Santa Cruz do Douro Weather & Climate: Best Time to Visit

In Santa Cruz do Douro, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a chilly 12°C (54°F) in January.

Nighttime temperatures range from 15°C (59°F) in August to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Santa Cruz do Douro experiences significant rainfall throughout the year, averaging 1324 mm (52 in) of precipitation annually. The seasons in Santa Cruz do Douro bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 171 mm (6.7 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 28 mm (1.1 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santa Cruz do Douro Precipitation page.

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

The average number of days each month with precipitation

In Santa Cruz do Douro, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.1 hours per average 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 Santa Cruz do 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