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Yokosuka

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Yokosuka Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Yokosuka year round climate

  • Spring (March–May): Average 11.2–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: flower viewing, coastal walks. Recommended clothing: light jacket, long-sleeved shirt, rain gear essential.
  • Summer (June–August): Average 22.6–28.1°C, hot and humid, with the most rainfall in June, relatively less in July and August. Common activities: swimming at the beach, visiting museums. Recommended clothing: light and breathable clothing, sun hat, sunglasses.
  • Autumn (September–November): Average 14.8–25.8°C, comfortable and pleasant climate, with more rainfall in September. Common activities: hiking, outdoor picnics. Recommended clothing: comfortable long or short-sleeved clothing, large temperature difference between morning and evening, a jacket is needed.
  • Winter (December–February): Average 6.0–9.4°C, cold and dry, with less rainfall. Common activities: visiting indoor attractions, trying local cuisine. Recommended clothing: warm jacket, sweater, scarf, etc. for cold protection.

Yokosuka climatological average

Annual average temperature: approx. 17°C / Annual rainfall: approx. 1736 mm / Summer humidity: 70%–80% / Rainiest month: June

Yokosuka monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6°C
30.1
February
6.7°C
87
March
11.2°C
164
April
16°C
187
May
18.9°C
203.3
June
22.6°C
264.7
July
27.2°C
137.8
August
28.1°C
150.2
September
25.8°C
235.2
October
19.4°C
141.9
November
14.8°C
105.4
December
9.4°C
30

Yokosuka weather for the next seven days

6/20
Saturday
Heavy rain
22.4°C/20.6°C
6/21
Sunday
Moderate rain
24.2°C/21.3°C
6/22
Monday
Partly Cloudy
23.7°C/21°C
6/23
Tuesday
Patchy rain nearby
24.2°C/18°C
6/24
Wednesday
Patchy rain nearby
20.2°C/17.1°C
6/25
Thursday
Partly Cloudy
22.9°C/20°C
6/26
Friday
Sunny
23.1°C/21.1°C

Yokosuka Frequently Asked Questions and Useful Information for Travel

What is Yokosuka, Japan known for?

Beyond its military connections, Yokosuka is famous for its fresh seafood, beautiful island excursions, and its legendary Navy Curry. Whether you're here for history, nature, or just a relaxing day by the ocean, Yokosuka offers a blend of culture and adventure amongst stunning waterfront views.

How do Japanese people pronounce Yokosuka?

Together yokosuka yep it's pronounced Yokosuka.

Is Yokosuka a naval base?

Since the Korean and Vietnam conflicts Commander, Fleet Activities Yokosuka continues to be America's most important naval facility in the Western Pacific. For more information on the history of Commander, Fleet Activities Yokosuka please visit CFAY's Command History.

Why is Yokosuka worth visiting?

Yokosuka has been a major Japanese naval port since the 1860s and remains home to the U.S. Navy's 7th Fleet. It is the birthplace of Japan's modern naval power, offering a rare mix of military history, Showa-era nostalgia, and American-influenced street culture.

What culinary specialties can I find in Yokosuka?

Yokosuka is particularly renowned for its unique and delicious Navy Curry, a dish with a long history linked to its naval heritage. You can also savor incredibly fresh seafood thanks to its coastal location.