Himeji climate

Name: Himeji
Address: JP

Himeji is warmest in August, with average highs of 29 °C, and coldest in January, when nights average 1.8 °C. July is the wettest month (222 mm) and January the driest (48 mm). Figures are 1991–2020 climate normals.

Across a full year Himeji averages 1,541 mm of rain, 92 days above 25 °C and 17 days below freezing.

Japan · population 530,495 · 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 29 °C
Coldest month January 1.8 °C
Driest month January 48 mm
Wettest month July 222 mm
Least cloud December 49 % cloud
Hottest on record August 37 °C
Coldest on record February -5.6 °C
Warmest sea August 27 °C

What to expectHimeji through the year

Himeji has a clear annual cycle: average daily highs run from 8.2 °C in January to 29 °C in August, a swing of 22 °C in mean temperature across the year.

Counted across a normal year, 92 days a year reach 25 °C, 15 of them reach 30 °C, 17 nights drop below freezing. The warmest reading in the 1991–2020 record is 37 °C, in August.

Rain is strongly seasonal. July averages 222 mm against 48 mm in January — 4.7 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Himeji is warmest in August at 27 °C and coldest in February at 13 °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	8.2 °C	48 mm	53 %
February	9.0 °C	64 mm	57 %
March	12.2 °C	115 mm	59 %
April	16.9 °C	131 mm	59 %
May	21.0 °C	151 mm	65 %
June	24.2 °C	191 mm	78 %
July	27.6 °C	222 mm	74 %
August	29.3 °C	143 mm	61 %
September	26.1 °C	209 mm	62 %
October	21.1 °C	138 mm	52 %
November	15.7 °C	71 mm	49 %
December	10.5 °C	58 mm	49 %

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	8.2 °C	1.8 °C	4.8 °C	16.1 °C	-5.2 °C	0	0	6
February	9.0 °C	2.0 °C	5.3 °C	18.1 °C	-5.6 °C	0	0	6
March	12.2 °C	4.6 °C	8.3 °C	19.5 °C	-4.4 °C	0	0	2
April	16.9 °C	9.3 °C	13.1 °C	23.8 °C	-1.5 °C	0	0	0
May	21.0 °C	14.1 °C	17.5 °C	28.9 °C	3.7 °C	1	0	0
June	24.2 °C	18.6 °C	21.3 °C	30.2 °C	10.3 °C	10	0	0
July	27.6 °C	22.9 °C	25.1 °C	34.1 °C	17.2 °C	28	4	0
August	29.3 °C	24.0 °C	26.4 °C	36.7 °C	17.9 °C	31	10	0
September	26.1 °C	20.5 °C	23.1 °C	34.7 °C	10.6 °C	20	1	0
October	21.1 °C	14.8 °C	17.7 °C	29.4 °C	5.3 °C	2	0	0
November	15.7 °C	9.1 °C	12.2 °C	22.8 °C	0.3 °C	0	0	0
December	10.5 °C	4.1 °C	7.1 °C	20.4 °C	-4.5 °C	0	0	2

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	48 mm	6	10 h/day	53 %	70 %	16 km/h	14.1 °C
February	64 mm	7	11 h/day	57 %	69 %	16 km/h	13.0 °C
March	115 mm	11	12 h/day	59 %	70 %	17 km/h	13.4 °C
April	131 mm	11	13 h/day	59 %	73 %	17 km/h	15.0 °C
May	151 mm	11	14 h/day	65 %	78 %	15 km/h	17.5 °C
June	191 mm	13	14 h/day	78 %	83 %	14 km/h	21.1 °C
July	222 mm	16	14 h/day	74 %	86 %	15 km/h	24.7 °C
August	143 mm	13	13 h/day	61 %	82 %	14 km/h	27.0 °C
September	209 mm	13	12 h/day	62 %	78 %	15 km/h	26.2 °C
October	138 mm	9	11 h/day	52 %	74 %	15 km/h	23.4 °C
November	71 mm	6	10 h/day	49 %	73 %	14 km/h	19.7 °C
December	58 mm	6	9.8 h/day	49 %	71 %	15 km/h	16.4 °C

How Himeji 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
Himeji	29 °C	1.8 °C	1,541 mm	92
Akashi · Japan	30 °C	2.2 °C	1,438 mm	98
Kobe · Japan	30 °C	2.1 °C	1,569 mm	110
Nishinomiya · Japan	31 °C	1.5 °C	1,561 mm	119

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

QuestionsCommon questions about Himeji’s climate

When is the best time to visit Himeji?

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 Himeji get?

In August, the warmest month, daily highs average 29 °C. About 15 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.

How cold does it get in winter?

Nights average 1.8 °C in January, the coldest month. A normal year has 17 nights below freezing.

Which month is wettest in Himeji?

July, averaging 222 mm over 16 days with rain. The driest month is January with 48 mm. The year as a whole averages 1,541 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 Himeji 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: 34.817°, 134.700° (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.