São João do Arraial
City in Piauí, Brazil
Overview
São João do Arraial is a small, welcoming town set amidst the lush landscapes of northern Piauí. It's known for its lively community, rich traditions, and authentic rural Brazilian atmosphere.
Geographic Context
Jurisdiction
Brazil
State
Piauí
Population
8,494
Time Zone
America/Sao_Paulo
Coordinates
-3.80°, -42.47°
Key Metrics
Safety Score · estimate
60
Female Safety
50
LGBTQ+ Safety
40
Traffic Safety
60
Food Safety
45
Monthly Cost · estimate
$488
Local Cost
$280
Local Income
$250
Cashless
25
English
10
Temperature
27.8°C
Summer Avg
27.7°C
Winter Avg
27.3°C
Record High
41.1°C
Record Low
17.9°C
Humidity
71%
Precipitation
1315 mm
Internet Speed
24 Mbps
Upload
32 Mbps
Latency
8 ms
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.