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Kosai-shi
City in Shizuoka, Japan
Overview
Kosai-shi is a tranquil city located on the western edge of Shizuoka Prefecture, along the shores of Lake Hamana and the Pacific Ocean. Well-known for its natural scenery, local craftsmanship, and peaceful rural charm, Kosai offers a genuine slice of Japanese small-city life.
Geographic Context
Jurisdiction
Japan
Prefecture
Shizuoka
Population
—
Time Zone
Asia/Tokyo
Coordinates
34.73°, 137.52°
Key Metrics
Safety Score
85
Female Safety
82
LGBTQ+ Safety
60
Traffic Safety
80
Food Safety
98
Monthly Cost
$1,087
Local Cost
$735
Local Income
$1,700
Cashless
63
English
38
Temperature
17.8°C
Summer Avg
25.0°C
Winter Avg
10.0°C
Record High
32.5°C
Record Low
0.7°C
Humidity
78%
Precipitation
1969 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
1
Walk Score
1
Footways
2.0
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.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-09.
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 71/100.
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