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Yokosuka Climate by Month

The temperature in Yokosuka can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also has a relatively rainy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Yokosuka can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 29°C in August to a chilly 11°C in February. Nighttime temperatures can drop, with averages reaching 5°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Yokosuka is known for its substantial rainfall, with annual precipitation reaching 1735 mm. The seasons in Yokosuka, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 227 mm of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 77 mm over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Yokosuka enjoys sunny spells year-round. August sees up to 6.9 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 4.4 hours of sun despite this cloudier time of the year.

Monthly hours of sunshine

Data from: Yokohama, Japan (17 KM, 11 Miles).

Daily hours of sunshine

Data from: Yokohama, Japan (17 KM, 11 Miles).

The best time of year to visit Yokosuka in Japan

During the months of May, June and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Yokosuka?
    Most rainfall (rainy season) is seen in June, July, September and October.
  • Which is the warmest month in Yokosuka?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Yokosuka?
    The coldest month is February with an average maximum temperature of 11°C.
  • Which is the wettest month in Yokosuka?
    October tops the wettest month list with 227 mm of rainfall.
  • Which is the driest month in Yokosuka?
    December is the driest month with 77 mm of precipitation.
  • Which is the sunniest month in Yokosuka?
    August is the sunniest month with an average of 208 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Yokosuka

    Fri   Dec 13
    10°C | 4°C
    N 14 km/h
    0.6 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain

    Sat   Dec 14
    12°C | 5°C
    N 25 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Dec 15
    12°C | 4°C
    S 18 km/h
    clear and no rain

    clear and no rain