Kōchi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kōchi.
Climate overview of Kōchi
The climate in Kōchi, Shikoku, Japan, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in August to 2°C (36°F) in January.
The city has a wet climate, receiving around 1838 mm (72 in) of rain/snowfall per year. July is the wettest month. The most sunshine falls in August, with an average of 6.9 hours of daily sunshine.
Kōchi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kōchi — and find the best time to visit.
Monthly Temperature in Kōchi
In Kōchi, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a very cold 2°C (36°F) in January.
Nighttime temperatures range from 18°C (64°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kōchi
Kōchi experiences significant rain/snowfall throughout the year, averaging 1838 mm (72 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 223 mm (8.8 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, November, still receives a respectable 104 mm (4.1 in) of rainfall. For more details, please visit our Kōchi Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kōchi
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.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Kōchi by Month
The relative humidity is high throughout the year in Kōchi.
The city experiences its highest humidity in July, reaching 79%. In February, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Kōchi
Be prepared for heavier rainfall during June, July, August, September and October, the wettest period of the year. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Kōchi
What is the best time to visit Kōchi?
June and August typically offer the most optimal weather in Kōchi. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
What temperatures can I expect in Kōchi?
Daytime highs range from 2°C (36°F) in January to 27°C (81°F) in August. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Kōchi get?
Annual rainfall is around 1838 mm (72 in). July is the wettest month with 223 mm (8.8 in), while November is the driest with 104 mm (4.1 in).
How sunny is Kōchi?
Kōchi receives around 2,173 hours of sunshine per year. August is the sunniest month with 207 hours, while June is the cloudiest with just 133 hours. Overall, Kōchi enjoys abundant sunshine.
Kōchi 3-Day Forecast
Kōchi 3-Day Forecast
Kōchi on the map
Kōchi is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Osaka
32°C (90°F) Tokyo30°C (86°F) Naha
30°C (86°F) Kyoto31°C (88°F) Hakone28°C (82°F) Hakuba26°C (79°F) Sapporo24°C (75°F) Niseko24°C (75°F) 
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