Matsumoto climate

Name: Matsumoto
Address: JP

Matsumoto is warmest in August, with average highs of 28 °C, and coldest in January, when nights average -5.9 °C. July is the wettest month (232 mm) and February the driest (100 mm). Figures are 1991–2020 climate normals.

Across a full year Matsumoto averages 1,831 mm of rain, 80 days above 25 °C and 104 days below freezing.

Japan · population 241,145 · 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 28 °C
Coldest month January -5.9 °C
Driest month February 100 mm
Wettest month July 232 mm
Least cloud November 56 % cloud
Hottest on record August 34 °C
Coldest on record January -19 °C

What to expectMatsumoto through the year

Matsumoto has a clear annual cycle: average daily highs run from 2.6 °C in January to 28 °C in August, a swing of 26 °C in mean temperature across the year.

Counted across a normal year, 80 days a year reach 25 °C, 13 of them reach 30 °C, 104 nights drop below freezing. The warmest reading in the 1991–2020 record is 34 °C, in August.

Rain is strongly seasonal. July averages 232 mm against 100 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	2.6 °C	104 mm	60 %
February	3.8 °C	100 mm	60 %
March	7.9 °C	147 mm	60 %
April	14.7 °C	135 mm	60 %
May	20.7 °C	150 mm	66 %
June	23.9 °C	220 mm	79 %
July	27.2 °C	232 mm	76 %
August	28.3 °C	148 mm	67 %
September	24.3 °C	198 mm	71 %
October	18.5 °C	187 mm	63 %
November	12.6 °C	108 mm	56 %
December	6.0 °C	102 mm	58 %

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	2.6 °C	-5.9 °C	-2.0 °C	14.3 °C	-19.4 °C	0	0	29
February	3.8 °C	-4.9 °C	-0.9 °C	16.5 °C	-18.0 °C	0	0	24
March	7.9 °C	-1.0 °C	3.1 °C	21.2 °C	-12.5 °C	0	0	18
April	14.7 °C	4.4 °C	9.3 °C	26.9 °C	-6.5 °C	0	0	4
May	20.7 °C	10.2 °C	15.4 °C	30.2 °C	0.4 °C	3	0	0
June	23.9 °C	15.3 °C	19.5 °C	31.5 °C	7.3 °C	11	0	0
July	27.2 °C	19.2 °C	23.0 °C	33.7 °C	12.0 °C	25	5	0
August	28.3 °C	20.0 °C	23.9 °C	34.1 °C	12.4 °C	28	7	0
September	24.3 °C	16.3 °C	20.0 °C	32.7 °C	5.9 °C	13	1	0
October	18.5 °C	9.8 °C	13.8 °C	27.2 °C	-1.2 °C	1	0	0
November	12.6 °C	3.2 °C	7.4 °C	21.3 °C	-7.8 °C	0	0	6
December	6.0 °C	-2.7 °C	1.2 °C	19.9 °C	-15.7 °C	0	0	23

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	104 mm	14	10.0 h/day	60 %	71 %	11 km/h
February	100 mm	13	11 h/day	60 %	71 %	11 km/h
March	147 mm	14	12 h/day	60 %	71 %	12 km/h
April	135 mm	13	13 h/day	60 %	70 %	12 km/h
May	150 mm	14	14 h/day	66 %	72 %	10 km/h
June	220 mm	18	15 h/day	79 %	78 %	8.9 km/h
July	232 mm	19	14 h/day	76 %	81 %	8.8 km/h
August	148 mm	15	14 h/day	67 %	80 %	8.6 km/h
September	198 mm	16	12 h/day	71 %	81 %	9.1 km/h
October	187 mm	13	11 h/day	63 %	79 %	9.1 km/h
November	108 mm	12	10 h/day	56 %	76 %	10 km/h
December	102 mm	14	9.7 h/day	58 %	73 %	11 km/h

How Matsumoto 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
Matsumoto	28 °C	-5.9 °C	1,831 mm	80
Ueda · Japan	29 °C	-4.5 °C	1,513 mm	81
Nagano · Japan	28 °C	-4.4 °C	1,778 mm	77
Kofu · Japan	29 °C	-2.3 °C	1,593 mm	101
Toyama · Japan	29 °C	-2.6 °C	2,254 mm	79

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

QuestionsCommon questions about Matsumoto’s climate

When is the best time to visit Matsumoto?

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 Matsumoto get?

In August, the warmest month, daily highs average 28 °C. About 13 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average -5.9 °C in January, the coldest month. A normal year has 104 nights below freezing.

Which month is wettest in Matsumoto?

July, averaging 232 mm over 19 days with rain. The driest month is February with 100 mm. The year as a whole averages 1,831 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 Matsumoto 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: 36.233°, 137.967° (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.