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San Ildefonso
City in Ilocos Sur, Philippines
Overview
San Ildefonso is a small, picturesque municipality in Ilocos Sur, Philippines, best known for its rural charm, welcoming locals, and proximity to natural attractions. Visitors enjoy peaceful countryside scenery, historic churches, and a taste of everyday Ilocano life.
Geographic Context
Jurisdiction
Philippines
Province
Ilocos Sur
Population
8,213
Time Zone
Asia/Manila
Coordinates
17.62°, 120.37°
Key Metrics
Safety Score
68
Female Safety
60
LGBTQ+ Safety
35
Traffic Safety
53
Food Safety
62
Monthly Cost
$390
Local Cost
$205
Local Income
$220
Cashless
25
English
65
Temperature
25.7°C
Summer Avg
25.9°C
Winter Avg
24.2°C
Record High
38.7°C
Record Low
15.3°C
Humidity
77%
Precipitation
2728 mm
Internet Speed
60 Mbps
Upload
15 Mbps
Latency
34 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 8 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-07.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 63/100.
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