Arcos de Valdevez weather
Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Arcos de Valdevez, Viana do Castelo, Portugal.
Best Time to Visit
Peak season May–SepOff season Nov–Mar
Arcos de Valdevez weather by month
When is the best time to visit Arcos de Valdevez?
Based on weather alone, the best time to visit Arcos de Valdevez is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 9°C (48°F) in January to 28°C (82°F) in August.
What is the rainiest month in Arcos de Valdevez?
October is the wettest month, with about 152 mm (6.0 in) of rain on average. July is the driest, with about 25 mm (1.0 in).
What is the hottest month in Arcos de Valdevez?
August is the warmest, with average highs of 28°C (82°F) and lows of 12°C (54°F). January is the coolest, with highs of 9°C (48°F) and lows of 2°C (36°F).
Does Arcos de Valdevez have a rainy season?
Yes. Oct is the rainy season (150 mm or more a month), while Jun–Sep is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months