Climate almanac
Barro Duro
Piauí, Brazil · -5.82°, -42.51°
What is the climate like in Barro Duro?
The best time to visit Barro Duro is typically May – October, with trip comfort peaking in July (8.8/10). Barro Duro is warmest in October, when daily highs average 99°F (37°C), and coolest in February, when lows fall to about 74°F (23°C). The wettest month is typically March and the driest is September; the year sees roughly 42 in (1057 mm) of precipitation.
- Best time to visitMay – October — comfort peaks in July (8.8/10)
- Warmest monthOctober — average high 99°F (37°C)
- Coolest monthFebruary — average low 74°F (23°C)
- Wettest monthMarch (11 in (281 mm))
- Driest monthSeptember (0.1 in (2 mm))
- Annual precipitation42 in (1057 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromTeresina (aeroporto, 92 km away (1973-2025)