Climate averages 1991–2020
Weather in Portugal in December
In December, average daytime highs across the 12 cities listed in Portugal range from 11.1°C in Viseu to 17.7°C in Funchal. Monthly rainfall ranges from 77 mm in Setúbal to 205 mm in Braga.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Portugal
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Lisbon | 14.3°C10.2°C | 10.2°C | 79 | 9.3 |
| Porto | 13.5°C7.4°C | 7.4°C | 167 | 12.4 |
| Braga | 12.5°C4.8°C | 4.8°C | 205 | 13.1 |
| Amadora | 14.6°C9.7°C | 9.7°C | 79 | 9.3 |
| Coimbra | 14.3°C6.0°C | 6.0°C | 111 | 10.9 |
| Leiria | 15.0°C8.2°C | 8.2°C | 91 | 10.3 |
| Setúbal | 15.4°C9.4°C | 9.4°C | 77 | 9.1 |
| Funchal | 17.7°C15.1°C | 15.1°C | 83 | 10.4 |
| Viseu | 11.1°C4.1°C | 4.1°C | 160 | 11.6 |
| Queluz | 14.7°C10.7°C | 10.7°C | 79 | 9.3 |
| Aveiro | 14.3°C7.6°C | 7.6°C | 141 | 12.2 |
| Faro | 15.9°C12.1°C | 12.1°C | 90 | 7.7 |
A rain day is a local calendar day with at least 1 mm of precipitation.