Cascais Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Cascais, Lisbon Region, Portugal. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Sunshine in Cascais varies greatly throughout the year. The sunniest month, July, reaches an impressive 385 hours, while December, the darkest month, offers only 162 hours. The total annual amount of sun is 3091 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Cascais. While July receives considerable daily sunshine with up to 12.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.4 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 85% of the time during the day in July, the highest percentage of any month. January has the lowest percentage at 53%.

Cascais enjoys an average of 3091 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

November, Cascais’s wettest month, receives 5 mm (0.2 in) of rainfall and has a maximum daytime temperature of 18°C (64°F). During the driest month July you can expect a temperature of 22°C (72°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Cascais Precipitation page.