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Guyancourt

City in Île-de-France, France

Overview

Guyancourt is a peaceful suburban city on the edge of Versailles in Île-de-France, offering a blend of green spaces, local charm, and convenient access to Paris. With a strong community feel and family-friendly amenities, it's ideal for those seeking quiet living within reach of metropolitan attractions.

Geographic Context

Jurisdiction
France
Metropolitan Region
Île-de-France
Population
29,758
Time Zone
Europe/Paris
Coordinates
48.77°, 2.07°

Key Metrics

Safety Score
82
Female Safety
80
LGBTQ+ Safety
85
Traffic Safety
77
Food Safety
98
Monthly Cost
$2,162
Local Cost
$1,520
Local Income
$2,300
Cashless
80
English
45
Temperature
10.7°C
Summer Avg
18.1°C
Winter Avg
3.5°C
Record High
38.1°C
Record Low
-12.1°C
Humidity
82%
Precipitation
672 mm
Internet Speed
534 Mbps
Upload
406 Mbps
Latency
6 ms
City Vibrancy
18
Coworking
0
Cafes
0
Nightlife
1
Parks
17
Transport
0
Walk Score
0
Footways
—
Airport
TNF
Distance
3 km

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Cost of Living
Prices & expenses
Weather & Climate
Temperature & conditions
Alternatives
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Neighborhoods
2 areas mapped
City Guide
Tips & insights

Neighborhoods

Partial

Coverage is incomplete — additional neighborhoods are being added as more source data is processed.

Coverage is incomplete — more neighborhoods are being added.

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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 12 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Overture Maps and OpenStreetMap - 2 source-backed neighborhood entities are available for this city. Updated 2026-04-05.

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 83/100.

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