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Kōchi Climate by Month

The climate in Kōchi is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

In Kōchi, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C in August to a very cold 2°C in January. Nighttime temperatures can drop, with averages reaching -6°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Kōchi experiences significant rain/snowfall throughout the year, averaging 1838 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 223 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, November, still receives a respectable 104 mm of rainfall.

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

Sunshine over the year

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

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Kōchi in Japan

During the months of June, July and September 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 Kōchi?
    Most rainfall (rainy season) is seen in June, July, August, September and October.
  • Which is the warmest month in Kōchi?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Kōchi?
    The coldest month is January with an average maximum temperature of 2°C.
  • Which is the wettest month in Kōchi?
    July tops the wettest month list with 223 mm of rainfall.
  • Which is the driest month in Kōchi?
    November is the driest month with 104 mm of precipitation.
  • Which is the sunniest month in Kōchi?
    August is the sunniest month with an average of 207 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 Kōchi

    Sat   Nov 23
    3°C | 0°C
    NW 11 km/h
    15 mm
    overcast and heavy sleet

    overcast and heavy sleet

    Sun   Nov 24
    4°C | 0°C
    N 14 km/h
    3.5 mm
    overcast and  chance of sleet

    overcast and chance of sleet

    Mon   Nov 25
    7°C | -2°C
    N 11 km/h
    almost clear and no rain

    almost clear and no rain