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PortugalPortugal Lisbon Region Cascais
Cascais
Weather averages
Climate ▸Forecast ▸January ▸February ▸
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Cascais Weather and Climate: A Comprehensive Guide

Cascais has pretty similar weather over the course of the year. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Cascais temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 22°C in August to a moderate 16°C in February.

Nighttime temperatures can drop, with average lows reaching 12°C in February. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

On average, Cascais receives a reasonable amount of rainfall, with an annual precipitation of 624 mm. The seasons in Cascais, bring significant changes in precipitation. The wettest month, November, receives moderate rainfall, with an average of 95 mm of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 3.1 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cascais Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

The average number of days each month with precipitation

Sunshine over the year

In Cascais, summer days are longer and more sunny, with daily sunshine hours peaking at 12.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.4 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

Average humidity

The relative humidity is high throughout the year in Cascais.

The city experiences its highest humidity in January, reaching 82%. In July, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Forecast for Cascais

Wed   Jan 15
15°C | 5°C
E 4 m/s
clear and no rain

clear and no rain

hourly forecast
Thu   Jan 16
15°C | 7°C
N 8 m/s
clear and no rain

clear and no rain

hourly forecast
Fri   Jan 17
14°C | 5°C
E 8 m/s
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Cascais in Portugal

During the months of June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Cascais have a dry season?
    Yes, the months of June, July and August are very dry.
  • Which is the warmest month in Cascais?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Cascais?
    The coldest month is February with an average maximum temperature of 16°C.
  • Which is the wettest month in Cascais?
    November tops the wettest month list with 95 mm of rainfall.
  • Which is the driest month in Cascais?
    July is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in Cascais?
    July is the sunniest month with an average of 385 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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