Foz do Douro

What is the climate like in Foz do Douro?

The best time to visit Foz do Douro is typically June – September, with trip comfort peaking in July (8.5/10). Foz do Douro is warmest in August, when daily highs average 73°F (23°C), and coolest in January, when lows fall to about 49°F (9°C). The wettest month is typically November and the driest is August; the year sees roughly 46 in (1174 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (8.5/10)
• Warmest monthAugust — average high 73°F (23°C)
• Coolest monthJanuary — average low 49°F (9°C)
• Wettest monthNovember (6.7 in (169 mm))
• Driest monthAugust (0.5 in (12 mm))
• Annual precipitation46 in (1174 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPorto, 6 km away (1940-2026)