Minato climate

Name: Minato
Address: JP

Minato is warmest in August, with average highs of 30 °C, and coldest in January, when nights average 3.4 °C. June is the wettest month (231 mm) and January the driest (83 mm). Figures are 1991–2020 climate normals.

Across a full year Minato averages 1,657 mm of rain, 96 days above 25 °C and 3 days below freezing.

Japan · population 375,339 · 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 3.4 °C
Driest month January 83 mm
Wettest month June 231 mm
Least cloud November 50 % cloud
Hottest on record August 36 °C
Coldest on record February -5.2 °C
Warmest sea August 27 °C

What to expectMinato through the year

Minato has a clear annual cycle: average daily highs run from 8.7 °C in January to 30 °C in August, a swing of 21 °C in mean temperature across the year.

Counted across a normal year, 96 days a year reach 25 °C, 17 of them reach 30 °C, 3 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in August.

Rain is strongly seasonal. June averages 231 mm against 83 mm in January — 2.8 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Minato is warmest in August at 27 °C and coldest in February at 14 °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	8.7 °C	83 mm	55 %
February	9.5 °C	88 mm	57 %
March	12.7 °C	125 mm	57 %
April	17.4 °C	125 mm	57 %
May	21.5 °C	149 mm	64 %
June	24.5 °C	231 mm	78 %
July	27.9 °C	193 mm	69 %
August	29.5 °C	116 mm	57 %
September	26.5 °C	181 mm	59 %
October	21.4 °C	185 mm	52 %
November	16.2 °C	98 mm	50 %
December	11.0 °C	86 mm	51 %

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	8.7 °C	3.4 °C	6.0 °C	17.8 °C	-3.5 °C	0	0	1
February	9.5 °C	3.5 °C	6.4 °C	19.1 °C	-5.2 °C	0	0	2
March	12.7 °C	6.1 °C	9.4 °C	20.4 °C	-0.4 °C	0	0	0
April	17.4 °C	10.6 °C	14.0 °C	24.4 °C	1.5 °C	0	0	0
May	21.5 °C	15.0 °C	18.2 °C	27.9 °C	6.6 °C	1	0	0
June	24.5 °C	19.2 °C	21.8 °C	30.0 °C	12.5 °C	12	0	0
July	27.9 °C	23.3 °C	25.5 °C	33.4 °C	17.2 °C	28	4	0
August	29.5 °C	24.3 °C	26.8 °C	35.5 °C	18.8 °C	31	12	0
September	26.5 °C	21.1 °C	23.7 °C	32.4 °C	12.5 °C	22	1	0
October	21.4 °C	15.7 °C	18.4 °C	28.4 °C	7.5 °C	2	0	0
November	16.2 °C	10.3 °C	13.2 °C	25.0 °C	2.9 °C	0	0	0
December	11.0 °C	5.5 °C	8.3 °C	22.5 °C	-1.8 °C	0	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	83 mm	11	10 h/day	55 %	69 %	22 km/h	15.6 °C
February	88 mm	11	11 h/day	57 %	69 %	22 km/h	14.4 °C
March	125 mm	12	12 h/day	57 %	70 %	22 km/h	14.6 °C
April	125 mm	11	13 h/day	57 %	73 %	20 km/h	16.2 °C
May	149 mm	10	14 h/day	64 %	77 %	18 km/h	18.5 °C
June	231 mm	14	14 h/day	78 %	84 %	17 km/h	21.6 °C
July	193 mm	13	14 h/day	69 %	86 %	17 km/h	24.8 °C
August	116 mm	11	13 h/day	57 %	82 %	16 km/h	26.8 °C
September	181 mm	13	12 h/day	59 %	79 %	17 km/h	26.0 °C
October	185 mm	10	11 h/day	52 %	75 %	18 km/h	23.6 °C
November	98 mm	9	10 h/day	50 %	73 %	19 km/h	20.7 °C
December	86 mm	10	9.9 h/day	51 %	70 %	21 km/h	17.9 °C

How Minato 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
Minato	30 °C	3.4 °C	1,657 mm	96
Kishiwada · Japan	31 °C	0.8 °C	1,481 mm	110
Izumi · Japan	31 °C	0.6 °C	1,456 mm	107
Sakai · Japan	31 °C	1.3 °C	1,449 mm	113
Akashi · Japan	30 °C	2.2 °C	1,438 mm	98
Kobe · Japan	30 °C	2.1 °C	1,569 mm	110
Tokushima · Japan	29 °C	4.8 °C	2,011 mm	92

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

QuestionsCommon questions about Minato’s climate

When is the best time to visit Minato?

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 Minato get?

In August, the warmest month, daily highs average 30 °C. About 17 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 3.4 °C in January, the coldest month. A normal year has 3 nights below freezing.

Which month is wettest in Minato?

June, averaging 231 mm over 14 days with rain. The driest month is January with 83 mm. The year as a whole averages 1,657 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 Minato 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: 34.215°, 135.150° (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.