Porto weather in December
“Green, wet, atmospheric. Bring proper waterproofs.”
Roughly 14 rainy days across the month, on average.
In december, Porto settles into its quieter, cooler pace. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 15°C (58°F), cooling to 9°C after sunset. Expect meaningful rain — some 14 wet days across the month. Pack accordingly and let the weather choose your afternoons.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Porto in December
- •A compact travel umbrella — one you'll actually carry
- •A merino base layer for the cold evenings
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Porto in December
- →Lightweight fleeceAmazon · shop this
- →Merino travel socksAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Universal travel adapterAmazon · shop this
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Porto in December — FAQ
Q01Is December a good time to visit Porto?
Is December a good time to visit Porto?
It is a challenging month — you may want to consider another time of year. In December, Porto averages a high of 15°C (58°F) and a low of 9°C (48°F), with 188mm of rainfall across roughly 14 rainy days.
Q02What is the average temperature in Porto in December?
What is the average temperature in Porto in December?
The average high temperature in Porto during December is 15°C (58°F), with an average low of 9°C (48°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03How many rainy days does Porto have in December?
How many rainy days does Porto have in December?
Porto averages approximately 14 rainy days in December, with a total monthly rainfall of about 188mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Porto in December?
What should I pack for Porto in December?
For Porto in December, pack a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month.
Q05How crowded is Porto in December?
How crowded is Porto in December?
Tourist crowds in Porto during December are typically moderate. Consider this when planning accommodation — prices track crowd levels closely.