Estoril 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 Estoril, Lisbon Region, Portugal. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Estoril 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 Estoril. 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%.

Estoril vs Major Cities: Sunshine Compared

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

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

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.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Related Climate Data for Estoril

November, Estoril’s wettest month, receives 5.1 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 Estoril Precipitation page.