Vila Nova de Gaia has a mild Mediterranean climate with four distinct seasons. The weather in Vila Nova de Gaia is influenced by its proximity to the Atlantic Ocean and the Douro River, which can moderate the temperatures and bring occasional rain and wind. Spring in Vila Nova de Gaia is usually mild and sunny, with average temperatures ranging from 10°C to 20°C (50°F to 68°F). The summer is warm and sunny, with average temperatures ranging from 16°C to 27°C (61°F to 81°F). Fall in Gaia is mild and pleasant, with average temperatures ranging from 10°C to 20°C (50°F to 68°F). And the winter is relatively mild, with average temperatures ranging from 6°C to 15°C (43°F to 59°F). Overall, the weather in Vila Nova de Gaia is mild and pleasant throughout the year, making it a great destination for outdoor activities and sightseeing.