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Data Source: Safety, crime, and quality metrics are sourced from Numbeo, a crowd-sourced global database of reported data.
All scores are relative comparisons on a 0-100 scale, where 50 = global average. Higher scores mean better than average, lower scores mean worse than average.
Yokosuka offers a unique, maritime-driven lifestyle that balances coastal relaxation with a robust international presence. For many, the city’s primary draw is its seamless integration of military-adjacent infrastructure and local Japanese culture, providing a familiar social anchor in a foreign setting. You’ll find reliable public transport and dependable healthcare, making the daily transition much smoother for families and professionals alike.
However, the reality of living here involves a distinct trade-off: while the proximity to Tokyo is a major convenience, the local pace is significantly slower and more specialized. You are choosing a community defined by its naval identity, which offers deep social roots but may feel more insular than the cosmopolitan energy of larger metropolitan hubs.
Population
409,478
Area
84 km²
Density
4,849 per km²
Founded
-
Language
Japanese
Distance to Coast
1 km
Districts & Neighborhoods in Yokosuka
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Climate & Weather in Yokosuka
Yokosuka has a humid subtropical climate (Köppen Cfa) with hot, humid summers and mild winters. Annual precipitation is relatively high, and rainfall is spread through the year, with the wettest period typically in early summer and typhoon season. The current weather can be much more humid and rainy than the long-term seasonal average, especially during summer monsoon conditions.
Summer Average
28°C
Winter Average
8°C
Climate Type
Humid Subtropical
Rainy Days
136
Sunny Days
228
Humidity
74%
Spring
March - May
12-20°C
Spring is generally mild and increasingly warm, with comfortable conditions before the start of the rainy season. Rainfall becomes more frequent toward late spring.
Moderate rainfall
Summer
June - August
24-29°C
Summer is hot, humid, and often rainy, with the wet season and occasional typhoons affecting conditions. Heavy rainfall events are common, and muggy days are typical.
Very High rainfall
Autumn
September - November
15-23°C
Autumn is warm at first and then gradually cools, often bringing clearer and more comfortable weather. Early autumn can still be affected by lingering typhoon activity.
Moderate rainfall
Winter
December - February
6-11°C
Winter is cool but usually not severe, with occasional cold spells and generally lower humidity than summer. Snow is uncommon, but cloudy and damp days can still occur.
Low rainfall
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Air Quality
Yokosuka
Advantages
Yokosuka
Abundant parks and green spaces
Strategic Tokyo proximity
Rich maritime history
Affordable coastal living
Strong community spirit
Disadvantages
Yokosuka
Limited higher education options
Aging population demographic
Declining job opportunities
Limited nightlife and entertainment
Shrinking young adult population
Safety & Security in Yokosuka
Overall Safety Score
Includes resilience and environmental factors
Good
77
/100
Japan Avg
65
Asia Avg
58
Worldwide Avg
58
Crime & Safety Metrics
Thermometer compares Yokosuka to Japan averages using different marker styles.Compare:
