Cascais weather in October 2025

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cascais in October. Check more long-term weather averages for Cascais in October before you book your next holiday to Portugal in 2025/2026.

  • 22°C maximum daytime temperature in October in Cascais22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in October in Cascais11
    11 days with some rainfall
  • 14°C minimum night-time temperature in October in Cascais14
    14°C min night temperature
  • 11 hours of daylight per day in October in Cascais11
    11 hours of daylight per day
  • No heat & humidity in October in Cascais0
    No heat & humidity
  • 89 mm monthly rainfall in October in Cascais89
    89 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Cascais4
    4 (Moderate) UV index
  • 18°C sea temperature in October in Cascais18
    18°C sea temperature

More about Cascais

Cascais by month

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

Recommended for Portugal

  • Save up to £60 per person on holidays with myJet2
  • £60pp off winter 2024/2025 & £50pp off summer 2025
  • Travel before 31st October 2025 (inclusive)

Expires at 23:59 on Saturday 30th Nov 2024 · View all Jet2holidays offers

Jet2holidaysJet2holidays deal finder

The October 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 / mm)  |  Imperial (°F / inches)

Back to top

More about Portugal

How hot is it in Cascais in October?

Daytime temperatures usually reach 22°C in Cascais in October, falling to 14°C at night.

How sunny is it in Cascais in October?

There are normally 7 hours of bright sunshine each day in Cascais in October - that's 60% of daylight hours.

How warm is the sea around Cascais in October?

The average sea temperature around Cascais in October is 18°C.

Does it rain in Cascais in October?

There are usually 11 days with some rain in Cascais in October and the average monthly rainfall is 89mm.

Cascais October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:34 18:20
Thursday, 16th October 2025 06:48 17:58
Friday, 31st October 2025 07:04 17:38

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^