Climate almanac
Arcos de Valdevez
Viana do Castelo, Portugal · 41.85°, -8.42°
What is the climate like in Arcos de Valdevez?
The best time to visit Arcos de Valdevez is typically July – August, with trip comfort peaking in July (8.4/10). Arcos de Valdevez is warmest in August, when daily highs average 80°F (26°C), and coolest in January, when lows fall to about 40°F (5°C). The wettest month is typically October and the driest is August; the year sees roughly 76 in (1935 mm) of precipitation.
- Best time to visitJuly – August — comfort peaks in July (8.4/10)
- Warmest monthAugust — average high 80°F (26°C)
- Coolest monthJanuary — average low 40°F (5°C)
- Wettest monthOctober (10 in (263 mm))
- Driest monthAugust (0.9 in (24 mm))
- Annual precipitation76 in (1935 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromVigo Peinador, 47 km away (1960-2026)