Climate of Kōchi Prefecture, Japan
Area-weighted average across Kōchi Prefecture. For where people actually live and travel, see the cities below.
Kōchi Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 3.6°C / 38.5°F in January to 25°C / 77°F in August, with rainfall from 59 mm / 2.3 in to 335 mm / 13.2 in depending on the season (2194 mm / 86.4 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 3.6°C38.5°F | 59 mm2.3″ | — |
| February | 4.4°C39.9°F | 93 mm3.7″ | — |
| March | 7.7°C45.9°F | 143 mm5.6″ | — |
| April | 13°C55.4°F | 220 mm8.7″ | — |
| May | 17°C62.6°F | 245 mm9.6″ | — |
| June | 20.4°C68.7°F | 335 mm13.2″ | — |
| July | 24.2°C75.6°F | 314 mm12.4″ | — |
| August | 25°C77°F | 156 mm6.1″ | — |
| September | 21.9°C71.4°F | 291 mm11.5″ | — |
| October | 16.6°C61.9°F | 173 mm6.8″ | — |
| November | 11.3°C52.3°F | 103 mm4.1″ | — |
| December | 6.1°C43°F | 62 mm2.4″ | — |
Frequently asked questions
What is the best time to visit Kōchi Prefecture?
Kōchi Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 25°C / 77°F, and the driest is January at 59 mm / 2.3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Kōchi Prefecture?
Kōchi Prefecture, Japan has area-weighted monthly average temperatures ranging from 3.6°C / 38.5°F in January to 25°C / 77°F in August. Annual rainfall averages about 2194 mm / 86.4 in, with the wettest month being June (335 mm / 13.2 in) and the driest January (59 mm / 2.3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Kōchi Prefecture?
The hottest month in Kōchi Prefecture is August, with an area-wide average temperature of 25°C / 77°F.
What is the coldest month in Kōchi Prefecture?
The coldest month in Kōchi Prefecture is January, with an area-wide average temperature of 3.6°C / 38.5°F.
When does it rain most in Kōchi Prefecture?
The wettest month in Kōchi Prefecture is June, averaging about 335 mm / 13.2 in of rainfall. The driest is January with about 59 mm / 2.3 in.