Kochi weather: 7-day forecast 高知
Facing the Pacific, Kochi is both one of Japan's wettest cities (about 2,670 mm of rain a year, nearly 400 mm in September) and one of its sunniest; winters are mild.
Forecast updated 23 October 2026
The next 7 days
Today
24 Oct
Rain
High 27°CLow 19°C
Sun
25 Oct
Cloudy
High 26°CLow 23°C
Rain 90%
Mon
26 Oct
Cloudy
High 25°CLow 20°C
Rain 70%
Tue
27 Oct
Cloudy
High 26°CLow 17°C
Rain 50%
Wed
28 Oct
Sunny
High 23°CLow 13°C
Rain 20%
Thu
29 Oct
Sunny
High 22°CLow 11°C
Rain 20%
Fri
30 Oct
Cloudy
High 22°CLow 14°C
Rain 40%
What to wear today
Warm: T-shirts and breathable clothes, plus a light layer for air-conditioned trains and shops.
Rain is likely on at least one day this week: pack a compact umbrella or buy one at any convenience store.
Kochi weather by month
Typical daily highs and lows and monthly rainfall (30-year averages, 1991–2020). Tap a month to see what's on.
Kochi's climate at a glance
Kochi gets rain in big bursts. Warm, wet air from the Pacific hits the Shikoku mountains, giving about 2,670 mm a year, with June, July and September each averaging over 350 mm. Typhoons often make landfall on this coast from August to October.
Between those bursts, Kochi is very sunny, and winters are mild and dry, with January highs around 12°C. Cherry blossoms open around 22 March, among the earliest on the main islands.
Best time to visit Kochi
Late March to May and late October to November are the safest bets, with clear skies for Kochi Castle, the Sunday Market and the Shimanto River. The Yosakoi Festival (9–12 August) is the city's big event, held in the heat of summer.
Tips
- Watch typhoon forecasts closely from August to October. Flights and trains to Kochi can be cancelled for a day or two.
- When it rains in Kochi, it pours. A sturdy umbrella beats a convenience-store one.
- The Sunday Market runs every Sunday morning all year. Go early in summer, before the heat.
Questions travellers ask
Does it rain a lot in Kochi?
Yes. Kochi averages about 2,670 mm a year, and September is the wettest month with nearly 400 mm.
When is typhoon season in Kochi?
Mainly August to October. Kochi's Pacific coast is one of the places typhoons most often reach.
When is the Yosakoi Festival?
It is held from 9 to 12 August every year, with the main dance days on the 10th and 11th.
Sources
We checked the facts on this page against these sources.
- Japan Meteorological Agency気象庁JMA climate normals 1991–2020 (Japanese)(in Japanese) (opens in a new tab)
- Japan Meteorological Agency気象庁JMA rainy season start and end dates(in Japanese) (opens in a new tab)
- Japan Meteorological Agency気象庁JMA cherry blossom and autumn leaf normals(in Japanese) (opens in a new tab)
- Yosakoi Festival official site, Kochiよさこい祭りYosakoi Festival, official site(in Japanese) (opens in a new tab)