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Castelsardo
City in Sardinia, Italy
Overview
Castelsardo is a charming medieval town perched atop a promontory on the north coast of Sardinia. With its winding streets, historic castle, and panoramic views of the Gulf of Asinara, it's a perfect blend of culture, tradition, and seaside beauty.
Geographic Context
Jurisdiction
Italy
Autonomous Region
Sardinia
Population
5,656
Time Zone
Europe/Rome
Coordinates
40.91°, 8.71°
Key Metrics
Safety Score
87
Female Safety
80
LGBTQ+ Safety
60
Traffic Safety
85
Food Safety
95
Monthly Cost
$1,795
Local Cost
$1,060
Local Income
$1,200
Cashless
60
English
40
Temperature
17.1°C
Summer Avg
23.7°C
Winter Avg
11.1°C
Record High
36.5°C
Record Low
2.3°C
Humidity
75%
Precipitation
571 mm
Internet Speed
109 Mbps
Upload
23 Mbps
Latency
28 ms
City Vibrancy
19
Coworking
0
Cafes
14
Nightlife
1
Parks
4
Transport
96
Walk Score
96
Footways
192.0
Airport
AHO
Distance
47 km
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.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 14 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
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 74/100.
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