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São João da Serra
City in Piauí, Brazil
Overview
São João da Serra is a small and peaceful town situated in the state of Piauí, Brazil. Known for its relaxed pace of life, friendly community, and beautiful natural surroundings, it's an authentic example of rural northeastern Brazil.
Geographic Context
Jurisdiction
Brazil
State
Piauí
Population
6,232
Time Zone
America/Sao_Paulo
Coordinates
-5.44°, -41.86°
Key Metrics
Safety Score · estimate
47
Female Safety
42
LGBTQ+ Safety
32
Traffic Safety
40
Food Safety
52
Monthly Cost · estimate
$440
Local Cost
$263
Local Income
$220
Cashless
25
English
15
Temperature
28.8°C
Summer Avg
28.3°C
Winter Avg
28.8°C
Record High
41.8°C
Record Low
17.5°C
Humidity
59%
Precipitation
951 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-07.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 45/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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