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Sanmu
City in Chiba, Japan
Overview
Sanmu is a laid-back city in Chiba Prefecture, celebrated for its lush countryside, relaxed beaches, and proximity to coastal attractions. With a rich agricultural heritage and local charm, it offers a peaceful retreat from Tokyo's bustle.
Geographic Context
Jurisdiction
Japan
Prefecture
Chiba
Population
48,196
Time Zone
Asia/Tokyo
Coordinates
35.63°, 140.42°
Key Metrics
Safety Score
86
Female Safety
82
LGBTQ+ Safety
65
Traffic Safety
78
Food Safety
96
Monthly Cost
$1,320
Local Cost
$800
Local Income
$1,800
Cashless
65
English
40
Temperature
17.1°C
Summer Avg
24.0°C
Winter Avg
9.4°C
Record High
33.7°C
Record Low
0.7°C
Humidity
78%
Precipitation
1659 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
Airport
NRT
Distance
17 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.
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.
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 72/100.
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