Higashihiroshima climate

Name: Higashihiroshima
Address: JP

Higashihiroshima is warmest in August, with average highs of 29 °C, and coldest in January, when nights average 0.3 °C. July is the wettest month (222 mm) and January the driest (46 mm). Figures are 1991–2020 climate normals.

Across a full year Higashihiroshima averages 1,413 mm of rain, 94 days above 25 °C and 41 days below freezing.

Japan · population 196,608 · 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 0.3 °C
Driest month January 46 mm
Wettest month July 222 mm
Least cloud November 50 % cloud
Hottest on record July 35 °C
Coldest on record January -8.1 °C

What to expectHigashihiroshima through the year

Higashihiroshima has a clear annual cycle: average daily highs run from 7.2 °C in January to 29 °C in August, a swing of 22 °C in mean temperature across the year.

Counted across a normal year, 94 days a year reach 25 °C, 21 of them reach 30 °C, 41 nights drop below freezing. The warmest reading in the 1991–2020 record is 35 °C, in July.

Rain is strongly seasonal. July averages 222 mm against 46 mm in January — 4.8 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	7.2 °C	46 mm	58 %
February	8.4 °C	60 mm	59 %
March	12.0 °C	101 mm	59 %
April	17.1 °C	119 mm	59 %
May	21.6 °C	133 mm	64 %
June	24.7 °C	209 mm	77 %
July	28.0 °C	222 mm	71 %
August	29.5 °C	135 mm	60 %
September	26.0 °C	168 mm	61 %
October	20.6 °C	104 mm	51 %
November	15.0 °C	63 mm	50 %
December	9.4 °C	53 mm	53 %

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	7.2 °C	0.3 °C	3.5 °C	16.0 °C	-8.1 °C	0	0	16
February	8.4 °C	0.9 °C	4.3 °C	18.3 °C	-6.8 °C	0	0	13
March	12.0 °C	3.6 °C	7.6 °C	20.5 °C	-4.0 °C	0	0	5
April	17.1 °C	8.4 °C	12.6 °C	25.5 °C	-2.1 °C	0	0	0
May	21.6 °C	13.2 °C	17.3 °C	29.9 °C	3.8 °C	3	0	0
June	24.7 °C	17.8 °C	21.1 °C	30.9 °C	10.3 °C	13	0	0
July	28.0 °C	22.0 °C	24.8 °C	35.2 °C	14.8 °C	27	6	0
August	29.5 °C	22.9 °C	25.9 °C	34.8 °C	16.2 °C	30	13	0
September	26.0 °C	19.1 °C	22.3 °C	34.1 °C	10.4 °C	19	2	0
October	20.6 °C	13.1 °C	16.5 °C	27.4 °C	2.6 °C	1	0	0
November	15.0 °C	7.5 °C	10.9 °C	22.6 °C	-1.2 °C	0	0	0
December	9.4 °C	2.5 °C	5.7 °C	19.4 °C	-5.4 °C	0	0	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	46 mm	6	10 h/day	58 %	70 %	16 km/h
February	60 mm	8	11 h/day	59 %	69 %	16 km/h
March	101 mm	11	12 h/day	59 %	69 %	16 km/h
April	119 mm	10	13 h/day	59 %	70 %	15 km/h
May	133 mm	10	14 h/day	64 %	73 %	13 km/h
June	209 mm	14	14 h/day	77 %	79 %	13 km/h
July	222 mm	15	14 h/day	71 %	83 %	13 km/h
August	135 mm	12	13 h/day	60 %	79 %	13 km/h
September	168 mm	12	12 h/day	61 %	77 %	13 km/h
October	104 mm	8	11 h/day	51 %	74 %	13 km/h
November	63 mm	7	10 h/day	50 %	73 %	14 km/h
December	53 mm	6	9.9 h/day	53 %	72 %	15 km/h

How Higashihiroshima 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
Higashihiroshima	29 °C	0.3 °C	1,413 mm	94
Kure · Japan	29 °C	3.4 °C	1,527 mm	82
Hiroshima · Japan	30 °C	1.6 °C	1,563 mm	110
Imabari · Japan	30 °C	4.2 °C	1,653 mm	100
Fukuyama · Japan	31 °C	2.1 °C	1,257 mm	114
Matsuyama · Japan	31 °C	3.4 °C	1,697 mm	115
Shinagawa · Japan	30 °C	0.4 °C	1,992 mm	108

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

QuestionsCommon questions about Higashihiroshima’s climate

When is the best time to visit Higashihiroshima?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September 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 Higashihiroshima get?

In August, the warmest month, daily highs average 29 °C. About 21 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 0.3 °C in January, the coldest month. A normal year has 41 nights below freezing.

Which month is wettest in Higashihiroshima?

July, averaging 222 mm over 15 days with rain. The driest month is January with 46 mm. The year as a whole averages 1,413 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 Higashihiroshima 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
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.