The Camino del Norte traces a green Atlantic coastline from Irún to Santiago de Compostela, where maritime systems bring quick swings between sun, cloud, and showers. April, May, and September are often chosen for a balance of cooler temperatures, longer daylight, and generally settled stretches along this route. Weather remains changeable year‑round; inland sections are typically calmer than exposed capes and headlands, while Galicia trends wetter than the eastern coast throughout much of the year.