Ibusuki climate — normals and trends

Q: What is the climate of Ibusuki?

Ibusuki has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 2,128 mm of precipitation per year.

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

The hottest day measured in Ibusuki between 1940 and 2025 was 22 August 2016, reaching 34.3 °C.

Q: What is the coldest day in Ibusuki?

The coldest day measured in Ibusuki between 1940 and 2025 was 25 January 2016, at -2.2 °C.

Q: Does it snow in Ibusuki?

Almost never: Ibusuki sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Ibusuki warmed?

Yes: Ibusuki warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ibusuki?

The wettest day measured in Ibusuki between 1940 and 2025 was 19 August 1946, with 293 mm of rain in 24 hours.

Q: What was the windiest day in Ibusuki?

The windiest day measured in Ibusuki between 1940 and 2025 was 29 September 1955, with winds reaching 78.1 km/h.

Q: What is the warmest month in Ibusuki?

The warmest month in Ibusuki is August (27.2 °C on average); the coldest is January (8.7 °C).

Q: How much does it rain in Ibusuki?

Ibusuki receives on average 2,128 mm of precipitation per year, spread over about 158 rainy days.

Q: Is it sunny in Ibusuki?

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

Ibusuki (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 2,128 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 (27.2 °C on average) and the coldest is January (8.7 °C). Rainfall peaks in June.

Ibusuki averages 1 frost days, 25 hot days (≥ 30 °C) and 158 rainy days per year.

Ibusuki has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.3 °C (on 22 August 2016) and the coldest -2.2 °C (on 25 January 2016).

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

IbusukiKagoshima

coords: 31.23°, 130.65°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

18.1°C

Average daily high

20.9°C

Average daily low

15.5°C

Annual rainfall

2,128mm

Sunshine / day

8.5h

Mean relative humidity

76%

Average peak wind

19.7km/h

Seasonal range

18.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

25 d/yr

Rainy days (≥ 1 mm)

158 d/yr

Annual snowfall

0.2 cm

Average feels-like high

21.4 °C

Average feels-like low

15.0 °C

Average peak gust

42.1 km/h

Tropical nights (≥ 20 °C)

123 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.67 · 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

34.3 °C

22 August 2016

Coldest day

-2.2 °C

25 January 2016

Wettest day

293 mm

19 August 1946

Windiest day

78.1 km/h

29 September 1955

Strongest gust

180.0 km/h

14 October 1951

Hottest feels-like

43.1 °C

17 August 2020

Coldest feels-like

-8.5 °C

26 February 1981

Snowiest day

2.5 cm

2 January 1977

Sunniest day

13.7 h

9 June 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	32.7 °C7 July 2025	0.3 °C9 February 2025	19.0 °C	1,882 mm	68	0
2024	34.2 °C8 August 2024	2.9 °C24 January 2024	20.0 °C	2,710 mm	70	0
2023	32.6 °C14 August 2023	-1.4 °C25 January 2023	19.3 °C	2,528 mm	45	1
2022	32.3 °C11 August 2022	2.8 °C21 February 2022	19.0 °C	2,268 mm	58	0
2021	32.0 °C30 July 2021	-0.6 °C9 January 2021	19.1 °C	2,337 mm	34	2
2020	33.9 °C17 August 2020	1.8 °C31 December 2020	19.0 °C	2,687 mm	38	0
2019	31.6 °C29 July 2019	2.4 °C27 January 2019	19.2 °C	2,014 mm	34	0
2018	32.5 °C8 August 2018	-0.8 °C27 January 2018	18.8 °C	2,489 mm	39	1
2017	33.7 °C30 August 2017	0.5 °C25 January 2017	18.5 °C	2,437 mm	53	0
2016	34.3 °C22 August 2016	-2.2 °C25 January 2016	19.4 °C	2,702 mm	49	2
2015	32.4 °C10 August 2015	1.6 °C18 January 2015	18.7 °C	2,958 mm	22	0
2014	32.9 °C26 July 2014	2.7 °C22 January 2014	18.4 °C	2,584 mm	17	0
2013	33.9 °C3 August 2013	1.1 °C4 January 2013	18.9 °C	1,521 mm	58	0
2012	31.6 °C28 July 2012	-1.1 °C3 February 2012	18.1 °C	2,716 mm	12	2
2011	32.2 °C1 September 2011	-0.3 °C16 January 2011	18.2 °C	2,186 mm	19	1
2010	31.5 °C18 August 2010	1.9 °C31 December 2010	18.8 °C	2,445 mm	34	0
2009	32.4 °C8 September 2009	1.7 °C24 January 2009	18.8 °C	1,750 mm	29	0
2008	32.9 °C3 August 2008	1.2 °C18 February 2008	18.6 °C	2,143 mm	36	0
2007	34.0 °C30 July 2007	0.8 °C3 February 2007	19.2 °C	1,929 mm	42	0
2006	33.4 °C17 August 2006	1.3 °C8 January 2006	19.0 °C	1,886 mm	44	0
2005	32.5 °C26 July 2005	0.2 °C27 February 2005	18.2 °C	1,810 mm	32	0
2004	33.6 °C30 July 2004	0.6 °C22 January 2004	19.0 °C	2,147 mm	41	0
2003	32.4 °C6 September 2003	2.1 °C6 January 2003	18.8 °C	2,160 mm	38	0
2002	32.9 °C18 August 2002	2.6 °C20 February 2002	18.8 °C	2,112 mm	18	0
2001	32.2 °C26 July 2001	0.6 °C15 January 2001	18.7 °C	2,170 mm	44	0
2000	32.7 °C12 August 2000	1.4 °C9 February 2000	18.7 °C	2,121 mm	20	0
1999	30.9 °C15 September 1999	0.9 °C4 February 1999	18.7 °C	2,515 mm	9	0
1998	33.6 °C12 August 1998	-0.1 °C25 January 1998	19.7 °C	2,554 mm	49	1
1997	32.4 °C2 September 1997	1.4 °C22 January 1997	18.5 °C	1,960 mm	18	0
1996	31.7 °C23 July 1996	0.4 °C11 February 1996	18.1 °C	1,959 mm	28	0
1995	32.0 °C7 September 1995	0.2 °C31 January 1995	17.9 °C	2,014 mm	48	0
1994	33.5 °C15 July 1994	0.9 °C24 January 1994	18.9 °C	1,760 mm	59	0
1993	30.6 °C13 July 1993	1.1 °C25 February 1993	18.0 °C	2,960 mm	8	0
1992	32.4 °C23 July 1992	1.9 °C2 February 1992	18.2 °C	2,258 mm	21	0
1991	32.4 °C23 July 1991	0.2 °C22 February 1991	18.5 °C	2,383 mm	32	0
1990	32.6 °C7 August 1990	-1.1 °C24 January 1990	18.8 °C	2,618 mm	44	2
1989	30.8 °C13 August 1989	1.7 °C28 January 1989	18.4 °C	2,061 mm	9	0
1988	31.7 °C12 July 1988	1.4 °C4 February 1988	18.1 °C	1,765 mm	24	0
1987	31.3 °C5 August 1987	1.2 °C26 January 1987	18.4 °C	2,312 mm	24	0
1986	31.8 °C21 July 1986	-0.1 °C25 February 1986	17.7 °C	1,456 mm	31	1
1985	31.0 °C28 August 1985	-1.1 °C15 January 1985	18.1 °C	1,898 mm	9	3
1984	32.4 °C9 August 1984	-0.8 °C4 February 1984	17.7 °C	1,773 mm	30	3
1983	33.1 °C4 August 1983	-0.9 °C23 January 1983	18.1 °C	2,518 mm	26	1
1982	31.3 °C1 August 1982	-1.1 °C30 January 1982	18.0 °C	2,208 mm	9	1
1981	32.4 °C21 August 1981	-2.1 °C27 February 1981	17.7 °C	1,697 mm	24	2
1980	31.0 °C23 July 1980	-0.3 °C6 February 1980	17.8 °C	2,261 mm	11	1
1979	32.3 °C12 August 1979	2.7 °C1 February 1979	18.0 °C	2,295 mm	17	0
1978	31.7 °C21 July 1978	0.5 °C17 February 1978	18.1 °C	1,945 mm	17	0
1977	31.9 °C8 August 1977	-1.1 °C16 February 1977	18.1 °C	1,857 mm	23	4
1976	31.6 °C14 August 1976	-1.8 °C24 January 1976	17.6 °C	2,468 mm	14	2
1975	31.8 °C23 August 1975	1.4 °C21 February 1975	17.9 °C	2,490 mm	14	0
1974	32.0 °C15 August 1974	-0.7 °C28 February 1974	17.7 °C	2,128 mm	11	2
1973	31.8 °C22 July 1973	0.5 °C25 December 1973	17.8 °C	2,179 mm	10	0
1972	30.7 °C23 July 1972	2.4 °C1 March 1972	18.1 °C	2,567 mm	6	0
1971	31.9 °C5 July 1971	0.9 °C5 January 1971	17.9 °C	2,315 mm	33	0
1970	32.1 °C8 August 1970	-0.5 °C5 January 1970	17.5 °C	2,409 mm	17	2
1969	33.0 °C12 August 1969	-0.6 °C16 January 1969	17.8 °C	2,225 mm	29	2
1968	32.3 °C11 August 1968	-0.6 °C12 February 1968	17.4 °C	2,474 mm	9	1
1967	33.1 °C16 August 1967	-0.9 °C16 January 1967	17.9 °C	1,796 mm	44	4
1966	32.9 °C7 August 1966	0.4 °C20 January 1966	17.7 °C	2,297 mm	15	0
1965	30.6 °C15 August 1965	0.1 °C4 February 1965	16.9 °C	2,061 mm	7	0
1964	32.3 °C6 September 1964	0.8 °C14 February 1964	18.5 °C	2,519 mm	34	0
1963	31.5 °C22 July 1963	0.4 °C14 January 1963	17.7 °C	1,655 mm	21	0
1962	31.4 °C5 August 1962	1.2 °C1 February 1962	17.5 °C	2,168 mm	17	0
1961	31.5 °C11 July 1961	-0.1 °C13 January 1961	18.3 °C	2,176 mm	38	1
1960	32.6 °C11 August 1960	-1.3 °C25 January 1960	18.1 °C	1,771 mm	24	1
1959	31.7 °C26 July 1959	-0.1 °C7 January 1959	18.3 °C	2,533 mm	37	2
1958	33.3 °C22 July 1958	0.3 °C4 January 1958	18.2 °C	1,691 mm	33	0
1957	30.7 °C20 July 1957	-0.2 °C12 February 1957	17.5 °C	2,325 mm	17	1
1956	32.3 °C4 August 1956	0.5 °C13 March 1956	17.5 °C	1,972 mm	29	0
1955	31.3 °C19 July 1955	-0.5 °C7 January 1955	18.0 °C	2,155 mm	21	2
1954	32.5 °C10 August 1954	0.6 °C30 January 1954	18.2 °C	2,413 mm	15	0
1953	32.9 °C23 August 1953	0.1 °C2 February 1953	17.9 °C	2,049 mm	31	0
1952	32.6 °C3 August 1952	0.1 °C6 February 1952	17.9 °C	2,171 mm	6	0
1951	31.0 °C29 July 1951	0.2 °C14 January 1951	17.5 °C	2,093 mm	13	0
1950	29.2 °C23 August 1950	1.2 °C28 February 1950	17.6 °C	1,932 mm	0	0
1949	29.6 °C24 August 1949	1.5 °C17 January 1949	17.4 °C	2,307 mm	0	0
1948	30.3 °C4 September 1948	1.8 °C24 February 1948	17.8 °C	1,889 mm	3	0
1947	31.1 °C3 September 1947	0.2 °C16 February 1947	16.6 °C	1,237 mm	12	0
1946	31.8 °C15 July 1946	1.0 °C11 January 1946	17.7 °C	1,503 mm	9	0
1945	31.2 °C11 August 1945	0.9 °C17 January 1945	17.0 °C	2,046 mm	4	0
1944	29.9 °C5 September 1944	0.5 °C16 February 1944	17.2 °C	1,579 mm	0	0
1943	30.6 °C16 August 1943	0.2 °C1 February 1943	16.9 °C	1,287 mm	1	0
1942	33.5 °C31 July 1942	-1.3 °C13 February 1942	17.3 °C	1,571 mm	27	3
1941	30.0 °C28 July 1941	-0.8 °C1 February 1941	17.3 °C	1,610 mm	1	1
1940	30.8 °C26 July 1940	0.6 °C9 February 1940	16.7 °C	1,209 mm	2	0

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

22.1 °C

+1.2 °C

Hot days (≥ 30 °C)

68 d/yr

+43

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1882 mm

-246 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.2 °C	+0.4 °C	46 mm	-31 mm
Feb	11.5 °C	-1.3 °C	72 mm	-30 mm
Mar	16.9 °C	+1.1 °C	160 mm	+3 mm
Apr	20.1 °C	+0.4 °C	165 mm	-30 mm
May	22.9 °C	0.0 °C	365 mm	+126 mm
Jun	27.9 °C	+2.5 °C	220 mm	-188 mm
Jul	29.8 °C	+0.9 °C	169 mm	-60 mm
Aug	30.7 °C	+1.1 °C	199 mm	-7 mm
Sep	30.0 °C	+2.3 °C	186 mm	-20 mm
Oct	26.6 °C	+3.0 °C	153 mm	+23 mm
Nov	19.7 °C	+0.7 °C	63 mm	-38 mm
Dec	15.9 °C	+1.8 °C	84 mm	+6 mm

The year's extremes

Hottest day

32.7 °C

7 Jul 2025

Coldest day

0.3 °C

9 Feb 2025

Wettest day

103.6 mm

21 May 2025

Windiest day

38.8 km/h

13 Apr 2025

Strongest gust

85.0 km/h

14 Apr 2025

Hottest feels-like

39.7 °C

2 Jul 2025

Coldest feels-like

-5.2 °C

8 Feb 2025

Sunniest day

13.5 h

5 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 Ibusuki?

Ibusuki has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 2,128 mm of precipitation per year.

What is the hottest day ever recorded in Ibusuki?

The hottest day measured in Ibusuki between 1940 and 2025 was 22 August 2016, reaching 34.3 °C.

What is the coldest day in Ibusuki?

The coldest day measured in Ibusuki between 1940 and 2025 was 25 January 2016, at -2.2 °C.

Does it snow in Ibusuki?

Almost never: Ibusuki sees virtually no snow, with about 1 frost days per year.

Has the climate of Ibusuki warmed?

Yes: Ibusuki warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ibusuki?

The wettest day measured in Ibusuki between 1940 and 2025 was 19 August 1946, with 293 mm of rain in 24 hours.

What was the windiest day in Ibusuki?

The windiest day measured in Ibusuki between 1940 and 2025 was 29 September 1955, with winds reaching 78.1 km/h.

What is the warmest month in Ibusuki?

The warmest month in Ibusuki is August (27.2 °C on average); the coldest is January (8.7 °C).

How much does it rain in Ibusuki?

Ibusuki receives on average 2,128 mm of precipitation per year, spread over about 158 rainy days.

Is it sunny in Ibusuki?

Ibusuki 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 Ibusuki?

The heaviest 24-hour snowfall measured in Ibusuki between 1940 and 2025 was 2 January 1977, with 2.5 cm.

Are there tropical nights in Ibusuki?

Yes: Ibusuki has on average 123 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ibusuki?

In Ibusuki, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 17 August 2020, and the lowest was -8.5 °C on 26 February 1981.

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