Riba Douro Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Riba Douro, Portugal. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

If you're visiting Riba Douro, timing is key. In July, you can enjoy up to 307 hours of sunshine, while the shorter days of January provide just 122 hours. The total annual amount of sun is 2465 hours.

Daily hours of sunshine

For those who appreciate different seasons, Riba Douro serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.2 hours of sunshine daily, and embrace the darker days in January, offering only 4.1 hours of daily sunlight.

Average percent of sunshine

On average the sun shines 73% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 46%.

Riba Douro enjoys an average of 2465 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

October, Riba Douro’s wettest month, receives 35 mm (1.4 in) of rainfall and has a maximum daytime temperature of 20°C (68°F). During the driest month July you can expect a temperature of 27°C (81°F).

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