Climate almanac

São Julião

Piauí, Brazil · -7.08°, -40.83°

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What is the climate like in São Julião?

The best time to visit São Julião is typically May – November, with trip comfort peaking in August (9.5/10). São Julião is warmest in October, when daily highs average 96°F (36°C), and coolest in July, when lows fall to about 68°F (20°C). The wettest month is typically March and the driest is September; the year sees roughly 19 in (490 mm) of precipitation.

  • Best time to visitMay – November — comfort peaks in August (9.5/10)
  • Warmest monthOctober — average high 96°F (36°C)
  • Coolest monthJuly — average low 68°F (20°C)
  • Wettest monthMarch (5.0 in (127 mm))
  • Driest monthSeptember (0.0 in (0 mm))
  • Annual precipitation19 in (490 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)