Ōgaki climate

Name: Ōgaki
Address: JP

Ōgaki is warmest in August, with average highs of 30 °C, and coldest in January, when nights average -0.5 °C. July is the wettest month (281 mm) and January the driest (70 mm). Figures are 1991–2020 climate normals.

Across a full year Ōgaki averages 1,913 mm of rain, 107 days above 25 °C and 53 days below freezing.

Japan · population 161,539 · 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 -0.5 °C
Driest month January 70 mm
Wettest month July 281 mm
Least cloud December 51 % cloud
Hottest on record August 37 °C
Coldest on record February -7.6 °C

What to expectŌgaki through the year

Ōgaki has a clear annual cycle: average daily highs run from 7.5 °C in January to 30 °C in August, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 107 days a year reach 25 °C, 34 of them reach 30 °C, 53 nights drop below freezing. The warmest reading in the 1991–2020 record is 37 °C, in August.

Rain is strongly seasonal. July averages 281 mm against 70 mm in January — 4.0 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	7.5 °C	70 mm	52 %
February	8.6 °C	78 mm	55 %
March	12.5 °C	126 mm	57 %
April	17.7 °C	151 mm	59 %
May	22.2 °C	180 mm	66 %
June	25.6 °C	239 mm	79 %
July	29.0 °C	281 mm	75 %
August	30.3 °C	188 mm	65 %
September	26.6 °C	250 mm	64 %
October	21.3 °C	185 mm	56 %
November	15.6 °C	93 mm	51 %
December	10.1 °C	71 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	7.5 °C	-0.5 °C	3.0 °C	16.5 °C	-6.6 °C	0	0	20
February	8.6 °C	-0.2 °C	3.7 °C	18.7 °C	-7.6 °C	0	0	17
March	12.5 °C	2.8 °C	7.2 °C	22.8 °C	-4.4 °C	0	0	8
April	17.7 °C	7.8 °C	12.5 °C	27.7 °C	-1.5 °C	0	0	0
May	22.2 °C	12.9 °C	17.3 °C	31.1 °C	2.8 °C	6	0	0
June	25.6 °C	17.8 °C	21.4 °C	33.0 °C	10.4 °C	18	1	0
July	29.0 °C	22.1 °C	25.2 °C	36.1 °C	16.5 °C	28	12	0
August	30.3 °C	23.0 °C	26.2 °C	37.3 °C	16.5 °C	30	18	0
September	26.6 °C	19.4 °C	22.6 °C	34.8 °C	9.8 °C	22	3	0
October	21.3 °C	13.2 °C	16.8 °C	28.7 °C	4.0 °C	3	0	0
November	15.6 °C	7.2 °C	10.9 °C	24.6 °C	0.6 °C	0	0	0
December	10.1 °C	2.0 °C	5.5 °C	20.3 °C	-5.9 °C	0	0	8

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	70 mm	8	10 h/day	52 %	76 %	17 km/h
February	78 mm	9	11 h/day	55 %	74 %	17 km/h
March	126 mm	12	12 h/day	57 %	73 %	18 km/h
April	151 mm	12	13 h/day	59 %	74 %	17 km/h
May	180 mm	12	14 h/day	66 %	78 %	15 km/h
June	239 mm	16	15 h/day	79 %	83 %	13 km/h
July	281 mm	18	14 h/day	75 %	86 %	12 km/h
August	188 mm	16	14 h/day	65 %	83 %	12 km/h
September	250 mm	14	12 h/day	64 %	83 %	13 km/h
October	185 mm	11	11 h/day	56 %	81 %	13 km/h
November	93 mm	8	10 h/day	51 %	79 %	14 km/h
December	71 mm	9	9.8 h/day	51 %	78 %	16 km/h

How Ōgaki 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
Ōgaki	30 °C	-0.5 °C	1,913 mm	107
Gifu · Japan	30 °C	-1.1 °C	2,248 mm	104
Ichinomiya · Japan	30 °C	-0.9 °C	1,884 mm	109
Nagoya · Japan	31 °C	-0.6 °C	1,519 mm	113
Yokkaichi · Japan	30 °C	0.7 °C	1,707 mm	106

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

QuestionsCommon questions about Ōgaki’s climate

When is the best time to visit Ōgaki?

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 Ōgaki get?

In August, the warmest month, daily highs average 30 °C. About 34 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 -0.5 °C in January, the coldest month. A normal year has 53 nights below freezing.

Which month is wettest in Ōgaki?

July, averaging 281 mm over 18 days with rain. The driest month is January with 70 mm. The year as a whole averages 1,913 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 Ōgaki 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: 35.350°, 136.617° (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.