Sintra Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Sintra, Lisbon Region, Portugal. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Sintra 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

In Sintra, 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 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%.

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

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

November, Sintra’s wettest month, receives 5.7 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 23°C (73°F).

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