Best year time to visit Cascais

General weather information about Cascais

Average annual temperature is 16.2 °C

Absolute maximum temperature: 29.8 °C

Absolute minimum temperature: 4.5 °C

Number of sunny days: 206 days

Number of rainy days: 159 days

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* Weather data for Cascais Portugal is based on climate observations for 2026 year

Cascais air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.518.723.126.825.123.923.129.827.727.919.718.0
Average daytime temperature (°C)13.914.716.019.219.921.421.623.322.021.817.715.1
Average temperature (°C)11.611.413.616.117.019.018.920.119.119.115.612.6
Average night temperature (°C)9.48.611.213.414.517.016.717.716.916.913.610.3
Absolute minimum temperature (°C)4.75.94.510.712.715.115.615.715.013.18.36.0

Cascais monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.314.814.613.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)7.59.08.911.112.412.513.011.910.07.77.36.5
Precipitation (mm)73413623193422581368048
Sunny days151713191920242515121314
Rainy days1611181112107615191717
Snow days000000000000

Cascais - weather forecast by months

Cascais weather in januaryCascais weather in februaryCascais weather in marchCascais weather in aprilCascais weather in mayCascais weather in juneCascais weather in julyCascais weather in augustCascais weather in septemberCascais weather in octoberCascais weather in novemberCascais weather in december

Best time to visit Cascais:

The best time to visit Cascais during the most sunny months:

  • May — 12.4(h)
  • June — 12.5(h)
  • July — 13.0(h)

The largest precipitation sum in Cascais is at

  • January — 73(mm)
  • October — 136(mm)
  • November — 80(mm)

    • Weather forecast in the closest to Cascais admin centers

    Weather forecast in the closest towns to Cascais

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    Frequently asked questions

    When is the best time to visit Cascais?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Cascais.
    What is the weather like in Cascais?
    See average temperature, rainfall and daylight hours for Cascais by month in the table above.
    How many sunny days does Cascais have?
    The monthly weather statistics above show sunshine and rainfall patterns for Cascais throughout the year.