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San Juan
City in Alajuela, Costa Rica
Overview
San Juan in Alajuela province is a small, welcoming town surrounded by the lush green landscapes typical of Costa Rica's Central Valley. Its close-knit community and relaxed pace make it ideal for visitors looking to experience genuine Costa Rican life without the crowds.
Geographic Context
Jurisdiction
Costa Rica
Province
Alajuela
Population
7,729
Time Zone
America/Costa_Rica
Coordinates
10.10°, -84.32°
Key Metrics
Safety Score · estimate
70
Female Safety
68
LGBTQ+ Safety
60
Traffic Safety
62
Food Safety
75
Monthly Cost · estimate
$1,060
Local Cost
$615
Local Income
$540
Cashless
48
English
40
Temperature
23.5°C
Summer Avg
23.4°C
Winter Avg
22.9°C
Record High
34.6°C
Record Low
15.8°C
Humidity
82%
Precipitation
1793 mm
Internet Speed
94 Mbps
Upload
29 Mbps
Latency
12 ms
City Vibrancy
3
Coworking
0
Cafes
0
Nightlife
1
Parks
2
Transport
0
Walk Score
0
Footways
—
Airport
SJO
Distance
17 km
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.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
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: 65/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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