ClimateForecastDecemberJanuary >>

Yokohama Climate by Month

The temperature in Yokohama 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 notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Yokohama can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 30°C in August, the warmest time of the year, to a chilly 11°C during cooler months like January. At night, temperatures typically average around 4°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Yokohama is known for its substantial rainfall, with annual precipitation reaching 1638 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, October receives heavy rainfall, averaging 216 mm of precipitation, recorded across 17 rainy days. In contrast, the drier season, December brings less rainfall, with 70 mm over 10 rainy days.

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

Sunshine over the year

While the amount of sunshine in Yokohama varies throughout the year, all seasons offer their own charm. Enjoy up to 6.9 hours of daily sun in August, and experience slightly darker atmosphere in September, with about 4.4 hours of daily sunlight.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Yokohama 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:
  • When is summer in Yokohama?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Yokohama?
    Most rainfall (rainy season) is seen in June, July, September and October.
  • Which is the warmest month in Yokohama?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Yokohama?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Yokohama?
    October tops the wettest month list with 216 mm of rainfall.
  • Which is the driest month in Yokohama?
    December is the driest month with 70 mm of precipitation.
  • Which is the sunniest month in Yokohama?
    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 Yokohama

    Thu   Dec 12
    10°C | 4°C
    N 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Fri   Dec 13
    11°C | 4°C
    SE 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Dec 14
    12°C | 4°C
    N 18 km/h
    broken clouds and no rain

    broken clouds and no rain