Foz do Sousa

What is the climate like in Foz do Sousa?

The best time to visit Foz do Sousa is typically June – September, with trip comfort peaking in July (8.5/10). Foz do Sousa is warmest in August, when daily highs average 79°F (26°C), and coolest in January, when lows fall to about 44°F (7°C). The wettest month is typically November and the driest is August; the year sees roughly 54 in (1379 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (8.5/10)
• Warmest monthAugust — average high 79°F (26°C)
• Coolest monthJanuary — average low 44°F (7°C)
• Wettest monthNovember (7.5 in (189 mm))
• Driest monthAugust (0.5 in (13 mm))
• Annual precipitation54 in (1379 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPorto, 9 km away (1940-2026)