Climate almanac

Oeiras

Piauí, Brazil · -7.03°, -42.13°

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What is the climate like in Oeiras?

The best time to visit Oeiras is typically May – October, with trip comfort peaking in July (9.1/10). Oeiras is warmest in October, when daily highs average 99°F (37°C), and coolest in July, when lows fall to about 73°F (23°C). The wettest month is typically January and the driest is August; the year sees roughly 26 in (662 mm) of precipitation.

  • Best time to visitMay – October — comfort peaks in July (9.1/10)
  • Warmest monthOctober — average high 99°F (37°C)
  • Coolest monthJuly — average low 73°F (23°C)
  • Wettest monthJanuary (6.0 in (152 mm))
  • Driest monthAugust (0.0 in (0 mm))
  • Annual precipitation26 in (662 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)