Kochi climate

Name: Kochi
Address: JP

Kochi is warmest in August, with average highs of 30 °C, and coldest in January, when nights average 2.2 °C. July is the wettest month (382 mm) and January the driest (74 mm). Figures are 1991–2020 climate normals.

Across a full year Kochi averages 2,597 mm of rain, 111 days above 25 °C and 13 days below freezing.

Japan · population 332,059 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 30 °C
Coldest month January 2.2 °C
Driest month January 74 mm
Wettest month July 382 mm
Least cloud December 45 % cloud
Hottest on record July 36 °C
Coldest on record February -6.7 °C
Warmest sea August 28 °C

What to expectKochi through the year

Kochi has a clear annual cycle: average daily highs run from 9.5 °C in January to 30 °C in August, a swing of 21 °C in mean temperature across the year.

Counted across a normal year, 111 days a year reach 25 °C, 25 of them reach 30 °C, 13 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in July.

Rain is strongly seasonal. July averages 382 mm against 74 mm in January — 5.2 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Kochi is warmest in August at 28 °C and coldest in February at 17 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.5 °C	74 mm	49 %
February	10.7 °C	100 mm	52 %
March	14.2 °C	163 mm	56 %
April	18.8 °C	206 mm	59 %
May	22.8 °C	240 mm	67 %
June	25.5 °C	368 mm	81 %
July	28.9 °C	382 mm	75 %
August	29.5 °C	307 mm	64 %
September	26.9 °C	331 mm	63 %
October	22.3 °C	222 mm	52 %
November	17.0 °C	115 mm	47 %
December	11.7 °C	88 mm	45 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	9.5 °C	2.2 °C	5.4 °C	19.3 °C	-4.9 °C	0	0	5
February	10.7 °C	2.5 °C	6.2 °C	21.1 °C	-6.7 °C	0	0	5
March	14.2 °C	5.2 °C	9.4 °C	22.8 °C	-2.1 °C	0	0	1
April	18.8 °C	9.6 °C	14.0 °C	26.9 °C	-0.6 °C	0	0	0
May	22.8 °C	14.3 °C	18.4 °C	30.0 °C	6.0 °C	5	0	0
June	25.5 °C	18.8 °C	21.9 °C	33.0 °C	12.0 °C	17	1	0
July	28.9 °C	22.9 °C	25.6 °C	35.5 °C	17.0 °C	29	10	0
August	29.5 °C	23.5 °C	26.1 °C	35.5 °C	18.1 °C	31	12	0
September	26.9 °C	20.5 °C	23.3 °C	33.3 °C	11.1 °C	24	2	0
October	22.3 °C	14.9 °C	18.2 °C	29.2 °C	5.2 °C	5	0	0
November	17.0 °C	9.3 °C	12.7 °C	25.5 °C	1.8 °C	0	0	0
December	11.7 °C	4.3 °C	7.5 °C	21.3 °C	-2.8 °C	0	0	2

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	74 mm	7	10 h/day	49 %	74 %	16 km/h	18.1 °C
February	100 mm	8	11 h/day	52 %	74 %	16 km/h	17.1 °C
March	163 mm	12	12 h/day	56 %	75 %	16 km/h	17.4 °C
April	206 mm	12	13 h/day	59 %	77 %	16 km/h	18.5 °C
May	240 mm	13	14 h/day	67 %	81 %	14 km/h	20.8 °C
June	368 mm	20	14 h/day	81 %	87 %	13 km/h	23.4 °C
July	382 mm	22	14 h/day	75 %	89 %	13 km/h	26.1 °C
August	307 mm	20	13 h/day	64 %	88 %	13 km/h	27.7 °C
September	331 mm	17	12 h/day	63 %	85 %	13 km/h	27.0 °C
October	222 mm	11	11 h/day	52 %	82 %	13 km/h	25.1 °C
November	115 mm	8	10 h/day	47 %	80 %	13 km/h	22.7 °C
December	88 mm	7	9.9 h/day	45 %	77 %	15 km/h	20.0 °C

How Kochi compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Kochi	30 °C	2.2 °C	2,597 mm	111
Shinagawa · Japan	30 °C	0.4 °C	1,992 mm	108
Imabari · Japan	30 °C	4.2 °C	1,653 mm	100
Matsuyama · Japan	31 °C	3.4 °C	1,697 mm	115
Takamatsu · Japan	30 °C	3.6 °C	1,444 mm	95
Fukuyama · Japan	31 °C	2.1 °C	1,257 mm	114

Planning a trip? See the best time to visit Kochi.

QuestionsCommon questions about Kochi’s climate

When is the best time to visit Kochi?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, October sit closest to 20 °C on average, August is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Kochi get?

In August, the warmest month, daily highs average 30 °C. About 25 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 2.2 °C in January, the coldest month. A normal year has 13 nights below freezing.

Which month is wettest in Kochi?

July, averaging 382 mm over 22 days with rain. The driest month is January with 74 mm. The year as a whole averages 2,597 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Kochi rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 33.550°, 133.533° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.