Same month. Same measures. A little more clarity before you choose.
Riverfront squares, an expansive downtown, and several neighborhoods to explore. The Baixa walk is a compact place to begin.
Explore Lisbon
A second city to explore beside the Douro. Use the original city guide and check the terrain of any walk you choose.
Explore PortoLisbon has lower average precipitation in the selected month. The difference is 45.0 mm; neither place comes with a guarantee of dry days. This comparison does not measure hotel prices, crowds or how much you’ll enjoy a city.
Both datasets cover 1981–2010, an older historical baseline. Lisbon uses the Instituto Geofísico station; Porto uses Pedras Rubras, near the airport. Their surroundings differ from individual streets and viewpoints. Sources were checked in September 2026.
Voyage