Ikedachō climate — normals and trends

Q: What is the climate of Ikedachō?

Ikedachō has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,772 mm of precipitation per year.

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

The hottest day measured in Ikedachō between 1940 and 2025 was 16 July 1994, reaching 34.5 °C.

Q: What is the coldest day in Ikedachō?

The coldest day measured in Ikedachō between 1940 and 2025 was 19 February 1977, at -13.0 °C.

Q: Does it snow in Ikedachō?

Yes. Ikedachō gets on average 32.1 cm of snow per year and has around 45 frost days.

Q: Has the climate of Ikedachō warmed?

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

Q: What is the wettest day in Ikedachō?

The wettest day measured in Ikedachō between 1940 and 2025 was 20 October 2004, with 199 mm of rain in 24 hours.

Q: What was the windiest day in Ikedachō?

The windiest day measured in Ikedachō between 1940 and 2025 was 27 September 1991, with winds reaching 51.0 km/h.

Q: What is the warmest month in Ikedachō?

The warmest month in Ikedachō is August (25.6 °C on average); the coldest is January (2.8 °C).

Q: How much does it rain in Ikedachō?

Ikedachō receives on average 1,772 mm of precipitation per year, spread over about 162 rainy days.

Q: Is it sunny in Ikedachō?

Ikedachō gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Ikedachō (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 1,772 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 (25.6 °C on average) and the coldest is January (2.8 °C). Rainfall peaks in June.

Ikedachō averages 45 frost days, 25 hot days (≥ 30 °C) and 162 rainy days per year.

Ikedachō has warmed by +2.7 °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 69 to 21 per year over the period.

The hottest day of the period reached 34.5 °C (on 16 July 1994) and the coldest -13.0 °C (on 19 February 1977).

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

IkedachōTokushima

coords: 34.03°, 133.81°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

14.0°C

Average daily high

17.9°C

Average daily low

10.5°C

Annual rainfall

1,772mm

Sunshine / day

8.9h

Mean relative humidity

75%

Average peak wind

11.0km/h

Seasonal range

22.8°C

Frost days (< 0 °C)

45 d/yr

Hot days (≥ 30 °C)

25 d/yr

Rainy days (≥ 1 mm)

162 d/yr

Annual snowfall

32.1 cm

Average feels-like high

17.9 °C

Average feels-like low

9.7 °C

Average peak gust

38.4 km/h

Tropical nights (≥ 20 °C)

74 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.7 °C

since 1940

+0.3 °C per decade · r² = 0.72 · 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

34.5 °C

16 July 1994

Coldest day

-13.0 °C

19 February 1977

Wettest day

199 mm

20 October 2004

Windiest day

51.0 km/h

27 September 1991

Strongest gust

178.9 km/h

4 September 1993

Hottest feels-like

40.8 °C

27 July 2024

Coldest feels-like

-17.3 °C

19 February 1977

Snowiest day

29.9 cm

15 February 1968

Sunniest day

14.0 h

10 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.4 °C30 July 2025	-7.8 °C6 February 2025	14.9 °C	1,503 mm	70	57
2024	34.0 °C2 August 2024	-5.5 °C25 December 2024	16.0 °C	2,059 mm	67	22
2023	33.1 °C28 July 2023	-5.4 °C25 January 2023	15.6 °C	1,839 mm	45	23
2022	32.5 °C29 July 2022	-3.4 °C17 February 2022	15.3 °C	1,448 mm	41	32
2021	33.8 °C5 August 2021	-6.2 °C9 January 2021	15.4 °C	1,913 mm	29	23
2020	33.8 °C16 August 2020	-1.3 °C31 December 2020	15.4 °C	1,952 mm	41	12
2019	33.0 °C2 August 2019	-1.6 °C30 January 2019	15.4 °C	1,689 mm	30	7
2018	34.2 °C24 July 2018	-5.9 °C9 February 2018	15.2 °C	2,060 mm	43	34
2017	33.0 °C23 August 2017	-4.0 °C11 February 2017	14.6 °C	1,906 mm	40	33
2016	33.1 °C22 August 2016	-7.0 °C25 January 2016	15.7 °C	2,032 mm	39	16
2015	33.5 °C31 July 2015	-2.7 °C9 February 2015	15.1 °C	2,301 mm	21	17
2014	33.1 °C25 July 2014	-3.4 °C19 December 2014	14.5 °C	2,001 mm	9	35
2013	33.9 °C12 August 2013	-5.0 °C16 January 2013	15.0 °C	1,919 mm	43	24
2012	32.7 °C31 July 2012	-4.1 °C3 February 2012	14.4 °C	1,924 mm	34	29
2011	32.6 °C9 August 2011	-6.2 °C16 February 2011	14.7 °C	2,263 mm	34	33
2010	33.3 °C18 August 2010	-2.5 °C14 January 2010	15.1 °C	1,869 mm	50	16
2009	31.1 °C8 August 2009	-2.2 °C24 January 2009	15.0 °C	1,560 mm	11	11
2008	33.4 °C1 August 2008	-2.0 °C22 January 2008	14.8 °C	1,663 mm	34	23
2007	32.6 °C17 August 2007	-1.4 °C3 February 2007	15.2 °C	1,289 mm	27	5
2006	33.0 °C9 August 2006	-3.9 °C4 February 2006	14.8 °C	1,897 mm	30	28
2005	31.8 °C20 July 2005	-4.0 °C1 February 2005	14.5 °C	1,394 mm	24	45
2004	32.2 °C28 July 2004	-7.5 °C22 January 2004	15.3 °C	2,601 mm	28	32
2003	32.6 °C22 August 2003	-5.6 °C5 January 2003	14.6 °C	2,096 mm	25	31
2002	32.6 °C16 July 2002	-4.3 °C3 January 2002	15.0 °C	1,279 mm	33	24
2001	33.4 °C4 August 2001	-7.3 °C18 January 2001	14.6 °C	1,734 mm	38	35
2000	33.7 °C22 July 2000	-6.2 °C1 March 2000	14.7 °C	1,674 mm	35	37
1999	32.1 °C9 August 1999	-6.0 °C4 February 1999	14.7 °C	1,713 mm	15	35
1998	34.3 °C16 August 1998	-9.1 °C30 January 1998	15.7 °C	1,951 mm	36	25
1997	31.9 °C2 September 1997	-6.2 °C31 January 1997	14.4 °C	1,590 mm	22	49
1996	33.2 °C3 August 1996	-8.4 °C3 February 1996	13.9 °C	1,490 mm	33	57
1995	34.0 °C19 August 1995	-5.2 °C31 December 1995	14.1 °C	1,421 mm	44	42
1994	34.5 °C16 July 1994	-5.5 °C31 January 1994	15.2 °C	1,190 mm	59	35
1993	30.8 °C26 August 1993	-7.9 °C3 February 1993	14.1 °C	2,190 mm	5	27
1992	32.1 °C29 July 1992	-3.7 °C2 February 1992	14.4 °C	1,646 mm	19	22
1991	33.2 °C22 July 1991	-9.9 °C26 February 1991	14.7 °C	1,861 mm	26	31
1990	33.2 °C10 August 1990	-6.8 °C28 January 1990	15.2 °C	2,218 mm	48	22
1989	31.4 °C20 August 1989	-1.9 °C10 March 1989	14.6 °C	1,960 mm	10	17
1988	31.3 °C10 July 1988	-4.0 °C4 February 1988	13.8 °C	1,626 mm	7	38
1987	31.4 °C30 August 1987	-5.0 °C14 January 1987	14.4 °C	1,866 mm	19	40
1986	32.0 °C20 August 1986	-6.4 °C1 March 1986	13.7 °C	1,325 mm	28	63
1985	32.5 °C31 July 1985	-8.5 °C31 January 1985	14.1 °C	1,690 mm	28	50
1984	32.4 °C9 August 1984	-8.4 °C8 February 1984	13.4 °C	1,413 mm	34	83
1983	32.9 °C4 August 1983	-5.5 °C14 February 1983	14.3 °C	1,577 mm	32	43
1982	30.2 °C25 August 1982	-7.4 °C9 February 1982	13.9 °C	2,035 mm	3	44
1981	31.9 °C19 July 1981	-8.9 °C26 February 1981	13.4 °C	1,467 mm	20	66
1980	31.6 °C21 July 1980	-8.4 °C10 February 1980	13.3 °C	2,332 mm	4	66
1979	32.7 °C31 July 1979	-5.5 °C26 December 1979	14.2 °C	1,988 mm	24	33
1978	32.2 °C6 July 1978	-7.8 °C17 February 1978	14.2 °C	1,434 mm	40	58
1977	32.4 °C14 July 1977	-13.0 °C19 February 1977	14.1 °C	1,889 mm	22	59
1976	32.6 °C14 August 1976	-7.2 °C13 January 1976	13.4 °C	2,429 mm	11	53
1975	31.8 °C3 August 1975	-7.8 °C21 January 1975	14.0 °C	2,248 mm	22	50
1974	31.4 °C4 August 1974	-6.3 °C10 February 1974	13.6 °C	1,860 mm	14	46
1973	32.0 °C10 August 1973	-5.9 °C25 December 1973	13.8 °C	1,633 mm	30	48
1972	32.4 °C3 August 1972	-5.5 °C2 March 1972	13.9 °C	2,274 mm	18	48
1971	33.0 °C3 July 1971	-7.4 °C11 February 1971	13.7 °C	1,902 mm	21	54
1970	32.5 °C23 July 1970	-8.8 °C7 February 1970	13.5 °C	2,155 mm	23	69
1969	33.6 °C13 August 1969	-6.9 °C10 January 1969	13.6 °C	1,545 mm	33	57
1968	32.2 °C23 July 1968	-8.5 °C12 February 1968	13.3 °C	1,815 mm	14	70
1967	32.8 °C17 August 1967	-10.3 °C31 December 1967	13.7 °C	1,625 mm	44	67
1966	32.0 °C9 August 1966	-5.8 °C28 January 1966	13.0 °C	1,982 mm	11	50
1965	30.7 °C5 August 1965	-7.0 °C13 January 1965	12.4 °C	1,909 mm	2	68
1964	32.4 °C14 August 1964	-7.2 °C29 February 1964	14.4 °C	1,725 mm	38	44
1963	32.5 °C18 July 1963	-9.5 °C24 January 1963	13.3 °C	2,020 mm	20	71
1962	32.1 °C7 August 1962	-8.1 °C3 February 1962	13.7 °C	1,814 mm	21	58
1961	32.2 °C14 August 1961	-8.4 °C4 February 1961	14.6 °C	1,843 mm	40	53
1960	32.5 °C1 August 1960	-9.9 °C27 January 1960	14.2 °C	1,679 mm	25	41
1959	33.1 °C3 August 1959	-8.9 °C18 January 1959	14.7 °C	2,043 mm	33	39
1958	33.4 °C31 July 1958	-4.8 °C25 January 1958	14.2 °C	1,603 mm	19	40
1957	31.9 °C1 August 1957	-5.7 °C28 February 1957	13.5 °C	2,166 mm	11	56
1956	32.9 °C3 August 1956	-7.8 °C12 January 1956	13.4 °C	1,943 mm	34	68
1955	31.7 °C11 August 1955	-8.2 °C28 January 1955	14.0 °C	1,555 mm	23	45
1954	32.1 °C14 August 1954	-7.2 °C6 February 1954	13.9 °C	1,907 mm	21	41
1953	32.9 °C21 August 1953	-10.8 °C23 February 1953	13.8 °C	1,963 mm	24	46
1952	31.2 °C2 August 1952	-8.0 °C20 February 1952	12.8 °C	1,797 mm	4	50
1951	31.2 °C30 July 1951	-10.3 °C16 February 1951	12.9 °C	1,597 mm	14	57
1950	29.8 °C17 July 1950	-7.4 °C21 February 1950	12.9 °C	1,648 mm	0	59
1949	29.9 °C6 August 1949	-7.5 °C10 January 1949	12.7 °C	1,589 mm	0	53
1948	29.2 °C19 August 1948	-5.7 °C3 January 1948	13.3 °C	1,368 mm	0	48
1947	31.1 °C12 August 1947	-8.9 °C21 February 1947	11.9 °C	1,136 mm	8	77
1946	32.7 °C16 July 1946	-6.5 °C14 January 1946	13.2 °C	1,283 mm	14	73
1945	29.8 °C1 August 1945	-10.9 °C19 January 1945	12.1 °C	2,195 mm	0	88
1944	30.3 °C18 July 1944	-8.2 °C9 January 1944	13.0 °C	1,287 mm	1	70
1943	30.0 °C15 August 1943	-10.1 °C2 February 1943	12.4 °C	1,223 mm	1	78
1942	32.5 °C2 August 1942	-10.1 °C21 January 1942	12.7 °C	1,026 mm	21	74
1941	29.9 °C9 August 1941	-9.2 °C1 February 1941	12.8 °C	1,691 mm	0	60
1940	29.6 °C29 July 1940	-11.6 °C1 February 1940	12.2 °C	1,198 mm	0	79

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

19.2 °C

+1.3 °C

Hot days (≥ 30 °C)

70 d/yr

+45

Frost days (< 0 °C)

57 d/yr

+12

Annual rainfall

1503 mm

-269 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	6.6 °C	+0.2 °C	34 mm	-30 mm
Feb	5.6 °C	-1.7 °C	45 mm	-32 mm
Mar	12.4 °C	+1.1 °C	95 mm	-11 mm
Apr	18.1 °C	+1.0 °C	82 mm	-53 mm
May	21.5 °C	+0.2 °C	230 mm	+70 mm
Jun	26.4 °C	+2.0 °C	274 mm	+11 mm
Jul	31.1 °C	+2.9 °C	107 mm	-139 mm
Aug	31.0 °C	+1.7 °C	164 mm	-28 mm
Sep	28.2 °C	+2.6 °C	159 mm	-72 mm
Oct	22.2 °C	+2.1 °C	229 mm	+82 mm
Nov	15.5 °C	+0.8 °C	36 mm	-53 mm
Dec	10.5 °C	+1.3 °C	50 mm	-14 mm

The year's extremes

Hottest day

33.4 °C

30 Jul 2025

Coldest day

-7.8 °C

6 Feb 2025

Wettest day

65.6 mm

31 Oct 2025

Windiest day

23.5 km/h

7 Jan 2025

Strongest gust

85.3 km/h

10 Aug 2025

Hottest feels-like

39.7 °C

3 Aug 2025

Coldest feels-like

-11.8 °C

6 Feb 2025

Snowiest day

3.9 cm

1 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 Ikedachō?

Ikedachō has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,772 mm of precipitation per year.

What is the hottest day ever recorded in Ikedachō?

The hottest day measured in Ikedachō between 1940 and 2025 was 16 July 1994, reaching 34.5 °C.

What is the coldest day in Ikedachō?

The coldest day measured in Ikedachō between 1940 and 2025 was 19 February 1977, at -13.0 °C.

Does it snow in Ikedachō?

Yes. Ikedachō gets on average 32.1 cm of snow per year and has around 45 frost days.

Has the climate of Ikedachō warmed?

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

What is the wettest day in Ikedachō?

The wettest day measured in Ikedachō between 1940 and 2025 was 20 October 2004, with 199 mm of rain in 24 hours.

What was the windiest day in Ikedachō?

The windiest day measured in Ikedachō between 1940 and 2025 was 27 September 1991, with winds reaching 51.0 km/h.

What is the warmest month in Ikedachō?

The warmest month in Ikedachō is August (25.6 °C on average); the coldest is January (2.8 °C).

How much does it rain in Ikedachō?

Ikedachō receives on average 1,772 mm of precipitation per year, spread over about 162 rainy days.

Is it sunny in Ikedachō?

Ikedachō gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Ikedachō?

The heaviest 24-hour snowfall measured in Ikedachō between 1940 and 2025 was 15 February 1968, with 29.9 cm.

Are there tropical nights in Ikedachō?

Yes: Ikedachō has on average 74 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ikedachō?

In Ikedachō, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 27 July 2024, and the lowest was -17.3 °C on 19 February 1977.

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