The Caminho da Geira e dos Arrieiros spans from Braga in Portugal to Santiago de Compostela in Spain, offering varied weather conditions throughout the journey.
In the northern region of Portugal, including areas like Braga, Caldelas, Campo do Gerês, Lobios, Castro Laboreiro, and Cortegada, expect temperatures to range from 15°C to 29°C in August. There is a high likelihood of sunny days, although occasional patchy rain and overcast skies can occur. Precipitation tends to be low, generally under 1.2 mm per day, with some locations experiencing virtually no rain.
As you cross into Spain, moving through regions such as Pazos de Arenteiro, Beariz, and reaching Santiago de Compostela, the weather remains generally similar with temperatures between 13°C and 26°C. Sunny days are prevalent, but you may encounter more frequent and heavier rain, especially towards the end of the route. Some regions see average precipitation up to 2.3 mm per day, with overcast conditions becoming more common.
Overall, the route in August is marked by warm temperatures, frequent sunny days, and moderate chances of rain, with precipitation generally increasing as you progress north into Spain.
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