Hitoyoshi climate — normals and trends

Q: What is the climate of Hitoyoshi?

Hitoyoshi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 2,113 mm of precipitation per year.

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

The hottest day measured in Hitoyoshi between 1940 and 2025 was 1 August 1942, reaching 34.7 °C.

Q: What is the coldest day in Hitoyoshi?

The coldest day measured in Hitoyoshi between 1940 and 2025 was 24 January 1976, at -15.6 °C.

Q: Does it snow in Hitoyoshi?

Yes. Hitoyoshi gets on average 14.2 cm of snow per year and has around 56 frost days.

Q: Has the climate of Hitoyoshi warmed?

Yes: Hitoyoshi warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hitoyoshi?

The wettest day measured in Hitoyoshi between 1940 and 2025 was 3 July 2019, with 240 mm of rain in 24 hours.

Q: What was the windiest day in Hitoyoshi?

The windiest day measured in Hitoyoshi between 1940 and 2025 was 27 September 1991, with winds reaching 54.4 km/h.

Q: What is the warmest month in Hitoyoshi?

The warmest month in Hitoyoshi is August (25.1 °C on average); the coldest is January (3.3 °C).

Q: How much does it rain in Hitoyoshi?

Hitoyoshi receives on average 2,113 mm of precipitation per year, spread over about 163 rainy days.

Q: Is it sunny in Hitoyoshi?

Hitoyoshi gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

Hitoyoshi (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 2,113 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 (25.1 °C on average) and the coldest is January (3.3 °C). Rainfall peaks in June.

Hitoyoshi averages 56 frost days, 23 hot days (≥ 30 °C) and 163 rainy days per year.

Hitoyoshi has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.

The number of frost days there went from about 74 to 38 per year over the period.

The hottest day of the period reached 34.7 °C (on 1 August 1942) and the coldest -15.6 °C (on 24 January 1976).

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

HitoyoshiKumamoto

coords: 32.22°, 130.75°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

14.5°C

Average daily high

18.9°C

Average daily low

10.5°C

Annual rainfall

2,113mm

Sunshine / day

8.2h

Mean relative humidity

78%

Average peak wind

11.9km/h

Seasonal range

21.8°C

Frost days (< 0 °C)

56 d/yr

Hot days (≥ 30 °C)

23 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

14.2 cm

Average feels-like high

19.0 °C

Average feels-like low

9.9 °C

Average peak gust

39.2 km/h

Tropical nights (≥ 20 °C)

75 d/yr

Solar radiation

14.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °C

since 1940

+0.3 °C per decade · r² = 0.75 · 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

34.7 °C

1 August 1942

Coldest day

-15.6 °C

24 January 1976

Wettest day

240 mm

3 July 2019

Windiest day

54.4 km/h

27 September 1991

Strongest gust

186.1 km/h

27 September 1991

Hottest feels-like

41.2 °C

3 August 2024

Coldest feels-like

-20.5 °C

24 January 1976

Snowiest day

15.8 cm

23 January 1998

Sunniest day

13.8 h

9 June 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.2 °C1 August 2025	-7.3 °C9 February 2025	15.4 °C	1,802 mm	54	61
2024	34.7 °C3 August 2024	-4.5 °C23 December 2024	16.7 °C	2,770 mm	69	38
2023	32.5 °C28 July 2023	-6.8 °C25 January 2023	16.0 °C	2,168 mm	39	39
2022	33.0 °C2 August 2022	-4.2 °C1 January 2022	15.7 °C	2,061 mm	43	52
2021	32.8 °C5 August 2021	-5.7 °C9 January 2021	15.9 °C	2,120 mm	24	37
2020	34.6 °C18 August 2020	-3.9 °C18 December 2020	15.6 °C	2,722 mm	33	39
2019	33.2 °C5 August 2019	-3.6 °C27 January 2019	15.8 °C	2,169 mm	29	23
2018	34.0 °C19 July 2018	-6.8 °C27 January 2018	15.6 °C	2,269 mm	42	47
2017	33.7 °C2 August 2017	-7.4 °C25 January 2017	15.0 °C	2,107 mm	41	47
2016	33.4 °C23 August 2016	-9.8 °C25 January 2016	16.1 °C	2,954 mm	45	36
2015	34.2 °C8 August 2015	-4.5 °C3 January 2015	15.4 °C	2,861 mm	23	37
2014	31.8 °C26 July 2014	-4.8 °C19 December 2014	15.0 °C	2,227 mm	13	45
2013	33.5 °C19 August 2013	-3.5 °C11 January 2013	15.5 °C	1,865 mm	46	33
2012	32.2 °C18 August 2012	-6.3 °C3 February 2012	14.8 °C	2,635 mm	26	51
2011	32.5 °C1 September 2011	-5.7 °C16 January 2011	15.0 °C	2,206 mm	31	59
2010	32.4 °C3 August 2010	-3.1 °C14 January 2010	15.5 °C	2,306 mm	38	37
2009	31.6 °C11 August 2009	-3.6 °C24 January 2009	15.5 °C	1,749 mm	24	30
2008	32.9 °C15 July 2008	-4.3 °C18 February 2008	15.2 °C	1,982 mm	31	40
2007	32.6 °C17 August 2007	-5.2 °C3 February 2007	15.8 °C	2,168 mm	33	26
2006	33.4 °C8 August 2006	-4.1 °C5 February 2006	15.5 °C	2,518 mm	34	39
2005	32.1 °C23 July 2005	-5.2 °C18 December 2005	14.8 °C	1,868 mm	32	63
2004	32.7 °C30 July 2004	-5.6 °C25 January 2004	15.6 °C	2,239 mm	38	41
2003	32.7 °C4 September 2003	-5.5 °C7 February 2003	15.5 °C	2,177 mm	24	43
2002	32.7 °C24 July 2002	-3.5 °C28 December 2002	15.5 °C	1,786 mm	26	31
2001	33.1 °C3 August 2001	-10.9 °C18 January 2001	15.3 °C	2,101 mm	37	41
2000	32.6 °C20 July 2000	-3.5 °C29 January 2000	15.3 °C	2,000 mm	26	41
1999	31.0 °C12 August 1999	-3.9 °C4 February 1999	15.2 °C	2,175 mm	9	40
1998	32.4 °C7 August 1998	-11.4 °C25 January 1998	16.2 °C	2,298 mm	38	29
1997	31.7 °C2 September 1997	-4.6 °C23 January 1997	15.0 °C	2,042 mm	21	48
1996	32.4 °C29 July 1996	-6.8 °C11 February 1996	14.6 °C	1,991 mm	29	56
1995	32.7 °C25 August 1995	-5.4 °C31 December 1995	14.3 °C	1,971 mm	34	47
1994	34.5 °C6 August 1994	-5.3 °C24 January 1994	15.5 °C	1,560 mm	54	50
1993	30.4 °C31 August 1993	-4.6 °C3 February 1993	14.3 °C	3,620 mm	5	56
1992	32.1 °C23 July 1992	-5.1 °C2 February 1992	14.8 °C	2,195 mm	24	43
1991	32.0 °C18 August 1991	-7.9 °C26 February 1991	15.0 °C	2,404 mm	23	50
1990	33.6 °C21 July 1990	-9.2 °C17 January 1990	15.4 °C	2,412 mm	43	43
1989	31.7 °C18 July 1989	-3.7 °C3 February 1989	15.0 °C	2,134 mm	14	39
1988	32.0 °C7 July 1988	-4.7 °C4 February 1988	14.4 °C	1,854 mm	14	57
1987	32.2 °C28 July 1987	-6.8 °C3 March 1987	14.9 °C	2,324 mm	17	57
1986	32.8 °C16 August 1986	-7.5 °C12 January 1986	14.1 °C	1,815 mm	22	72
1985	32.3 °C30 July 1985	-8.0 °C18 December 1985	14.7 °C	1,928 mm	22	64
1984	33.3 °C8 August 1984	-11.2 °C10 February 1984	14.1 °C	1,745 mm	28	82
1983	33.0 °C4 August 1983	-6.8 °C22 February 1983	14.6 °C	2,324 mm	14	61
1982	31.6 °C2 August 1982	-7.2 °C30 January 1982	14.5 °C	2,369 mm	11	60
1981	32.3 °C19 August 1981	-14.4 °C23 January 1981	13.8 °C	1,772 mm	22	75
1980	31.7 °C20 July 1980	-14.1 °C17 February 1980	13.7 °C	2,402 mm	3	77
1979	32.3 °C2 August 1979	-3.9 °C23 January 1979	14.3 °C	2,482 mm	25	53
1978	31.7 °C6 July 1978	-8.1 °C17 February 1978	14.5 °C	1,637 mm	28	52
1977	32.6 °C28 July 1977	-13.5 °C6 February 1977	14.4 °C	2,242 mm	19	71
1976	31.5 °C17 July 1976	-15.6 °C24 January 1976	13.8 °C	2,673 mm	10	69
1975	31.1 °C23 July 1975	-11.1 °C24 February 1975	14.3 °C	2,285 mm	12	65
1974	33.3 °C15 August 1974	-7.6 °C28 February 1974	13.9 °C	1,886 mm	13	69
1973	31.8 °C15 July 1973	-7.3 °C27 December 1973	14.1 °C	2,022 mm	25	67
1972	31.2 °C5 August 1972	-4.2 °C1 March 1972	14.3 °C	2,822 mm	13	51
1971	33.1 °C1 August 1971	-7.3 °C11 February 1971	14.1 °C	2,416 mm	13	66
1970	32.5 °C23 July 1970	-8.4 °C18 January 1970	13.9 °C	2,271 mm	18	76
1969	32.8 °C8 August 1969	-6.4 °C16 January 1969	14.2 °C	2,236 mm	33	67
1968	32.4 °C24 July 1968	-12.3 °C26 February 1968	13.7 °C	2,208 mm	18	67
1967	33.9 °C18 August 1967	-11.6 °C18 January 1967	14.3 °C	1,821 mm	44	69
1966	32.2 °C8 August 1966	-4.9 °C20 January 1966	13.8 °C	2,257 mm	11	55
1965	30.9 °C25 July 1965	-10.6 °C17 January 1965	12.8 °C	2,327 mm	6	72
1964	32.1 °C25 July 1964	-7.7 °C26 February 1964	14.8 °C	2,181 mm	27	68
1963	31.6 °C19 July 1963	-11.5 °C4 February 1963	13.6 °C	1,822 mm	16	77
1962	32.6 °C26 July 1962	-8.6 °C1 February 1962	13.7 °C	2,004 mm	15	75
1961	32.6 °C18 July 1961	-7.9 °C4 February 1961	14.8 °C	1,780 mm	38	70
1960	32.1 °C22 July 1960	-7.8 °C30 January 1960	14.4 °C	1,774 mm	31	67
1959	32.0 °C3 August 1959	-10.4 °C20 January 1959	14.6 °C	2,220 mm	15	46
1958	32.4 °C6 August 1958	-9.7 °C19 January 1958	14.4 °C	1,853 mm	22	68
1957	30.7 °C1 August 1957	-6.1 °C22 January 1957	13.6 °C	2,515 mm	5	66
1956	33.0 °C3 August 1956	-9.2 °C13 March 1956	13.7 °C	2,094 mm	30	85
1955	32.1 °C10 August 1955	-7.9 °C12 January 1955	14.2 °C	1,880 mm	14	68
1954	32.1 °C10 August 1954	-5.6 °C10 February 1954	14.3 °C	2,450 mm	17	61
1953	32.6 °C15 August 1953	-7.1 °C17 January 1953	14.0 °C	2,233 mm	21	65
1952	32.0 °C3 August 1952	-7.8 °C6 February 1952	13.9 °C	1,865 mm	5	49
1951	32.0 °C15 August 1951	-5.4 °C14 January 1951	13.6 °C	2,012 mm	17	55
1950	29.5 °C3 August 1950	-4.0 °C7 January 1950	13.7 °C	1,787 mm	0	61
1949	30.1 °C7 August 1949	-6.3 °C10 January 1949	13.3 °C	2,359 mm	1	50
1948	30.5 °C20 August 1948	-6.1 °C18 January 1948	13.8 °C	2,013 mm	1	57
1947	31.4 °C12 August 1947	-8.7 °C22 February 1947	12.4 °C	1,358 mm	4	83
1946	33.5 °C16 July 1946	-4.7 °C19 January 1946	13.8 °C	1,520 mm	14	66
1945	30.2 °C29 July 1945	-9.9 °C29 January 1945	12.8 °C	2,471 mm	2	81
1944	30.4 °C3 September 1944	-5.6 °C9 January 1944	13.4 °C	1,406 mm	4	72
1943	30.2 °C14 August 1943	-6.4 °C1 February 1943	13.1 °C	1,239 mm	2	73
1942	34.7 °C1 August 1942	-9.3 °C19 January 1942	13.4 °C	1,242 mm	25	70
1941	30.2 °C17 August 1941	-9.2 °C2 February 1941	13.4 °C	1,538 mm	3	59
1940	30.9 °C29 July 1940	-14.6 °C5 February 1940	12.7 °C	1,356 mm	2	80

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

20.3 °C

+1.4 °C

Hot days (≥ 30 °C)

54 d/yr

+31

Frost days (< 0 °C)

61 d/yr

Annual rainfall

1803 mm

-311 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	8.4 °C	+0.6 °C	42 mm	-33 mm
Feb	7.8 °C	-1.5 °C	68 mm	-33 mm
Mar	14.4 °C	+1.1 °C	158 mm	+11 mm
Apr	19.0 °C	+0.6 °C	139 mm	-41 mm
May	22.1 °C	+0.1 °C	349 mm	+126 mm
Jun	26.7 °C	+2.2 °C	356 mm	-80 mm
Jul	30.5 °C	+2.4 °C	75 mm	-237 mm
Aug	30.4 °C	+1.3 °C	289 mm	+98 mm
Sep	28.9 °C	+2.4 °C	113 mm	-69 mm
Oct	25.1 °C	+3.4 °C	118 mm	+9 mm
Nov	16.9 °C	+0.7 °C	46 mm	-42 mm
Dec	12.5 °C	+2.2 °C	51 mm	-21 mm

The year's extremes

Hottest day

34.2 °C

1 Aug 2025

Coldest day

-7.3 °C

9 Feb 2025

Wettest day

79.5 mm

9 Jun 2025

Windiest day

25.9 km/h

4 Feb 2025

Strongest gust

88.6 km/h

16 Jun 2025

Hottest feels-like

40.9 °C

2 Jul 2025

Coldest feels-like

-11.1 °C

9 Feb 2025

Snowiest day

1.6 cm

5 Feb 2025

Sunniest day

13.7 h

6 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 Hitoyoshi?

Hitoyoshi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 2,113 mm of precipitation per year.

What is the hottest day ever recorded in Hitoyoshi?

The hottest day measured in Hitoyoshi between 1940 and 2025 was 1 August 1942, reaching 34.7 °C.

What is the coldest day in Hitoyoshi?

The coldest day measured in Hitoyoshi between 1940 and 2025 was 24 January 1976, at -15.6 °C.

Does it snow in Hitoyoshi?

Yes. Hitoyoshi gets on average 14.2 cm of snow per year and has around 56 frost days.

Has the climate of Hitoyoshi warmed?

Yes: Hitoyoshi warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hitoyoshi?

The wettest day measured in Hitoyoshi between 1940 and 2025 was 3 July 2019, with 240 mm of rain in 24 hours.

What was the windiest day in Hitoyoshi?

The windiest day measured in Hitoyoshi between 1940 and 2025 was 27 September 1991, with winds reaching 54.4 km/h.

What is the warmest month in Hitoyoshi?

The warmest month in Hitoyoshi is August (25.1 °C on average); the coldest is January (3.3 °C).

How much does it rain in Hitoyoshi?

Hitoyoshi receives on average 2,113 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Hitoyoshi?

Hitoyoshi gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

What is the biggest single-day snowfall in Hitoyoshi?

The heaviest 24-hour snowfall measured in Hitoyoshi between 1940 and 2025 was 23 January 1998, with 15.8 cm.

Are there tropical nights in Hitoyoshi?

Yes: Hitoyoshi has on average 75 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hitoyoshi?

In Hitoyoshi, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 3 August 2024, and the lowest was -20.5 °C on 24 January 1976.

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