Climate almanac
Castro-Urdiales
Cantabria, Spain · 43.38°, -3.22°
What is the climate like in Castro-Urdiales?
The best time to visit Castro-Urdiales is typically June – September, with trip comfort peaking in July (7.6/10). Castro-Urdiales is warmest in August, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 48°F (9°C). The wettest month is typically November and the driest is July; the year sees roughly 47 in (1191 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in July (7.6/10)
- Warmest monthAugust — average high 74°F (23°C)
- Coolest monthJanuary — average low 48°F (9°C)
- Wettest monthNovember (7.1 in (180 mm))
- Driest monthJuly (1.7 in (43 mm))
- Annual precipitation47 in (1191 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBilbao Aeropuerto, 27 km away (1947-2026)