Mértola Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Mértola, Alentejo, Portugal. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Mértola. Expect long, bright days with 370 hours in July and darker periods with just 148 hours in December. The total annual amount of sun is 2932 hours.

Daily hours of sunshine

For those who appreciate different seasons, Mértola serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.9 hours of daily sunlight.

Average percent of sunshine

On average the sun shines 87% of the time during the day in July, the highest percentage of any month. January has the lowest percentage at 51%.

Mértola vs Major Cities: Sunshine Compared

Mértola enjoys an average of 2932 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, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

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

Related Climate Data for Mértola

October, Mértola’s wettest month, receives 1.7 mm (0.1 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month July you can expect a temperature of 34°C (93°F).

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