Porto in December
In December, Porto averages 14°C (57°F) during the day and 9°C (48°F) at night, with frequent rain — about 14 days of the month see precipitation (165 mm total).
Conditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
December is one of the wetter and less comfortable months in Porto. If your dates are flexible, consider a different time of year.
14°C
Avg high
9°C
Avg low
14
Rain days
165 mm
Rainfall
Porto in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 8°C / 46°F | 130 mm | 14 | 0 |
| February | 15°C / 59°F | 8°C / 46°F | 105 mm | 13 | 0 |
| March | 17°C / 63°F | 9°C / 48°F | 85 mm | 12 | 0 |
| April | 18°C / 64°F | 11°C / 52°F | 90 mm | 13 | 0 |
| May | 20°C / 68°F | 13°C / 55°F | 75 mm | 12 | 0 |
| June | 24°C / 75°F | 15°C / 59°F | 35 mm | 8 | 0 |
| July | 26°C / 79°F | 17°C / 63°F | 20 mm | 4 | 0 |
| August | 26°C / 79°F | 17°C / 63°F | 20 mm | 4 | 0 |
| September | 25°C / 77°F | 16°C / 61°F | 65 mm | 8 | 0 |
| October | 21°C / 70°F | 14°C / 57°F | 130 mm | 13 | 0 |
| November | 17°C / 63°F | 11°C / 52°F | 145 mm | 14 | 0 |
| December | 14°C / 57°F | 9°C / 48°F | 165 mm | 14 | 0 |
Other cities with similar December weather
Check the live 10-day forecast and sunrise/sunset.