Portimão (Praia da Rocha) weather in December
December in Portimão: cool, a little rain, with clean air — a good time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#12 of 12 months in Portimão · #762 of 1413 destinations to visit in December · comfort 69/100 (tier C)
- Days
- 17°C
- Nights
- 10°C
- Wet days
- 7
- Sun
- 7.7 h
- Humidity
- 80%
- Daylight
- 10 h
Traveller notes on Portimão in December
Portimão's forum describes December as changeable but mild by northern European standards - typical days around 17C, occasionally reaching 20C, dropping to 8-10C overnight. Rain shows up regularly but posters were clear it's not an all-day, every-day thing, and the prevailing northerly wind is the bigger factor in how cold a day actually feels. For a rainy day, several people pointed to Portimão's indoor shopping malls, while clear days are good for trips inland to Silves, Monchique or the Foia mountain. Most cafes and restaurants stay open through the off-season.
Other months in Portimão
Forum posters describe June temperatures building through the month - typically 24-25C early on, climbing to 27-30C by the end - with genuinely warm, sunny days the norm and rain called unusual. One visitor's mid-June report described perfect, hot and sunny weather with a pleasant sea breeze and no cloud cover. Posters do note a real evening chill factor: a sudden drop from 27C daytime down to around 20C once the sun sets and a breeze picks up, so a light layer for the evening is standard advice even during an otherwise hot stretch. The clear appeal of June specifically: pleasant, reliably warm weather without the full crowds and peak prices of July-August.
Add your own note from Portimão's card on the map.
Portimão climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Portimão in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quiettravelers describe it as quiet, Christmas and New Year, Christmas holidays in Portugal
Sourced from traveler notes: “…mountain. Most cafes and restaurants stay open through the off-season.” — AlgarveWinterRegular
Peak crowdsBusyShoulder seasonQuiet
Best months for Portimão's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherPortimão's best weather comes in June, July and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Portimão in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Winter long-stay season
1 Nov – 31 MarWinter-sun seasonNorthern Europeans take apartments by the month and the golf courses and the walking routes are the draw rather than the beach. Plenty stays open, but the nightlife strip does not.
- Holiday
Christmas and New Year
24 Dec – 1 JanChristmas & New YearClosuresChristmas is kept at home: from the afternoon of 24 December through the 25th most restaurants, shops and museums close, and 1 January is just as quiet. Restaurants that do open on New Year's Eve usually sell set dinners that book up ahead. Source ↗
Nearby, and something's on
Within 300 km of Portimão — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Portimão?
Portimão in December — FAQ
- Is December a good time to visit Portimão?
- December in Portimão: cool, a little rain, with clean air — a good time to visit. It ranks #12 of 12 months for Portimão on SeasonMap's comfort score (69/100).
- What is the weather like in Portimão in December?
- In December, Portimão averages a daily high of 17.1°C and a low of 10.3°C, with about 50.8 mm of rain over roughly 7.2 rainy days.
- What is the air quality in Portimão in December?
- Portimão has a mean US Air Quality Index of about 33 in December.
Within 300 km: Faro's Winter birds on the Ria Formosa around 1 Nov – 31 Mar, and Tavira's Waders on the Ria Formosa around 1 Oct – 31 Mar.