Morioka climate

Name: Morioka
Address: JP

Morioka is warmest in August, with average highs of 26 °C, and coldest in January, when nights average -7.5 °C. July is the wettest month (150 mm) and February the driest (64 mm). Figures are 1991–2020 climate normals.

Across a full year Morioka averages 1,219 mm of rain, 52 days above 25 °C and 121 days below freezing.

Japan · population 290,700 · 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 26 °C
Coldest month January -7.5 °C
Driest month February 64 mm
Wettest month July 150 mm
Least cloud November 65 % cloud
Hottest on record August 36 °C
Coldest on record December -21 °C

What to expectMorioka through the year

Morioka has a clear annual cycle: average daily highs run from 0.2 °C in January to 26 °C in August, a swing of 26 °C in mean temperature across the year.

Counted across a normal year, 52 days a year reach 25 °C, 8 of them reach 30 °C, 121 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in August.

Rain is strongly seasonal. July averages 150 mm against 64 mm in February — 2.3 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	0.2 °C	65 mm	71 %
February	1.2 °C	64 mm	70 %
March	5.2 °C	94 mm	67 %
April	12.2 °C	94 mm	66 %
May	18.6 °C	96 mm	71 %
June	22.3 °C	104 mm	78 %
July	25.4 °C	150 mm	83 %
August	26.5 °C	140 mm	78 %
September	22.4 °C	142 mm	77 %
October	16.3 °C	109 mm	68 %
November	9.5 °C	80 mm	65 %
December	2.8 °C	81 mm	71 %

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	0.2 °C	-7.5 °C	-3.8 °C	8.8 °C	-18.9 °C	0	0	30
February	1.2 °C	-6.8 °C	-3.0 °C	11.4 °C	-17.3 °C	0	0	27
March	5.2 °C	-2.9 °C	0.9 °C	19.5 °C	-13.5 °C	0	0	24
April	12.2 °C	3.0 °C	7.1 °C	26.5 °C	-7.2 °C	0	0	5
May	18.6 °C	9.2 °C	13.5 °C	31.3 °C	-0.4 °C	2	0	0
June	22.3 °C	14.1 °C	17.9 °C	31.4 °C	6.0 °C	6	0	0
July	25.4 °C	18.5 °C	21.6 °C	34.4 °C	10.7 °C	17	2	0
August	26.5 °C	19.5 °C	22.5 °C	35.5 °C	9.0 °C	21	5	0
September	22.4 °C	15.4 °C	18.5 °C	32.6 °C	5.2 °C	6	1	0
October	16.3 °C	8.7 °C	12.1 °C	27.4 °C	-0.9 °C	0	0	0
November	9.5 °C	2.3 °C	5.5 °C	20.6 °C	-11.1 °C	0	0	8
December	2.8 °C	-3.8 °C	-0.6 °C	14.7 °C	-21.3 °C	0	0	26

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	65 mm	11	9.7 h/day	71 %	82 %	16 km/h
February	64 mm	11	11 h/day	70 %	80 %	17 km/h
March	94 mm	14	12 h/day	67 %	78 %	18 km/h
April	94 mm	13	13 h/day	66 %	76 %	17 km/h
May	96 mm	13	14 h/day	71 %	78 %	15 km/h
June	104 mm	13	15 h/day	78 %	83 %	12 km/h
July	150 mm	16	15 h/day	83 %	87 %	11 km/h
August	140 mm	14	14 h/day	78 %	86 %	11 km/h
September	142 mm	12	12 h/day	77 %	86 %	12 km/h
October	109 mm	12	11 h/day	68 %	83 %	14 km/h
November	80 mm	13	10 h/day	65 %	82 %	15 km/h
December	81 mm	13	9.4 h/day	71 %	82 %	16 km/h

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

Where Morioka ranks

Ranking	Position	Value
The coolest places in Asia in June	33rdof 50	22 °C
The coolest places in Asia in April	35thof 50	12 °C
The coolest places in Asia in May	35thof 50	19 °C
The coolest places in Asia in March	49thof 50	5.2 °C

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

QuestionsCommon questions about Morioka’s climate

When is the best time to visit Morioka?

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 Morioka get?

In August, the warmest month, daily highs average 26 °C. About 8 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 -7.5 °C in January, the coldest month. A normal year has 121 nights below freezing.

Which month is wettest in Morioka?

July, averaging 150 mm over 16 days with rain. The driest month is February with 64 mm. The year as a whole averages 1,219 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 Morioka 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.