Akita climate

Name: Akita
Address: JP

Akita is warmest in August, with average highs of 27 °C, and coldest in January, when nights average -2.3 °C. July is the wettest month (253 mm) and February the driest (100 mm). Figures are 1991–2020 climate normals.

Across a full year Akita averages 1,869 mm of rain, 47 days above 25 °C and 77 days below freezing.

Japan · population 307,672 · 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 27 °C
Coldest month January -2.3 °C
Driest month February 100 mm
Wettest month July 253 mm
Least cloud October 63 % cloud
Hottest on record August 36 °C
Coldest on record February -13 °C
Warmest sea August 26 °C

What to expectAkita through the year

Akita has a clear annual cycle: average daily highs run from 1.7 °C in January to 27 °C in August, a swing of 24 °C in mean temperature across the year.

Counted across a normal year, 47 days a year reach 25 °C, 5 of them reach 30 °C, 77 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in August.

Rain is strongly seasonal. July averages 253 mm against 100 mm in February — 2.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Akita is warmest in August at 26 °C and coldest in March at 8.8 °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	1.7 °C	115 mm	73 %
February	2.3 °C	100 mm	71 %
March	6.1 °C	119 mm	68 %
April	12.1 °C	118 mm	63 %
May	17.4 °C	136 mm	67 %
June	21.5 °C	142 mm	72 %
July	24.9 °C	253 mm	76 %
August	26.6 °C	224 mm	68 %
September	23.2 °C	187 mm	67 %
October	17.2 °C	168 mm	63 %
November	10.7 °C	159 mm	66 %
December	4.6 °C	146 mm	72 %

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	1.7 °C	-2.3 °C	-0.3 °C	9.8 °C	-11.6 °C	0	0	26
February	2.3 °C	-2.2 °C	0.0 °C	15.7 °C	-12.7 °C	0	0	23
March	6.1 °C	0.6 °C	3.2 °C	18.0 °C	-8.3 °C	0	0	14
April	12.1 °C	5.4 °C	8.4 °C	24.1 °C	-2.2 °C	0	0	1
May	17.4 °C	10.7 °C	13.8 °C	28.7 °C	1.8 °C	0	0	0
June	21.5 °C	15.4 °C	18.3 °C	29.2 °C	7.6 °C	3	0	0
July	24.9 °C	19.9 °C	22.2 °C	33.7 °C	11.7 °C	15	1	0
August	26.6 °C	21.3 °C	23.7 °C	35.6 °C	13.2 °C	22	3	0
September	23.2 °C	17.7 °C	20.2 °C	33.3 °C	9.2 °C	7	1	0
October	17.2 °C	11.8 °C	14.2 °C	27.9 °C	2.9 °C	0	0	0
November	10.7 °C	5.8 °C	8.1 °C	22.5 °C	-5.3 °C	0	0	1
December	4.6 °C	0.5 °C	2.5 °C	15.3 °C	-9.3 °C	0	0	13

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	115 mm	21	9.7 h/day	73 %	76 %	21 km/h	11.3 °C
February	100 mm	18	11 h/day	71 %	74 %	21 km/h	9.4 °C
March	119 mm	18	12 h/day	68 %	72 %	21 km/h	8.8 °C
April	118 mm	15	13 h/day	63 %	74 %	20 km/h	10.0 °C
May	136 mm	14	14 h/day	67 %	79 %	17 km/h	13.6 °C
June	142 mm	13	15 h/day	72 %	82 %	15 km/h	18.5 °C
July	253 mm	18	15 h/day	76 %	86 %	15 km/h	22.3 °C
August	224 mm	16	14 h/day	68 %	83 %	15 km/h	25.5 °C
September	187 mm	15	12 h/day	67 %	79 %	16 km/h	24.4 °C
October	168 mm	15	11 h/day	63 %	75 %	18 km/h	20.9 °C
November	159 mm	18	10 h/day	66 %	74 %	19 km/h	17.4 °C
December	146 mm	22	9.4 h/day	72 %	75 %	21 km/h	14.1 °C

How Akita 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
Akita	27 °C	-2.3 °C	1,869 mm	47
Morioka · Japan	26 °C	-7.5 °C	1,219 mm	52
Hirosaki · Japan	27 °C	-6.3 °C	1,416 mm	59
Aomori · Japan	27 °C	-5.7 °C	1,300 mm	54
Hachinohe · Japan	26 °C	-5.1 °C	1,050 mm	49

Where Akita ranks

Ranking	Position	Value
The coolest places in Asia in May	17th of 50	17 °C
The coolest places in Asia in June	23rd of 50	22 °C
The coolest places in Asia in April	30th of 50	12 °C

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

QuestionsCommon questions about Akita’s climate

When is the best time to visit Akita?

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

How hot does Akita get?

In August, the warmest month, daily highs average 27 °C. About 5 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 -2.3 °C in January, the coldest month. A normal year has 77 nights below freezing.

Which month is wettest in Akita?

July, averaging 253 mm over 18 days with rain. The driest month is February with 100 mm. The year as a whole averages 1,869 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 Akita 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: 39.717°, 140.117° (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.