Porto weather in December
Porto in December averages 11°C (52°F), 173 mm of rain and 3.9 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Porto, December is the third coldest, the second wettest and the dullest.
- Average temp
- 11°C (52°F)
8–15°C · 46–58°F
- Rainfall
- 173 mm
A wet month
- Sunshine
- 3.9 h
hours per day
- Wind
- 13 km/h
What is Porto like in December?
Daytime
Days are cool.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Porto in December?
A proper waterproof, not a folding umbrella
173 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
A warm mid-layer
Nights drop to around 8°C (46°F).
December compared with November and January
December in Porto is 1.9°C cooler than November and about as wet as it, which averages 13°C (56°F).
December in Porto is 1.1°C warmer than January and 22 mm wetter than it, which averages 10°C (50°F).
Daylight in Porto in December
On 15 December the sun is up for 9 hours 14 minutes in Porto, rising about 07:53 and setting about 17:06 local time.
December ends 10 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
No month in Porto has less daylight than December.
Where to stay in Porto
Dates are a starting point for December.
Travel guides for Porto
What to read before you book.
Porto weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 10°C / 50°F | 151 mm |
| February | 11°C / 51°F | 97 mm |
| March | 13°C / 56°F | 104 mm |
| April | 14°C / 58°F | 99 mm |
| May | 16°C / 61°F | 89 mm |
| June | 18°C / 64°F | 35 mm |
| July | 20°C / 68°F | 22 mm |
| August | 20°C / 68°F | 33 mm |
| September | 19°C / 67°F | 75 mm |
| October | 17°C / 63°F | 158 mm |
| November | 13°C / 56°F | 181 mm |
| December | 11°C / 52°F | 173 mm |
Check another month
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FAQs about Porto in December
December climate averages for Porto, 1991–2020.
Porto averages 11°C (52°F) in December, ranging from about 8°C (46°F) at night to 15°C (58°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. December brings about 173 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
Yes. December averages 11°C (52°F) against 10°C (50°F) in January — 1.1°C warmer.
December is 1.9°C cooler than November, and about as wet.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 3.9 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 14 minutes of daylight in mid-December, the least of any month in Porto.
On 15 December, sunrise is about 07:53 and sunset about 17:06 local time. Both shift across the month — the month ends 10 minutes shorter than it starts.
