Riba Douro Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to moderate in Riba Douro. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 12°C (54°F).

At night, temperatures range from around 15°C (59°F) in August to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Riba Douro has a relatively rainy climate with high precipitation levels, averaging 1385 mm (55 in) of rainfall annually. Riba Douro can be quite wet during October, receiving approximately 178 mm (7 in) of precipitation over 14 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 29 mm (1.1 in) of precipitation spread across 7 rainy days. For more details, please visit our Riba Douro Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Riba Douro can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.2 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.1 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Riba Douro.

The city experiences its highest humidity in January, reaching 81%. In July, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year