Himimachi climate — normals and trends

Q: What is the climate of Himimachi?

Himimachi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.9 °C and it receives 2,218 mm of precipitation per year.

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

The hottest day measured in Himimachi between 1940 and 2025 was 14 August 1994, reaching 39.8 °C.

Q: What is the coldest day in Himimachi?

The coldest day measured in Himimachi between 1940 and 2025 was 29 January 1947, at -14.3 °C.

Q: Does it snow in Himimachi?

Yes. Himimachi gets on average 122.0 cm of snow per year and has around 60 frost days.

Q: Has the climate of Himimachi warmed?

Yes: Himimachi warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Himimachi?

The wettest day measured in Himimachi between 1940 and 2025 was 12 July 1972, with 170 mm of rain in 24 hours.

Q: What was the windiest day in Himimachi?

The windiest day measured in Himimachi between 1940 and 2025 was 16 September 1961, with winds reaching 62.6 km/h.

Q: What is the warmest month in Himimachi?

The warmest month in Himimachi is August (26.7 °C on average); the coldest is January (1.9 °C).

Q: How much does it rain in Himimachi?

Himimachi receives on average 2,218 mm of precipitation per year, spread over about 215 rainy days.

Q: Is it sunny in Himimachi?

Himimachi gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Himimachi (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.9 °C and it receives 2,218 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 (26.7 °C on average) and the coldest is January (1.9 °C). Rainfall peaks in July.

Himimachi averages 60 frost days, 41 hot days (≥ 30 °C) and 215 rainy days per year.

Himimachi has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.

The number of frost days there went from about 85 to 35 per year over the period.

The hottest day of the period reached 39.8 °C (on 14 August 1994) and the coldest -14.3 °C (on 29 January 1947).

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

HimimachiToyama

coords: 36.86°, 136.99°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

13.9°C

Average daily high

18.2°C

Average daily low

9.8°C

Annual rainfall

2,218mm

Sunshine / day

8.8h

Mean relative humidity

77%

Average peak wind

13.1km/h

Seasonal range

24.8°C

Frost days (< 0 °C)

60 d/yr

Hot days (≥ 30 °C)

41 d/yr

Rainy days (≥ 1 mm)

215 d/yr

Annual snowfall

122.0 cm

Average feels-like high

18.2 °C

Average feels-like low

8.9 °C

Average peak gust

32.9 km/h

Tropical nights (≥ 20 °C)

68 d/yr

Solar radiation

14.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.7 °C

since 1940

+0.3 °C per decade · r² = 0.66 · 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

39.8 °C

14 August 1994

Coldest day

-14.3 °C

29 January 1947

Wettest day

170 mm

12 July 1972

Windiest day

62.6 km/h

16 September 1961

Strongest gust

164.5 km/h

4 September 2018

Hottest feels-like

45.1 °C

10 August 2023

Coldest feels-like

-19.3 °C

29 January 1947

Snowiest day

22.8 cm

12 March 1969

Sunniest day

14.0 h

27 May 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.1 °C4 August 2025	-6.0 °C12 February 2025	15.5 °C	2,212 mm	82	45
2024	37.8 °C23 August 2024	-6.2 °C14 January 2024	15.9 °C	2,493 mm	75	24
2023	39.1 °C10 August 2023	-5.8 °C25 January 2023	16.1 °C	2,213 mm	78	33
2022	36.4 °C1 August 2022	-4.5 °C2 January 2022	15.1 °C	2,320 mm	58	47
2021	36.3 °C5 August 2021	-6.7 °C21 January 2021	15.3 °C	2,406 mm	43	44
2020	37.8 °C10 August 2020	-4.7 °C7 February 2020	15.5 °C	2,391 mm	50	20
2019	37.5 °C15 August 2019	-4.3 °C15 February 2019	15.3 °C	2,051 mm	44	36
2018	37.9 °C22 August 2018	-9.2 °C14 January 2018	15.2 °C	2,125 mm	66	54
2017	36.2 °C11 July 2017	-4.7 °C26 January 2017	14.4 °C	2,265 mm	42	45
2016	36.5 °C13 August 2016	-5.1 °C18 February 2016	15.5 °C	2,023 mm	54	34
2015	36.8 °C13 July 2015	-4.2 °C2 January 2015	15.2 °C	2,026 mm	40	30
2014	36.0 °C26 July 2014	-6.0 °C14 January 2014	14.3 °C	2,384 mm	37	62
2013	35.9 °C18 August 2013	-6.3 °C5 January 2013	14.6 °C	2,369 mm	50	51
2012	36.3 °C16 July 2012	-6.3 °C19 February 2012	14.3 °C	1,978 mm	63	69
2011	35.6 °C10 August 2011	-7.2 °C31 January 2011	14.3 °C	2,104 mm	60	74
2010	38.3 °C24 August 2010	-6.9 °C4 February 2010	15.0 °C	2,356 mm	62	44
2009	34.9 °C20 August 2009	-6.1 °C14 January 2009	14.7 °C	2,116 mm	25	37
2008	35.8 °C3 August 2008	-7.6 °C28 January 2008	14.7 °C	1,837 mm	49	47
2007	36.0 °C14 August 2007	-4.1 °C5 February 2007	14.9 °C	1,909 mm	40	29
2006	37.9 °C19 August 2006	-5.3 °C10 January 2006	14.6 °C	2,019 mm	48	49
2005	35.2 °C3 August 2005	-7.5 °C27 February 2005	14.5 °C	1,868 mm	56	62
2004	37.1 °C2 August 2004	-7.0 °C11 February 2004	15.3 °C	2,326 mm	51	37
2003	35.5 °C13 September 2003	-8.0 °C9 January 2003	14.3 °C	2,153 mm	22	36
2002	37.0 °C1 September 2002	-4.9 °C1 February 2002	14.6 °C	2,156 mm	53	37
2001	34.6 °C31 July 2001	-6.5 °C12 March 2001	14.3 °C	2,024 mm	45	58
2000	38.1 °C1 September 2000	-7.7 °C28 January 2000	14.5 °C	2,089 mm	63	55
1999	37.2 °C7 August 1999	-9.1 °C4 February 1999	14.6 °C	2,315 mm	48	57
1998	35.2 °C3 July 1998	-7.3 °C30 January 1998	15.1 °C	2,655 mm	32	38
1997	35.7 °C11 August 1997	-5.6 °C22 January 1997	14.2 °C	2,238 mm	41	54
1996	35.0 °C29 July 1996	-6.6 °C4 February 1996	13.5 °C	2,063 mm	42	67
1995	36.7 °C24 July 1995	-6.9 °C17 January 1995	13.7 °C	2,172 mm	37	64
1994	39.8 °C14 August 1994	-4.9 °C31 January 1994	15.2 °C	1,392 mm	62	50
1993	33.7 °C25 July 1993	-5.9 °C23 January 1993	13.8 °C	2,488 mm	13	34
1992	34.6 °C30 July 1992	-5.8 °C21 January 1992	14.3 °C	1,899 mm	36	39
1991	35.2 °C23 July 1991	-4.6 °C24 January 1991	14.5 °C	2,510 mm	32	53
1990	35.7 °C16 August 1990	-7.6 °C26 January 1990	15.3 °C	2,008 mm	59	32
1989	35.3 °C28 July 1989	-4.4 °C28 January 1989	14.6 °C	2,555 mm	31	24
1988	33.5 °C22 August 1988	-6.6 °C9 February 1988	13.4 °C	2,370 mm	24	61
1987	35.9 °C23 July 1987	-9.2 °C22 January 1987	14.4 °C	1,916 mm	39	49
1986	36.1 °C13 August 1986	-8.5 °C13 January 1986	13.4 °C	1,696 mm	35	69
1985	36.7 °C1 September 1985	-7.7 °C16 December 1985	13.9 °C	2,376 mm	52	64
1984	35.6 °C16 August 1984	-8.3 °C8 January 1984	13.2 °C	1,788 mm	45	83
1983	36.0 °C29 August 1983	-7.9 °C28 December 1983	13.9 °C	2,456 mm	34	65
1982	34.8 °C28 August 1982	-9.1 °C18 January 1982	14.1 °C	2,086 mm	17	54
1981	35.3 °C9 July 1981	-6.1 °C28 February 1981	13.2 °C	2,252 mm	39	66
1980	34.2 °C11 September 1980	-5.5 °C17 February 1980	13.5 °C	2,636 mm	12	63
1979	35.2 °C17 August 1979	-6.8 °C20 January 1979	14.5 °C	2,561 mm	31	49
1978	36.6 °C2 August 1978	-7.4 °C16 February 1978	14.2 °C	2,058 mm	61	59
1977	36.6 °C4 August 1977	-7.4 °C29 December 1977	14.0 °C	2,228 mm	30	64
1976	34.6 °C25 July 1976	-6.8 °C16 January 1976	13.2 °C	3,017 mm	21	58
1975	36.8 °C5 August 1975	-7.4 °C18 February 1975	13.9 °C	2,475 mm	49	69
1974	34.6 °C30 July 1974	-7.2 °C1 March 1974	13.2 °C	2,378 mm	32	65
1973	35.3 °C17 August 1973	-6.0 °C25 December 1973	13.9 °C	2,000 mm	57	72
1972	34.6 °C6 August 1972	-6.2 °C2 March 1972	14.2 °C	3,066 mm	41	49
1971	36.2 °C8 July 1971	-10.7 °C2 February 1971	13.3 °C	2,791 mm	31	68
1970	34.6 °C22 August 1970	-7.8 °C20 January 1970	13.1 °C	2,404 mm	44	81
1969	34.4 °C3 August 1969	-6.6 °C16 January 1969	13.2 °C	2,577 mm	39	73
1968	33.5 °C20 July 1968	-6.0 °C29 January 1968	13.5 °C	2,453 mm	29	71
1967	34.9 °C10 August 1967	-11.3 °C31 December 1967	13.6 °C	2,235 mm	48	77
1966	33.4 °C17 August 1966	-9.4 °C15 February 1966	12.7 °C	2,390 mm	35	86
1965	35.2 °C6 August 1965	-7.9 °C6 January 1965	12.1 °C	2,542 mm	19	90
1964	37.4 °C16 August 1964	-5.2 °C16 February 1964	14.2 °C	2,602 mm	42	50
1963	35.6 °C27 July 1963	-4.7 °C6 March 1963	13.7 °C	2,430 mm	45	69
1962	35.4 °C3 August 1962	-6.2 °C14 February 1962	13.9 °C	2,027 mm	48	58
1961	35.7 °C26 August 1961	-7.4 °C20 January 1961	14.6 °C	2,485 mm	61	66
1960	35.5 °C29 August 1960	-5.9 °C25 January 1960	14.2 °C	2,199 mm	43	54
1959	34.8 °C2 August 1959	-7.3 °C9 January 1959	14.5 °C	2,506 mm	40	49
1958	35.0 °C31 July 1958	-9.9 °C4 January 1958	14.1 °C	2,201 mm	31	48
1957	35.2 °C21 August 1957	-7.2 °C3 February 1957	13.4 °C	2,301 mm	24	64
1956	34.7 °C6 September 1956	-7.4 °C3 February 1956	13.3 °C	2,214 mm	41	76
1955	35.1 °C2 August 1955	-6.3 °C17 February 1955	14.3 °C	2,222 mm	49	47
1954	34.4 °C17 August 1954	-6.8 °C27 January 1954	13.9 °C	1,941 mm	41	58
1953	34.6 °C10 August 1953	-6.0 °C9 February 1953	13.5 °C	2,653 mm	23	55
1952	33.0 °C16 July 1952	-7.7 °C13 January 1952	12.1 °C	2,441 mm	16	93
1951	35.6 °C19 August 1951	-11.0 °C16 January 1951	12.6 °C	1,686 mm	37	80
1950	34.1 °C22 July 1950	-9.1 °C22 February 1950	13.1 °C	1,913 mm	45	89
1949	33.2 °C30 August 1949	-8.1 °C17 January 1949	12.7 °C	2,013 mm	31	81
1948	31.9 °C2 September 1948	-8.4 °C1 February 1948	13.1 °C	2,187 mm	17	74
1947	33.5 °C14 August 1947	-14.3 °C29 January 1947	11.6 °C	2,081 mm	35	103
1946	33.9 °C29 July 1946	-9.3 °C11 February 1946	12.8 °C	1,798 mm	39	95
1945	32.5 °C6 August 1945	-10.9 °C30 January 1945	11.9 °C	2,726 mm	19	99
1944	32.4 °C2 August 1944	-10.3 °C9 January 1944	12.7 °C	1,825 mm	24	97
1943	32.6 °C30 August 1943	-12.4 °C10 January 1943	12.3 °C	1,742 mm	28	97
1942	34.3 °C19 July 1942	-12.1 °C14 February 1942	12.7 °C	1,571 mm	51	88
1941	32.3 °C23 August 1941	-10.9 °C9 February 1941	12.3 °C	1,994 mm	16	95
1940	33.8 °C14 July 1940	-9.4 °C10 February 1940	12.1 °C	1,761 mm	20	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

20.0 °C

+1.8 °C

Hot days (≥ 30 °C)

82 d/yr

+41

Frost days (< 0 °C)

45 d/yr

-15

Annual rainfall

2212 mm

-6 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	7.2 °C	+1.9 °C	180 mm	+15 mm
Feb	5.0 °C	-1.0 °C	133 mm	-1 mm
Mar	12.7 °C	+2.0 °C	157 mm	+9 mm
Apr	18.6 °C	+1.1 °C	118 mm	-21 mm
May	22.8 °C	+0.5 °C	129 mm	-18 mm
Jun	27.9 °C	+2.3 °C	211 mm	-8 mm
Jul	34.5 °C	+5.1 °C	37 mm	-258 mm
Aug	33.3 °C	+2.3 °C	312 mm	+99 mm
Sep	29.4 °C	+3.2 °C	310 mm	+55 mm
Oct	21.4 °C	+1.0 °C	273 mm	+106 mm
Nov	15.5 °C	+0.8 °C	124 mm	-33 mm
Dec	10.9 °C	+2.1 °C	230 mm	+48 mm

The year's extremes

Hottest day

38.1 °C

4 Aug 2025

Coldest day

-6.0 °C

12 Feb 2025

Wettest day

86.9 mm

10 Aug 2025

Windiest day

32.6 km/h

21 Mar 2025

Strongest gust

80.6 km/h

15 Apr 2025

Hottest feels-like

43.1 °C

25 Jul 2025

Coldest feels-like

-10.0 °C

12 Feb 2025

Snowiest day

10.7 cm

26 Dec 2025

Sunniest day

14.0 h

28 May 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 Himimachi?

Himimachi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.9 °C and it receives 2,218 mm of precipitation per year.

What is the hottest day ever recorded in Himimachi?

The hottest day measured in Himimachi between 1940 and 2025 was 14 August 1994, reaching 39.8 °C.

What is the coldest day in Himimachi?

The coldest day measured in Himimachi between 1940 and 2025 was 29 January 1947, at -14.3 °C.

Does it snow in Himimachi?

Yes. Himimachi gets on average 122.0 cm of snow per year and has around 60 frost days.

Has the climate of Himimachi warmed?

Yes: Himimachi warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Himimachi?

The wettest day measured in Himimachi between 1940 and 2025 was 12 July 1972, with 170 mm of rain in 24 hours.

What was the windiest day in Himimachi?

The windiest day measured in Himimachi between 1940 and 2025 was 16 September 1961, with winds reaching 62.6 km/h.

What is the warmest month in Himimachi?

The warmest month in Himimachi is August (26.7 °C on average); the coldest is January (1.9 °C).

How much does it rain in Himimachi?

Himimachi receives on average 2,218 mm of precipitation per year, spread over about 215 rainy days.

Is it sunny in Himimachi?

Himimachi gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

What is the biggest single-day snowfall in Himimachi?

The heaviest 24-hour snowfall measured in Himimachi between 1940 and 2025 was 12 March 1969, with 22.8 cm.

Are there tropical nights in Himimachi?

Yes: Himimachi has on average 68 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Himimachi?

In Himimachi, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 10 August 2023, and the lowest was -19.3 °C on 29 January 1947.

Compare Himimachi with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Himimachi

Other cities — Japan

All cities in Japan →