by city
August in Portugal
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Lisbon | 26.3°C18.6°C | 18.6°C | 4.1 | 1.0 |
| Porto | 26.2°C17.2°C | 17.2°C | 29 | 4.5 |
| Braga | 26.4°C15.4°C | 15.4°C | 39 | 4.8 |
| Amadora | 26.2°C18.0°C | 18.0°C | 4.1 | 1.0 |
| Coimbra | 28.9°C16.5°C | 16.5°C | 14 | 3.1 |
| Leiria | 27.1°C16.9°C | 16.9°C | 9.6 | 2.1 |
| Setúbal | 28.9°C18.1°C | 18.1°C | 2.8 | 0.6 |
| Funchal | 25.6°C20.9°C | 20.9°C | 6.6 | 2.5 |
| Viseu | 27.9°C15.8°C | 15.8°C | 26 | 4.6 |
| Queluz | 24.4°C18.2°C | 18.2°C | 4.1 | 1.0 |
| Aveiro | 27.3°C17.2°C | 17.2°C | 17 | 3.4 |
| Faro | 26.4°C20.6°C | 20.6°C | 2.0 | 0.3 |
A rain day is a local calendar day with at least 1 mm of precipitation.