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
10/14
Tuesday
Patchy rain nearby
20.2°C/17.5°C
10/15
Wednesday
Patchy rain nearby
21.7°C/17.7°C
10/16
Thursday
Patchy rain nearby
23.6°C/19.6°C
10/17
Friday
Sunny
22.5°C/20°C
10/18
Saturday
Patchy rain nearby
23.1°C/20.1°C
10/19
Sunday
Patchy rain nearby
23.9°C/20°C
10/20
Monday
Moderate rain
17.7°C/15.8°C
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