Climate almanac

Mértola

Beja, Portugal · 37.64°, -7.66°

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What is the climate like in Mértola?

The best time to visit Mértola is typically May – September, with trip comfort peaking in July (9.6/10). Mértola is warmest in August, when daily highs average 93°F (34°C), and coolest in January, when lows fall to about 43°F (6°C). The wettest month is typically March and the driest is July; the year sees roughly 15 in (388 mm) of precipitation.

  • Best time to visitMay – September — comfort peaks in July (9.6/10)
  • Warmest monthAugust — average high 93°F (34°C)
  • Coolest monthJanuary — average low 43°F (6°C)
  • Wettest monthMarch (2.8 in (71 mm))
  • Driest monthJuly (0.0 in (1 mm))
  • Annual precipitation15 in (388 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromBeja, 45 km away (1957-2025)