Vejret i Cascais i juli

Cascais i juli: varmt, tørt, med ren luft — en af de bedste måneder at tage afsted.

Opdateret september 2026 · klimanormaler fra ERA5-reanalysen

Cascais🇵🇹 Portugal · Lissabon & det centrale Portugal · Strand88
  1. 65jan.
  2. 69feb.
  3. 74mar.
  4. 78apr.
  5. 82maj
  6. 86jun.
  7. 88jul.
  8. 86aug.
  9. 87sep.
  10. 79okt.
  11. 67nov.
  12. 64dec.

Nr. 1 af 12 måneder i Cascais · Nr. 321 af 1413 rejsemål at besøge i juli · komfort 88/100 (niveau A)

Dage
26°C
Nætter
19°C
Våde dage
1
Sol
13 h
Luftfugtighed
75%
Dagslys
15 h
Cascais, Portugal
Foto: Mateus Castro · Pexels

Noter fra rejsende om Cascais i juli

Cascais's forum calls July hot and sunny but not especially humid, typically mid-20s to low-30s°C with a regular Atlantic breeze that helps take the edge off. Regulars flag the sea itself as genuinely cold year-round despite the warm air, and note evenings can turn cool enough for a light jacket even after a hot day.
Tripadvisor community · juli · for 8 dage siden · Læs mere på Tripadvisor ↗

Andre måneder i Cascais

Regulars are specific this counts as a genuine sunbathing month when conditions run normal, one visitor even describing early May as scorching and warm enough for paddling in the water despite how early in the season it is. Our row backs that mild, genuinely wet read, 21.9C over 15.3C nights feeling 13C, with 35mm of rain across 4.6 days and a real 23.8 kph wind. Regulars are consistent conditions here stay genuinely changeable rather than guaranteed, a sunny warm day and a cooler rainy one both realistic outcomes depending on exactly when a trip lands. The sea itself stays properly cold this early, well short of comfortable swimming temperatures for most visitors regardless of how warm the air gets. The sea sits at 16.5C. The record: 12.4 hours of sun, humidity 75 percent and AQI 48.
SunbathingPossibleButNotGuaranteed · maj · for 3 dage siden · Læs mere på Tripadvisor ↗
Cascais-forum threads on November weather call it right at the seasonal hinge: some visitors catch stretches close to beach weather, others land square in grey winter days, and the difference often comes down to which specific week a trip falls in. Posters describe overall luck with the weather as decent more often than not, rain expected but genuinely manageable around a normal sightseeing itinerary rather than a trip-ruiner. Regulars are consistent that swimming is off the table this late in the year - the water and air have both cooled enough that sunbathing and a proper swim no longer make sense, even on a warm afternoon. The clearest upside repeated across threads: the summer crowds are fully gone by November, giving the seaside promenade and old town a noticeably calmer, more local feel that many posters say they prefer to the peak-season version. The record: 18.2C days feeling like 17C, 13.4C nights, 81mm across 9.8 days, a 17.7C sea, 80 percent humidity and 7.5 hours of sun.
PraiaDaRainhaNovemberRegular · november · for 4 dage siden · Læs mere på Tripadvisor ↗
Cascais-forum threads on summer wind draw a useful distinction: the town's own small beaches aren't much bothered by it, but Guincho beach just outside town is exposed enough that locals skip it on a windy day - worth knowing before picking a beach based on the town center's calm. August itself is called the peak month for tourists, with the in-town beaches getting properly crowded, especially on weekends when Lisbon locals show up too. The record shows a cooler, breezier month than the sunny reputation implies: 26.5C days feeling like 28C, 18.8C nights, essentially none at all, a 15.9C sea on the cool side for swimming, 76 percent humidity and wind averaging 25 km/h - dry and sunny, but the Atlantic side of Portugal, not the Mediterranean.
GuinchoWindWatcher · august · for 4 dage siden · Læs mere på Tripadvisor ↗
June in Cascais is getting busier without being at its height - early dinners still get a table - and the thing regulars organise around is the wind. Flat calm is rare here and some wind is simply the norm, our row putting it at 24.4 kph. Their practical rule is geographic: it is not much of a problem in the town itself or on the small beaches inside it, but on a windy day locals do not go to Guincho, out beyond the edge of town and fully exposed. The water is the other caveat, under 20C on this coast in June - our row says 18.1C. Days can be warm and the nights are basically cool. The record: 23.6C days, 17C nights, 3.1 precipitation days carrying 9.7mm and 12.9 hours of sun.
NotGuinchoOnAWindyDay · juni · for 4 dage siden · Læs mere på Tripadvisor ↗

Tilføj din egen note fra Cascais på kortet.

Klimanormaler for Cascais — juli

Dagtemperatur26°C / 79°F🌤 varmt
Nattemperatur19°C / 65°F
Føles som (dag)27°C / 81°F
Havtemperatur17°C / 62°F🧊 friskt
Nedbør2 mm / 0.1 in☀️ tørt
Regnvejrsdage1 dage
Luftfugtighed75 %💦 meget fugtigt
Dugpunkt16°C / 60°F
Solskin13 t/dag
Dagslys14.6 t
Vind25 km/t / 16 mph
Luftkvalitet (US AQI)39🍃 god

Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.

Travlhed i Cascais i juli

Hvor travlt der er på selve stedet — skoleferier og masseferier, de måneder en redaktør har markeret, og hvor eftertragtet vejret gør dem. Aldrig en del af komfortscoren.

TætpakketLisbon's summer coast, Summer holidays i Portugal, skoleferie på 7 af de markeder, der fylder stedet(anslået)

JFMAMJJASOND

TætpakketTravltSkuldersæsonStille

Bedste måneder for vejret i Cascais

Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).

Bedste vejrDet bedste vejr i Cascais kommer i juni, juli og september — adskilte vinduer, ikke én sammenhængende sæson.

JFMAMJJASOND

Bedste vejrPænt vejrHårdeste vejr

Det sker i Cascais i juli

Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.

  • Sæson

    The nortada

    15. jun. – 15. sep. · normaltVindsæsonRisiko

    The 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.

  • Helligdag

    Lisbon's summer coast

    1. jul. – 31. aug.SkoleferieTætpakketBook tidligt

    The 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. Kilde ↗

  • Sæson

    Sea at its warmest

    20. jul. – 5. okt. · normaltHavet er varmt nok

    The 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.

Det sker rundt om i verden i juli →

Lige i nærheden sker der noget

Inden for 300 km fra Cascais — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.

Hvor ligger Cascais?

Indlæser kort…

Cascais i juli — ofte stillede spørgsmål

Er juli et godt tidspunkt at besøge Cascais?
Cascais i juli: varmt, tørt, med ren luft — en af de bedste måneder at tage afsted. Måneden ligger nr. 1 ud af 12 for Cascais på SeasonMaps komfortscore (88/100).
Hvordan er vejret i Cascais i juli?
I juli har Cascais i gennemsnit en dagtemperatur på 26 °C og en nattemperatur på 18.6 °C, med omkring 2.1 mm regn fordelt på cirka 0.5 regnvejrsdage.
Hvordan er luftkvaliteten i Cascais i juli?
Cascais har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 39 i juli.

Inden for 300 km: Évora's Cork stripping, omkring 15. maj – 31. aug. og Lagos' Dolphins offshore, omkring 1. apr. – 31. okt..

Vejret i Cascais i juli: 26 °C, 1 regnvejrsdage, 13 t sol | SeasonMap