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Tomioka
City in Gunma, Japan
Overview
Tomioka is a charming small city in Gunma Prefecture, renowned for its silk heritage and the UNESCO-listed Tomioka Silk Mill. It combines traditional Japanese ambience with scenic natural surroundings, especially near Mount Myogi.
Geographic Context
Jurisdiction
Japan
Prefecture
Gunma
Population
46,928
Time Zone
Asia/Tokyo
Coordinates
36.25°, 138.90°
Key Metrics
Safety Score
90
Female Safety
85
LGBTQ+ Safety
65
Traffic Safety
88
Food Safety
99
Monthly Cost
$1,215
Local Cost
$805
Local Income
$2,100
Cashless
55
English
35
Temperature
8.0°C
Summer Avg
19.2°C
Winter Avg
-3.6°C
Record High
30.3°C
Record Low
-15.3°C
Humidity
87%
Precipitation
1433 mm
Internet Speed
215 Mbps
Upload
245 Mbps
Latency
10 ms
City Vibrancy
19
Coworking
0
Cafes
8
Nightlife
9
Parks
2
Transport
100
Walk Score
100
Footways
259.0
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 3 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 2025-12-06.
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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