Climate almanac

Oiã

Aveiro, Portugal · 40.54°, -8.54°

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What is the climate like in Oiã?

The best time to visit Oiã is typically June – September, with trip comfort peaking in July (8.8/10). Oiã is warmest in August, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 44°F (6°C). The wettest month is typically November and the driest is August; the year sees roughly 41 in (1043 mm) of precipitation.

  • Best time to visitJune – September — comfort peaks in July (8.8/10)
  • Warmest monthAugust — average high 82°F (28°C)
  • Coolest monthJanuary — average low 44°F (6°C)
  • Wettest monthNovember (5.8 in (148 mm))
  • Driest monthAugust (0.3 in (7 mm))
  • Annual precipitation41 in (1043 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromCoimbra/cernache, 44 km away (1996-2022)