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Riacho Frio
City in Piauí, Brazil
Overview
Riacho Frio is a tranquil small town in southern Piauí known for its rural charm and welcoming community. Life here revolves around agriculture, local markets, and close community ties, making it an authentic slice of northeastern Brazil. The area is surrounded by scenic countryside, offering a peaceful experience away from bigger cities.
Geographic Context
Jurisdiction
Brazil
State
Piauí
Population
4,238
Time Zone
America/Sao_Paulo
Coordinates
-9.84°, -44.68°
Key Metrics
Safety Score · estimate
40
Female Safety
35
LGBTQ+ Safety
30
Traffic Safety
45
Food Safety
50
Monthly Cost · estimate
$426
Local Cost
$258
Local Income
$220
Cashless
10
English
5
Temperature
27.4°C
Summer Avg
26.9°C
Winter Avg
26.6°C
Record High
42.0°C
Record Low
15.7°C
Humidity
55%
Precipitation
770 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: 25/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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