Yokosuka Weather in January

What's the weather like in Yokosuka (Kanagawa) in January 2025?

The climate in Yokosuka during January can be summarized as cool and reasonably dry.

January is in the winter in Yokosuka and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 1°C (34°F) is normal.

Yokosuka weather averages (imperial / metric)
Daytime temperature 10.1°C 50.1°F
Nightly temperature 1.3°C 34.3°F
Average temperature 5.7°C 42.2°F
Daily sunshine 6 hrs
Avg rainfall 63 mm 2.5 ins
Rainy days 11 days
Sea temperature 16.7°C 62.1°F
Humidity 56%
Windspeed 12.3kph 8 mph

On average January is the 2nd driest month of the year in Yokosuka with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 6 hours of sunshine per day.

January temperatures in Yokosuka

Yokosuka average temperature in January

January rainfall

Yokosuka average rain in January

January hourly sunshine

Yokosuka average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Yokosuka in January 2024.

Other monthly averages

Best places to visit in January

UV index Best time to go?

Yokosuka weather stats

Yokosuka weather statistics
Hottest month: August 30°C 86°F
Driest month: December 59mm 2.3ins
Sunniest month: December 5.9hrs
Coldest month: January 9.9°C 49.8°F
Wettest month: June 211mm 8.3ins
Map showing location of Yokosuka (35.28361, 139.66722) Yokosuka map pin © Google

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