What's on in Cascais, Portugal through the year
Cascais, Portugal has 6 curated events through the year — 2 festivals, 1 holiday and 3 seasons. The ones to plan around: Festas do Mar (August) and Cascais Christmas Village (November). July, August and December are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Cascais events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Quiet |
| February | — | Busy |
| March | — | Busy |
| April | — | Busy |
| May | — | Shoulder season |
| June | The nortada | Busy |
| July | Lisbon's summer coast, Sea at its warmest | Peak crowds |
| August | Festas do Mar | Peak crowds |
| September | — | Busy |
| October | Winter swell season | Shoulder season |
| November | Cascais Christmas Village | Busy |
| December | — | Peak crowds |
January in Cascais
Cascais weather in January →Quiet — travelers describe it as quiet, Cascais Christmas Village
Nothing new starts in January.
Still on: Winter swell season (1 Oct – 31 Mar), Cascais Christmas Village (20 Nov – 5 Jan (usually))
February in Cascais
Cascais weather in February →Busy — Carnival holidays in Portugal, school holidays in 3 of the markets that fill it
Nothing new starts in February.
Still on: Winter swell season (1 Oct – 31 Mar)
March in Cascais
Cascais weather in March →Busy — Easter holidays in Portugal, school holidays in 4 of the markets that fill it
Nothing new starts in March.
Still on: Winter swell season (1 Oct – 31 Mar)
April in Cascais
Cascais weather in April →Busy — Easter holidays in Portugal, school holidays in 6 of the markets that fill it
Nothing new starts in April.
May in Cascais
Cascais weather in May →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
Nothing new starts in May.
June in Cascais
Cascais weather in June →Busy — Summer holidays in Portugal, school holidays in 4 of the markets that fill it
- Season
The nortada
15 Jun – 15 Sep · usuallyWind seasonRiskThe north wind gets up most summer afternoons, which is why Guincho belongs to kitesurfers and why the sheltered town beaches fill instead. Mornings are the calm half of the day.
July in Cascais
Cascais weather in July →Peak crowds — Lisbon's summer coast, Summer holidays in Portugal
- Holiday
Lisbon's summer coast
1 Jul – 31 AugSchool holidaysCrowdedBook earlyThe Cascais line runs standing-room only at weekends once the schools break, and the town is as much a Lisbon suburb on holiday as a resort. Weekdays are a different place. Source ↗
- Season
Sea at its warmest
20 Jul – 5 Oct · usuallySea warm enoughThe Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September. The bay beaches are always a little warmer than Guincho.
Still on: The nortada (15 Jun – 15 Sep (usually))
August in Cascais
Cascais weather in August →Peak crowds — Lisbon's summer coast, Festas do Mar
- Festival
Festas do Mar
20–30 AugMajor festivalCrowdedFree concerts on the bay across the last two weekends of August, closing with the fishermen's procession for Nossa Senhora dos Navegantes. The bay road is shut on concert nights. Source ↗
Still on: The nortada (15 Jun – 15 Sep (usually)), Lisbon's summer coast (1 Jul – 31 Aug), Sea at its warmest (20 Jul – 5 Oct (usually))
September in Cascais
Cascais weather in September →Busy — Summer holidays in Portugal, school holidays in 3 of the markets that fill it
Nothing new starts in September.
Still on: The nortada (15 Jun – 15 Sep (usually)), Sea at its warmest (20 Jul – 5 Oct (usually))
October in Cascais
Cascais weather in October →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
- Season
Winter swell season
1 Oct – 31 MarSurf seasonThe Atlantic lows that make winter here grey are the same ones that make it the serious surf half of the year, at Guincho and around the point at Carcavelos.
Still on: Sea at its warmest (20 Jul – 5 Oct (usually))
November in Cascais
Cascais weather in November →Busy — Cascais Christmas Village, school holidays in 2 of the markets that fill it
- Festival
Cascais Christmas Village
20 Nov – 5 Jan · usuallyChristmas & New YearCrowdedThe Parque Marechal Carmona is given over to a ticketed Christmas village from late November, which is what fills the town on winter weekends when the beach cannot. Source ↗
Still on: Winter swell season (1 Oct – 31 Mar)
December in Cascais
Cascais weather in December →Peak crowds — Cascais Christmas Village, Christmas holidays in Portugal
Nothing new starts in December.
Still on: Winter swell season (1 Oct – 31 Mar), Cascais Christmas Village (20 Nov – 5 Jan (usually))