Annual average weather for Cascais, Portugal

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Annual Average Weather for Cascais, Portugal

The annual average maximum daily temperature is 22.1°C (71.7°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 18.7°C (65.7°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. Annually there are on average 6.0 days of rain per month and 7.9 hours of sun per day.

When is the best time to visit Cascais?

The best months to visit Cascais are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from June to September when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between June and October when the sea temperature is above the average 19°C (66°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Can you sunbathe in Cascais year round?

No, you can't sunbathe in Cascais all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is best for sunbathing in the months from June to September when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Cascais year round?

No, you can't swim in Cascais all year round.

The warmest sea water temperatures in Cascais are found in August when they peak at 22°C (71°F) and lowest in February when they dip to 16°C (61°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 19°C (66°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

The sea is good for swimming in the months from June to October when the sea temperature is above 19°C (66°F)

More info about the annual sea temperatures

When is the hottest month in Cascais?

The hottest month in Cascais is July when the average maximum temperature is very warm and perfect for sunbathing on clear days 29°C (84°F), average temperature is 24°C (75°F) and average minimum temperature is 19°C (67°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Cascais?

The coolest month in Cascais is January when the average maximum temperature is 16°C (61°F), average temperature is 12°C (53°F) and average minimum temperature is 8°C (47°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Cascais?

The sunniest days in Cascais are in July which has the most hours of sunshine per day. In July the sunshine percentage is 78.4% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Cascais?

January has the least sunshine. In January the sunshine percentage is 50.5% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Cascais?

The driest month in Cascais is July with 0cm (0inches) of rain and the least days of rain with 0.9 days with some rain, an extremely dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Cascais?

The wettest month in Cascais is October with 1.5cm (0.6inches) of rain and February has the most days of rain with 10.1 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Cascais?

The coldest sea water temperatures in Cascais are found in February when they dip to 16°C (61°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

More info about the annual sea temperatures.

When is the sea the warmest in Cascais?

The warmest sea water temperatures in Cascais are found in August when they peak at 22°C (71°F) which is comfortable for swimming though some may prefer warmer water.

More info about the annual sea temperatures.

When is the most humid month in Cascais?

The most humid month in Cascais is August with a dew point (an indicator of humidity) of 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

More info about the annual humidity.

When is the least humid month in Cascais?

The least humid month in Cascais is February with a dew point of 11°C (52°F) which is very comfortable.

More info about the annual humidity.

When is the windiest month in Cascais?

The most windy month in Cascais is April when the average maximum windspeed is 28KM/H (17MPH) and the average wind speed is 14KM/H (9MPH).

More info about the annual wind conditions.

Annual Temperature for Cascais

The hottest month in Cascais is July when the average maximum temperature is 29°C (84°F), average temperature is 24°C (75°F) and average minimum temperature is 19°C (67°F).

The coolest month in Cascais is January when the average maximum temperature is 16°C (16°F), average temperature is 12°C (53°F) and average minimum temperature is 8°C (47°F).

Annual Sunshine for Cascais

The longest days in Cascais are in June, with an average of 14.7 hours of daylight per day. December has the shortest days with an average of 9.6 hours of daylight per day.

The sunniest days in Cascais are in July which has the most hours of sunshine per day. The sunshine percentage is 78.4% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

January has the least sunshine. The sunshine percentage is 50.5% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.0 hours of sunshine per day.

The ultraviolet index is the highest in July when it reaches 10.3 and lowest in December when it reaches 2.3.

An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Cascais

The warmest sea water temperatures in Cascais are found in August when they peak at 22°C (71°F) and lowest in February when they dip to 16°C (61°F).

The sea is best for swimming between June and October when the temperature is above 19°C (66°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Annual Rainfall for Cascais

The wettest month in Cascais is October with 1.5cm (0.6inches) of rain and February has the most days of rain with 10.1 days with some rain, a pretty wet time to visit the beach.

The driest month in Cascais is July with 0cm (0inches) of rain and the least days of rain with 0.9 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Cascais

The most humid month in Cascais is August with a dew point (an indicator of humidity) of 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

The least humid month in Cascais is February with a dew point of 11°C (52°F) which is very comfortable.

Annual Wind Speed for Cascais

The most windy month in Cascais is April when the average maximum windspeed is 28KM/H (17MPH) and the average wind speed is 14KM/H (9MPH).

The least windy month in Cascais is September when the average maximum windspeed is 24KM/H (15MPH) and the average wind speed is 12KM/H (7MPH).

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