Climate almanac

Sestao

Basque Country, Spain · 43.31°, -3.01°

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What is the climate like in Sestao?

The best time to visit Sestao is typically July – September, with trip comfort peaking in July (7.3/10). Sestao is warmest in August, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 43°F (6°C). The wettest month is typically November and the driest is July; the year sees roughly 47 in (1183 mm) of precipitation.

  • Best time to visitJuly – September — comfort peaks in July (7.3/10)
  • Warmest monthAugust — average high 74°F (23°C)
  • Coolest monthJanuary — average low 43°F (6°C)
  • Wettest monthNovember (6.1 in (156 mm))
  • Driest monthJuly (2.1 in (52 mm))
  • Annual precipitation47 in (1183 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromBilbao Aeropuerto, 8 km away (1947-2026)