Climate averages 1991–2020
Weather in Portugal in May
In May, average daytime highs across the 12 cities listed in Portugal range from 19.2°C in Queluz to 22.3°C in Setúbal. Monthly rainfall ranges from 24 mm in Faro to 121 mm in Braga.
Long-term climate patterns, not a forecast for a particular trip.
City by city
May in Portugal
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Lisbon | 20.5°C14.3°C | 14.3°C | 42 | 5.9 |
| Porto | 20.1°C12.3°C | 12.3°C | 101 | 11.1 |
| Braga | 19.9°C10.2°C | 10.2°C | 121 | 11.3 |
| Amadora | 20.2°C13.6°C | 13.6°C | 42 | 5.9 |
| Coimbra | 22.0°C11.5°C | 11.5°C | 73 | 9.2 |
| Leiria | 21.4°C12.7°C | 12.7°C | 63 | 8.7 |
| Setúbal | 22.3°C13.6°C | 13.6°C | 35 | 5.1 |
| Funchal | 19.9°C15.8°C | 15.8°C | 28 | 7.4 |
| Viseu | 20.0°C9.9°C | 9.9°C | 98 | 11.6 |
| Queluz | 19.2°C14.1°C | 14.1°C | 42 | 5.9 |
| Aveiro | 21.2°C12.7°C | 12.7°C | 79 | 9.6 |
| Faro | 20.7°C15.5°C | 15.5°C | 24 | 4.5 |
A rain day is a local calendar day with at least 1 mm of precipitation.