Inuyama climate — normals and trends

Q: What is the climate of Inuyama?

Inuyama has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,903 mm of precipitation per year.

Q: What is the hottest day ever recorded in Inuyama?

The hottest day measured in Inuyama between 1940 and 2025 was 3 August 2018, reaching 40.2 °C.

Q: What is the coldest day in Inuyama?

The coldest day measured in Inuyama between 1940 and 2025 was 17 January 1967, at -13.3 °C.

Q: Does it snow in Inuyama?

Yes. Inuyama gets on average 12.3 cm of snow per year and has around 53 frost days.

Q: Has the climate of Inuyama warmed?

Yes: Inuyama warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Inuyama?

The wettest day measured in Inuyama between 1940 and 2025 was 25 June 1985, with 156 mm of rain in 24 hours.

Q: What was the windiest day in Inuyama?

The windiest day measured in Inuyama between 1940 and 2025 was 26 September 1959, with winds reaching 75.0 km/h.

Q: What is the warmest month in Inuyama?

The warmest month in Inuyama is August (26.2 °C on average); the coldest is January (3.0 °C).

Q: How much does it rain in Inuyama?

Inuyama receives on average 1,903 mm of precipitation per year, spread over about 144 rainy days.

Q: Is it sunny in Inuyama?

Inuyama gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Inuyama (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 1,903 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (26.2 °C on average) and the coldest is January (3.0 °C). Rainfall peaks in July.

Inuyama averages 53 frost days, 40 hot days (≥ 30 °C) and 144 rainy days per year.

Inuyama has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.

The number of frost days there went from about 89 to 17 per year over the period.

The hottest day of the period reached 40.2 °C (on 3 August 2018) and the coldest -13.3 °C (on 17 January 1967).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

InuyamaAichi

coords: 35.38°, 136.94°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

14.4°C

Average daily high

19.1°C

Average daily low

10.2°C

Annual rainfall

1,903mm

Sunshine / day

8.5h

Mean relative humidity

72%

Average peak wind

12.5km/h

Seasonal range

23.2°C

Frost days (< 0 °C)

53 d/yr

Hot days (≥ 30 °C)

40 d/yr

Rainy days (≥ 1 mm)

144 d/yr

Annual snowfall

12.3 cm

Average feels-like high

19.0 °C

Average feels-like low

9.2 °C

Average peak gust

32.2 km/h

Tropical nights (≥ 20 °C)

71 d/yr

Solar radiation

14.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+3.1 °C

since 1940

+0.4 °C per decade · r² = 0.70 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

40.2 °C

3 August 2018

Coldest day

-13.3 °C

17 January 1967

Wettest day

156 mm

25 June 1985

Windiest day

75.0 km/h

26 September 1959

Strongest gust

206.6 km/h

26 September 1959

Hottest feels-like

45.2 °C

29 July 2025

Coldest feels-like

-18.1 °C

23 February 1947

Snowiest day

19.2 cm

15 February 1968

Sunniest day

14.0 h

13 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.2 °C29 July 2025	-7.3 °C23 February 2025	15.9 °C	1,795 mm	84	48
2024	37.9 °C16 August 2024	-3.2 °C30 December 2024	16.9 °C	2,182 mm	79	23
2023	37.4 °C12 August 2023	-4.9 °C16 February 2023	16.5 °C	1,907 mm	77	25
2022	38.0 °C1 July 2022	-4.4 °C23 December 2022	16.1 °C	1,722 mm	66	19
2021	37.5 °C8 August 2021	-8.9 °C10 January 2021	16.1 °C	2,335 mm	45	20
2020	38.6 °C18 August 2020	-2.8 °C31 December 2020	16.1 °C	2,259 mm	51	9
2019	36.4 °C9 September 2019	-1.7 °C10 January 2019	16.2 °C	1,789 mm	54	12
2018	40.2 °C3 August 2018	-6.0 °C6 February 2018	16.2 °C	2,262 mm	55	30
2017	35.0 °C31 July 2017	-5.9 °C13 February 2017	15.2 °C	1,506 mm	60	22
2016	37.2 °C8 August 2016	-6.1 °C26 January 2016	16.2 °C	1,864 mm	58	22
2015	36.8 °C31 July 2015	-4.5 °C1 January 2015	16.0 °C	1,943 mm	43	18
2014	35.7 °C25 July 2014	-8.0 °C19 December 2014	15.1 °C	1,830 mm	35	31
2013	37.3 °C12 August 2013	-5.7 °C29 January 2013	15.4 °C	1,532 mm	62	31
2012	35.7 °C26 July 2012	-8.2 °C3 February 2012	14.8 °C	1,746 mm	54	32
2011	34.7 °C12 August 2011	-5.3 °C2 February 2011	15.0 °C	2,104 mm	59	38
2010	36.5 °C22 July 2010	-3.0 °C15 January 2010	15.6 °C	2,083 mm	63	17
2009	34.8 °C8 September 2009	-1.7 °C25 January 2009	15.5 °C	1,891 mm	42	13
2008	35.8 °C9 August 2008	-1.8 °C10 February 2008	15.4 °C	1,475 mm	52	23
2007	37.8 °C16 August 2007	-2.3 °C5 February 2007	15.6 °C	1,334 mm	45	10
2006	35.7 °C11 August 2006	-2.9 °C4 February 2006	15.4 °C	1,819 mm	46	23
2005	35.1 °C22 July 2005	-7.3 °C20 December 2005	15.1 °C	1,272 mm	64	36
2004	37.3 °C28 July 2004	-8.3 °C25 January 2004	15.9 °C	2,180 mm	56	34
2003	34.3 °C3 September 2003	-8.3 °C3 February 2003	14.9 °C	2,154 mm	31	43
2002	36.1 °C6 August 2002	-3.7 °C13 February 2002	15.2 °C	1,491 mm	61	32
2001	36.2 °C1 August 2001	-9.8 °C16 January 2001	14.9 °C	1,468 mm	55	49
2000	35.9 °C23 July 2000	-4.4 °C28 January 2000	15.0 °C	1,898 mm	61	48
1999	34.2 °C6 August 1999	-9.7 °C14 February 1999	15.1 °C	2,029 mm	39	43
1998	34.5 °C3 July 1998	-6.0 °C24 January 1998	15.9 °C	2,096 mm	49	33
1997	33.6 °C11 August 1997	-4.6 °C23 February 1997	14.7 °C	1,847 mm	43	54
1996	34.3 °C5 August 1996	-10.2 °C20 February 1996	14.1 °C	1,726 mm	42	61
1995	38.0 °C19 August 1995	-5.2 °C17 January 1995	14.3 °C	1,653 mm	42	61
1994	37.3 °C15 July 1994	-7.2 °C19 February 1994	15.7 °C	1,299 mm	71	38
1993	31.6 °C31 July 1993	-3.2 °C15 February 1993	14.3 °C	2,366 mm	18	22
1992	34.9 °C27 July 1992	-4.5 °C2 February 1992	14.9 °C	1,616 mm	39	26
1991	34.7 °C19 August 1991	-8.4 °C26 February 1991	15.1 °C	2,084 mm	43	38
1990	37.1 °C4 August 1990	-4.1 °C26 January 1990	15.6 °C	2,035 mm	58	21
1989	33.1 °C27 July 1989	-1.9 °C29 January 1989	15.0 °C	2,149 mm	35	19
1988	34.9 °C2 August 1988	-3.0 °C4 February 1988	14.1 °C	1,959 mm	32	47
1987	34.6 °C30 August 1987	-7.4 °C2 March 1987	15.0 °C	1,650 mm	46	40
1986	34.1 °C2 September 1986	-4.7 °C12 January 1986	14.0 °C	1,736 mm	40	61
1985	34.3 °C30 July 1985	-8.8 °C15 January 1985	14.4 °C	2,124 mm	42	61
1984	35.4 °C8 August 1984	-10.0 °C4 February 1984	13.8 °C	1,337 mm	42	76
1983	35.6 °C15 August 1983	-4.5 °C14 February 1983	14.4 °C	2,087 mm	38	60
1982	31.2 °C7 August 1982	-5.4 °C2 January 1982	14.4 °C	2,014 mm	23	55
1981	34.8 °C17 July 1981	-11.1 °C28 February 1981	13.2 °C	1,741 mm	36	81
1980	33.8 °C21 July 1980	-10.0 °C23 January 1980	13.5 °C	2,540 mm	10	80
1979	34.6 °C31 July 1979	-4.7 °C20 January 1979	14.8 °C	2,073 mm	33	60
1978	34.8 °C12 August 1978	-8.4 °C23 January 1978	14.4 °C	1,825 mm	54	63
1977	34.4 °C4 August 1977	-7.5 °C4 January 1977	14.6 °C	2,154 mm	40	63
1976	34.2 °C22 August 1976	-9.4 °C30 December 1976	13.7 °C	2,464 mm	19	59
1975	34.2 °C18 July 1975	-8.3 °C24 February 1975	14.3 °C	2,439 mm	41	65
1974	33.6 °C15 August 1974	-7.1 °C15 February 1974	13.9 °C	2,346 mm	31	59
1973	35.5 °C10 August 1973	-6.5 °C25 December 1973	14.2 °C	1,858 mm	37	58
1972	35.0 °C8 August 1972	-3.1 °C2 March 1972	14.6 °C	3,083 mm	32	38
1971	33.6 °C29 July 1971	-5.1 °C2 February 1971	13.9 °C	2,377 mm	31	54
1970	35.0 °C5 August 1970	-10.1 °C11 February 1970	13.7 °C	1,973 mm	33	71
1969	34.7 °C13 August 1969	-6.1 °C8 January 1969	13.9 °C	2,175 mm	35	64
1968	34.2 °C22 July 1968	-12.0 °C21 February 1968	13.8 °C	2,131 mm	26	67
1967	34.3 °C5 August 1967	-13.3 °C17 January 1967	14.1 °C	1,928 mm	44	81
1966	34.0 °C7 August 1966	-10.8 °C8 February 1966	13.1 °C	2,200 mm	21	82
1965	32.8 °C21 August 1965	-8.4 °C17 January 1965	12.6 °C	1,920 mm	21	95
1964	34.4 °C10 August 1964	-2.5 °C13 February 1964	14.9 °C	1,662 mm	53	40
1963	35.4 °C18 July 1963	-11.8 °C26 January 1963	13.7 °C	1,850 mm	41	74
1962	34.9 °C22 July 1962	-3.7 °C27 January 1962	14.2 °C	2,042 mm	43	59
1961	34.5 °C9 July 1961	-4.7 °C20 January 1961	15.0 °C	2,141 mm	47	66
1960	36.4 °C1 August 1960	-3.2 °C25 January 1960	14.8 °C	1,768 mm	44	42
1959	36.1 °C1 August 1959	-5.1 °C20 January 1959	15.1 °C	2,179 mm	39	38
1958	33.7 °C4 August 1958	-4.8 °C4 January 1958	14.5 °C	1,963 mm	34	43
1957	34.3 °C1 August 1957	-4.9 °C9 January 1957	14.0 °C	2,245 mm	24	61
1956	36.8 °C3 August 1956	-5.5 °C3 February 1956	14.1 °C	2,133 mm	38	71
1955	36.0 °C8 August 1955	-9.0 °C12 January 1955	14.8 °C	1,843 mm	51	48
1954	35.6 °C9 August 1954	-8.2 °C7 February 1954	14.4 °C	1,945 mm	28	51
1953	34.8 °C21 August 1953	-9.1 °C23 February 1953	14.2 °C	2,460 mm	28	53
1952	33.4 °C27 August 1952	-10.9 °C19 January 1952	12.9 °C	1,817 mm	22	93
1951	34.3 °C28 July 1951	-10.5 °C18 February 1951	12.8 °C	1,685 mm	33	86
1950	32.0 °C22 August 1950	-8.1 °C12 January 1950	13.3 °C	1,634 mm	15	90
1949	33.2 °C6 August 1949	-6.9 °C30 December 1949	12.8 °C	1,744 mm	16	85
1948	31.7 °C19 August 1948	-5.6 °C4 January 1948	13.5 °C	1,678 mm	9	79
1947	34.0 °C12 August 1947	-13.2 °C23 February 1947	12.1 °C	1,549 mm	28	104
1946	34.4 °C17 July 1946	-6.3 °C6 January 1946	13.3 °C	1,384 mm	24	97
1945	32.3 °C9 August 1945	-12.9 °C19 January 1945	12.3 °C	2,230 mm	12	101
1944	32.3 °C11 August 1944	-5.7 °C9 January 1944	13.1 °C	1,449 mm	15	102
1943	32.5 °C13 August 1943	-6.4 °C16 February 1943	12.7 °C	1,182 mm	14	105
1942	34.7 °C4 August 1942	-12.4 °C14 February 1942	13.0 °C	1,068 mm	43	94
1941	31.8 °C18 August 1941	-9.0 °C2 February 1941	13.0 °C	1,828 mm	8	89
1940	31.8 °C25 July 1940	-12.6 °C9 February 1940	12.4 °C	1,328 mm	9	104

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

21.0 °C

+1.9 °C

Hot days (≥ 30 °C)

84 d/yr

+44

Frost days (< 0 °C)

48 d/yr

-5

Annual rainfall

1795 mm

-108 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	8.7 °C	+1.1 °C	30 mm	-27 mm
Feb	7.3 °C	-1.5 °C	34 mm	-39 mm
Mar	14.5 °C	+1.8 °C	144 mm	+13 mm
Apr	20.2 °C	+2.0 °C	152 mm	-16 mm
May	23.8 °C	+1.3 °C	224 mm	+38 mm
Jun	28.1 °C	+2.6 °C	287 mm	+34 mm
Jul	33.7 °C	+4.6 °C	168 mm	-125 mm
Aug	34.2 °C	+3.5 °C	169 mm	-27 mm
Sep	30.1 °C	+3.1 °C	249 mm	+17 mm
Oct	22.9 °C	+1.4 °C	217 mm	+60 mm
Nov	16.5 °C	+0.6 °C	47 mm	-49 mm
Dec	11.3 °C	+1.1 °C	75 mm	+13 mm

The year's extremes

Hottest day

38.2 °C

29 Jul 2025

Coldest day

-7.3 °C

23 Feb 2025

Wettest day

80.1 mm

5 Sep 2025

Windiest day

31.8 km/h

15 Jul 2025

Strongest gust

72.4 km/h

19 Mar 2025

Hottest feels-like

45.2 °C

29 Jul 2025

Coldest feels-like

-11.3 °C

23 Feb 2025

Snowiest day

2.6 cm

7 Feb 2025

Sunniest day

14.0 h

1 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Inuyama?

Inuyama has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,903 mm of precipitation per year.

What is the hottest day ever recorded in Inuyama?

The hottest day measured in Inuyama between 1940 and 2025 was 3 August 2018, reaching 40.2 °C.

What is the coldest day in Inuyama?

The coldest day measured in Inuyama between 1940 and 2025 was 17 January 1967, at -13.3 °C.

Does it snow in Inuyama?

Yes. Inuyama gets on average 12.3 cm of snow per year and has around 53 frost days.

Has the climate of Inuyama warmed?

Yes: Inuyama warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Inuyama?

The wettest day measured in Inuyama between 1940 and 2025 was 25 June 1985, with 156 mm of rain in 24 hours.

What was the windiest day in Inuyama?

The windiest day measured in Inuyama between 1940 and 2025 was 26 September 1959, with winds reaching 75.0 km/h.

What is the warmest month in Inuyama?

The warmest month in Inuyama is August (26.2 °C on average); the coldest is January (3.0 °C).

How much does it rain in Inuyama?

Inuyama receives on average 1,903 mm of precipitation per year, spread over about 144 rainy days.

Is it sunny in Inuyama?

Inuyama gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

What is the biggest single-day snowfall in Inuyama?

The heaviest 24-hour snowfall measured in Inuyama between 1940 and 2025 was 15 February 1968, with 19.2 cm.

Are there tropical nights in Inuyama?

Yes: Inuyama has on average 71 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Inuyama?

In Inuyama, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 29 July 2025, and the lowest was -18.1 °C on 23 February 1947.

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