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Saint-Mammès
City in Île-de-France, France
Overview
Saint-Mammès is a picturesque commune on the banks of the Seine and Loing rivers in Île-de-France, known for its scenic marina, peaceful riverside ambiance, and close-knit community feel. With its traditional French village charm, Saint-Mammès is a gateway to the natural and historic attractions of the Seine-et-Marne region.
Geographic Context
Jurisdiction
France
Metropolitan Region
Île-de-France
Population
3,232
Time Zone
Europe/Paris
Coordinates
48.38°, 2.82°
Key Metrics
Safety Score
88
Female Safety
82
LGBTQ+ Safety
78
Traffic Safety
90
Food Safety
98
Monthly Cost
$1,995
Local Cost
$1,180
Local Income
$2,100
Cashless
62
English
47
Temperature
10.9°C
Summer Avg
18.9°C
Winter Avg
3.1°C
Record High
42.0°C
Record Low
-12.3°C
Humidity
82%
Precipitation
702 mm
Internet Speed
95 Mbps
Upload
16 Mbps
Latency
26 ms
City Vibrancy
14
Coworking
0
Cafes
3
Nightlife
1
Parks
10
Transport
94
Walk Score
94
Footways
187.0
Airport
—
Distance
—
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 2 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 73/100.
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