Cascais weather in July 2025

Expect daytime maximum temperatures of 79°F in Cascais, Portugal in July based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in July in Cascais79
    79°F max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in July in Cascais2
    2 days with some rainfall
  • 63°F minimum night-time temperature in July in Cascais63
    63°F min night temperature
  • 15 hours of daylight per day in July in Cascais15
    15 hours of daylight per day
  • No heat & humidity in July in Cascais0
    No heat & humidity
  • 0.3 inches monthly rainfall in July in Cascais0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Cascais9
    9 (Very High) UV index
  • 64°F sea temperature in July in Cascais64
    64°F sea temperature

More about Cascais

Cascais by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Portugal

Mercury Holidays: 3rd week FREE offer

  • Book a 2 week holiday & get a third week FREE
  • 3rd week on B&B basis - upgrades available
  • Destinations include the Algarve, Cyprus, Spain & Malta
Go to Mercury Holidays deal >>

View all Mercury Holidays offers

The July weather guide for Portugal (Cascais) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about Portugal

How hot is it in Cascais in July?

Daytime temperatures usually reach 79°F in Cascais in July with no heat and humidity, falling to 63°F at night.

How sunny is it in Cascais in July?

There are normally 11 hours of bright sunshine each day in Cascais in July - that's 77% of daylight hours.

How warm is the sea around Cascais in July?

The average sea temperature around Cascais in July is 64°F.

Does it ever rain in Cascais in July?

There are usually 2 days with some rain in Cascais in July and the average monthly rainfall is 0.3 inches.

Cascais July sunrise & sunset times

Browse the sunrise and sunset times for Cascais in July 2025. Select a month to view Cascais sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:17 20:06
Wednesday, 16th July 2025 05:26 20:01
Thursday, 31st July 2025 05:38 19:49

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^