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Shikoku weather in August

Thinking about venturing to Shikoku this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Shikoku in August?

Shikoku is a region in Japan. August in Shikoku generally has warm temperatures, with heavy precipitation. The month of August is in the summer season.

You can expect warm maximum daytime temperatures of around 27°C and nighttime temperatures around 18°C in Kōchi. In Shikoku, August typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

August is a very rainy month with an average rainfall of around 165 mm in Kōchi. Meanwhile, Kōchi enjoys approximately 207 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

For specific regional insights in Shikoku for August, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Shikoku climate page.

Where to go in Shikoku in August

Find more information for the most popular destinations in the Shikoku on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in August for the most popular destinonation in Shikoku?


In August Kōchi generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 18°C and heavy monthly rainfall. So on average the conditions are pleasant that month.

minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
175 hours 
223 mm 
23 days 
207 hours 
165 mm 
21 days 
163 hours 
196 mm 
21 days 
Climate in Kōchi

Is your destination not in the list? Have a look at other destinations in Shikoku, in Japan.

Is August the best time to visit Shikoku?

We believe that August is one of the best times to visit Shikoku with overall pleasant weather in Kōchi. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June and August offering mostly pleasant weather in Kōchi. On the other hand, the months of January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Shikoku. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.