Portimão (Praia da Rocha) weather by month
The best time to visit Portimão (Praia da Rocha) is June, July and September — 91/100 in June, 27°C and 2 rainy days. The best season is summer, June to August (89/100 on average).
The worst month is December at 69/100 — cool, a little rain, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Portugal →
Best season: June to August (89/100 on average) · worst December (69/100)
- Days
- 27°C
- Nights
- 17°C
- Wet days
- 2
- Sun
- 13.1 h
- Humidity
- 62%
- Daylight
- 15 h
Portimão, month by month
Comfort score out of 100 for the kind of trip Portimão is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Portimão through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- March
- Easter week29 Mar – 5 AprHoliday
- June
- Sea warm enough25 Jun – 5 Oct (usually)Season
- July
- August peak15 Jul – 31 AugHoliday
- Serra de Monchique fire season1 Jul – 30 SepHazard
- August
- Festival da Sardinha4–9 AugFestival
- November
- Winter long-stay season1 Nov – 31 MarSeason
- December
- Christmas and New Year24 Dec – 1 JanHoliday
Crowds in Portimão in June
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.
BusySummer holidays in Portugal, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Good to know before you go to Portimão
Real experiences from travellers' own write-ups, quoted with a link to the original.
Food & drink
A local's guide to Portimão recommends one of the seafood restaurants right at the marina for a relaxed lunch with views across the river to Ferragudo, rather than eating further inland away from the water. Their timing tip for the best atmosphere: come to the marina in early evening once the day's heat has eased, grab a drink from a nearby café, and watch the river catch the sunset light, a noticeably calmer scene than the marina's busier midday crowds.
Traveller notes on Portimão
What people who have been say about the place — the year-round notes first, then month by month.
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.
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.
Add your own note from Portimão's card on the map.