Tsukawaki climate — normals and trends

Q: What is the climate of Tsukawaki?

Tsukawaki has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 1,688 mm of precipitation per year.

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

The hottest day measured in Tsukawaki between 1940 and 2025 was 3 August 2024, reaching 36.2 °C.

Q: What is the coldest day in Tsukawaki?

The coldest day measured in Tsukawaki between 1940 and 2025 was 19 February 1977, at -16.9 °C.

Q: Does it snow in Tsukawaki?

Yes. Tsukawaki gets on average 27.4 cm of snow per year and has around 66 frost days.

Q: Has the climate of Tsukawaki warmed?

Yes: Tsukawaki warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Tsukawaki?

The wettest day measured in Tsukawaki between 1940 and 2025 was 17 September 1945, with 249 mm of rain in 24 hours.

Q: What was the windiest day in Tsukawaki?

The windiest day measured in Tsukawaki between 1940 and 2025 was 7 September 2004, with winds reaching 53.4 km/h.

Q: What is the warmest month in Tsukawaki?

The warmest month in Tsukawaki is August (25.0 °C on average); the coldest is January (2.2 °C).

Q: How much does it rain in Tsukawaki?

Tsukawaki receives on average 1,688 mm of precipitation per year, spread over about 152 rainy days.

Q: Is it sunny in Tsukawaki?

Tsukawaki gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.

Tsukawaki (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.7 °C and it receives 1,688 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 (25.0 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in June.

Tsukawaki averages 66 frost days, 28 hot days (≥ 30 °C) and 152 rainy days per year.

Tsukawaki has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.

The number of frost days there went from about 88 to 44 per year over the period.

The hottest day of the period reached 36.2 °C (on 3 August 2024) and the coldest -16.9 °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

TsukawakiOita

coords: 33.28°, 131.16°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

13.7°C

Average daily high

18.3°C

Average daily low

9.7°C

Annual rainfall

1,688mm

Sunshine / day

8.0h

Mean relative humidity

76%

Average peak wind

12.7km/h

Seasonal range

22.8°C

Frost days (< 0 °C)

66 d/yr

Hot days (≥ 30 °C)

28 d/yr

Rainy days (≥ 1 mm)

152 d/yr

Annual snowfall

27.4 cm

Average feels-like high

17.9 °C

Average feels-like low

8.6 °C

Average peak gust

38.4 km/h

Tropical nights (≥ 20 °C)

66 d/yr

Solar radiation

14.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.8 °C

since 1940

+0.3 °C per decade · r² = 0.77 · 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

36.2 °C

3 August 2024

Coldest day

-16.9 °C

19 February 1977

Wettest day

249 mm

17 September 1945

Windiest day

53.4 km/h

7 September 2004

Strongest gust

170.3 km/h

7 September 2004

Hottest feels-like

41.9 °C

3 August 2024

Coldest feels-like

-21.9 °C

19 February 1977

Snowiest day

42.7 cm

15 February 1968

Sunniest day

13.8 h

5 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.6 °C3 August 2025	-8.5 °C9 February 2025	14.8 °C	1,632 mm	67	70
2024	36.2 °C3 August 2024	-4.6 °C23 December 2024	15.9 °C	2,097 mm	68	47
2023	34.2 °C17 July 2023	-8.6 °C25 January 2023	15.4 °C	1,741 mm	46	44
2022	34.6 °C2 August 2022	-4.4 °C19 January 2022	15.0 °C	1,558 mm	47	61
2021	32.8 °C30 July 2021	-7.7 °C8 January 2021	15.1 °C	1,764 mm	23	40
2020	34.7 °C19 August 2020	-3.9 °C31 December 2020	15.0 °C	1,872 mm	35	37
2019	33.8 °C28 July 2019	-3.2 °C3 January 2019	15.1 °C	1,810 mm	33	30
2018	33.5 °C16 July 2018	-7.5 °C8 February 2018	14.9 °C	1,781 mm	44	57
2017	33.8 °C23 August 2017	-4.8 °C25 January 2017	14.5 °C	1,744 mm	41	59
2016	33.7 °C5 July 2016	-8.5 °C24 January 2016	15.4 °C	2,047 mm	43	43
2015	34.4 °C31 July 2015	-4.8 °C1 February 2015	14.7 °C	2,063 mm	25	38
2014	33.8 °C25 July 2014	-5.4 °C21 February 2014	14.3 °C	1,996 mm	14	56
2013	35.5 °C9 August 2013	-6.6 °C18 January 2013	14.9 °C	1,462 mm	49	43
2012	32.6 °C15 August 2012	-6.8 °C3 February 2012	14.1 °C	1,983 mm	30	58
2011	33.2 °C9 July 2011	-7.1 °C16 February 2011	14.5 °C	2,005 mm	38	69
2010	33.4 °C23 August 2010	-5.5 °C11 March 2010	14.8 °C	1,601 mm	51	49
2009	32.7 °C14 July 2009	-4.6 °C24 January 2009	14.8 °C	1,385 mm	19	36
2008	33.5 °C20 July 2008	-4.4 °C18 February 2008	14.5 °C	1,731 mm	37	54
2007	33.3 °C18 August 2007	-4.7 °C3 February 2007	15.1 °C	1,457 mm	43	29
2006	32.9 °C9 August 2006	-4.1 °C8 January 2006	14.6 °C	1,891 mm	39	46
2005	33.5 °C20 July 2005	-8.3 °C2 January 2005	14.3 °C	1,408 mm	34	70
2004	32.8 °C20 July 2004	-8.1 °C18 January 2004	15.0 °C	2,104 mm	42	51
2003	33.3 °C6 August 2003	-4.7 °C6 January 2003	14.6 °C	1,814 mm	24	50
2002	33.1 °C5 August 2002	-3.7 °C28 December 2002	14.8 °C	1,533 mm	34	42
2001	34.2 °C4 August 2001	-12.1 °C17 February 2001	14.4 °C	1,708 mm	42	52
2000	32.9 °C21 July 2000	-7.1 °C22 February 2000	14.5 °C	1,628 mm	38	54
1999	31.8 °C22 August 1999	-8.1 °C14 February 1999	14.4 °C	1,609 mm	16	53
1998	34.0 °C7 July 1998	-11.8 °C25 January 1998	15.4 °C	1,859 mm	49	39
1997	33.1 °C2 September 1997	-6.1 °C10 January 1997	14.4 °C	1,598 mm	30	56
1996	33.2 °C17 July 1996	-7.2 °C23 February 1996	13.8 °C	1,522 mm	30	72
1995	35.1 °C25 August 1995	-4.9 °C31 December 1995	13.7 °C	1,415 mm	47	62
1994	34.6 °C1 August 1994	-8.8 °C24 January 1994	14.7 °C	1,235 mm	61	61
1993	32.1 °C11 July 1993	-4.0 °C22 January 1993	13.6 °C	2,369 mm	11	69
1992	32.9 °C29 July 1992	-4.5 °C2 February 1992	14.1 °C	1,736 mm	26	45
1991	33.1 °C23 July 1991	-12.0 °C25 February 1991	14.3 °C	1,902 mm	27	54
1990	34.1 °C21 July 1990	-11.7 °C24 January 1990	14.9 °C	1,885 mm	59	39
1989	32.3 °C13 August 1989	-3.7 °C10 March 1989	14.3 °C	1,764 mm	20	39
1988	33.1 °C7 July 1988	-5.5 °C4 February 1988	13.5 °C	1,553 mm	16	63
1987	33.7 °C29 August 1987	-9.2 °C3 March 1987	14.1 °C	2,054 mm	26	58
1986	32.5 °C28 July 1986	-8.6 °C12 January 1986	13.4 °C	1,408 mm	24	73
1985	33.2 °C31 July 1985	-10.5 °C15 January 1985	13.8 °C	1,545 mm	26	68
1984	33.6 °C15 July 1984	-11.6 °C10 February 1984	13.1 °C	1,377 mm	33	89
1983	33.0 °C4 August 1983	-7.5 °C23 February 1983	13.9 °C	1,526 mm	26	66
1982	32.6 °C15 August 1982	-10.4 °C31 January 1982	13.6 °C	2,161 mm	10	72
1981	31.9 °C18 August 1981	-13.2 °C23 January 1981	12.8 °C	1,365 mm	29	92
1980	32.8 °C20 July 1980	-12.5 °C19 January 1980	12.6 °C	2,402 mm	8	92
1979	32.7 °C2 August 1979	-8.6 °C26 December 1979	13.8 °C	1,967 mm	26	62
1978	32.8 °C6 July 1978	-9.9 °C23 January 1978	13.7 °C	1,234 mm	36	76
1977	32.9 °C31 July 1977	-16.9 °C19 February 1977	13.5 °C	1,855 mm	21	81
1976	31.6 °C31 July 1976	-10.9 °C24 January 1976	12.9 °C	2,041 mm	23	84
1975	32.4 °C22 July 1975	-13.6 °C24 February 1975	13.7 °C	2,088 mm	25	72
1974	31.5 °C4 August 1974	-9.0 °C14 February 1974	13.1 °C	1,509 mm	18	79
1973	32.5 °C22 July 1973	-5.7 °C24 December 1973	13.4 °C	1,545 mm	31	79
1972	32.5 °C5 August 1972	-8.0 °C2 March 1972	13.5 °C	2,286 mm	19	70
1971	32.6 °C3 July 1971	-9.2 °C31 January 1971	13.4 °C	1,622 mm	31	78
1970	34.3 °C5 August 1970	-6.4 °C18 January 1970	13.2 °C	1,701 mm	30	89
1969	34.0 °C12 August 1969	-9.2 °C16 January 1969	13.4 °C	1,482 mm	42	81
1968	32.4 °C18 July 1968	-11.1 °C10 February 1968	12.9 °C	1,910 mm	22	86
1967	33.6 °C16 August 1967	-11.1 °C18 February 1967	13.4 °C	1,402 mm	49	83
1966	33.6 °C9 August 1966	-6.5 °C20 January 1966	12.8 °C	1,939 mm	22	77
1965	31.9 °C28 July 1965	-7.2 °C18 January 1965	12.1 °C	1,653 mm	15	96
1964	32.5 °C5 July 1964	-10.2 °C29 February 1964	13.9 °C	1,617 mm	42	76
1963	32.4 °C17 July 1963	-12.3 °C10 February 1963	12.8 °C	1,879 mm	22	89
1962	32.9 °C29 July 1962	-9.9 °C1 February 1962	13.1 °C	1,644 mm	20	77
1961	32.8 °C11 August 1961	-10.1 °C4 February 1961	14.0 °C	1,702 mm	41	77
1960	32.2 °C17 July 1960	-11.1 °C30 January 1960	13.5 °C	1,460 mm	26	76
1959	32.7 °C1 September 1959	-11.1 °C20 January 1959	14.0 °C	1,842 mm	32	52
1958	33.3 °C5 September 1958	-5.0 °C25 January 1958	13.8 °C	1,485 mm	35	70
1957	32.5 °C20 July 1957	-7.8 °C23 February 1957	12.9 °C	2,083 mm	13	72
1956	34.2 °C26 July 1956	-10.9 °C13 March 1956	12.8 °C	1,548 mm	34	95
1955	32.6 °C11 July 1955	-11.6 °C12 January 1955	13.4 °C	1,410 mm	20	75
1954	32.0 °C7 August 1954	-9.6 °C9 February 1954	13.5 °C	1,918 mm	21	57
1953	33.5 °C20 August 1953	-10.3 °C10 February 1953	13.3 °C	1,814 mm	28	75
1952	32.4 °C2 August 1952	-6.1 °C6 February 1952	12.8 °C	1,686 mm	11	72
1951	31.9 °C28 July 1951	-7.9 °C18 February 1951	12.7 °C	1,490 mm	23	70
1950	30.9 °C24 June 1950	-8.8 °C18 February 1950	12.7 °C	1,301 mm	5	79
1949	30.7 °C28 July 1949	-8.5 °C10 January 1949	12.5 °C	1,878 mm	2	66
1948	29.8 °C6 August 1948	-8.0 °C19 January 1948	13.1 °C	1,475 mm	0	67
1947	32.0 °C12 August 1947	-12.0 °C21 December 1947	11.5 °C	1,186 mm	13	97
1946	33.9 °C14 July 1946	-5.4 °C10 January 1946	12.9 °C	1,258 mm	26	84
1945	30.3 °C6 August 1945	-11.2 °C29 January 1945	11.9 °C	2,129 mm	4	97
1944	30.9 °C1 September 1944	-5.0 °C9 January 1944	12.6 °C	1,284 mm	2	100
1943	30.4 °C14 August 1943	-6.7 °C12 January 1943	12.2 °C	1,336 mm	1	90
1942	33.1 °C1 August 1942	-10.3 °C19 January 1942	12.5 °C	878 mm	22	86
1941	31.1 °C11 August 1941	-8.8 °C1 February 1941	12.5 °C	1,474 mm	2	82
1940	30.9 °C28 July 1940	-13.1 °C10 February 1940	11.9 °C	1,080 mm	4	95

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

19.7 °C

+1.4 °C

Hot days (≥ 30 °C)

67 d/yr

+39

Frost days (< 0 °C)

70 d/yr

Annual rainfall

1632 mm

-56 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	7.3 °C	+0.7 °C	23 mm	-37 mm
Feb	6.6 °C	-1.3 °C	69 mm	-15 mm
Mar	13.8 °C	+1.6 °C	137 mm	+23 mm
Apr	19.0 °C	+1.1 °C	81 mm	-53 mm
May	22.0 °C	+0.1 °C	291 mm	+127 mm
Jun	26.9 °C	+2.3 °C	338 mm	+53 mm
Jul	30.7 °C	+2.1 °C	74 mm	-154 mm
Aug	30.7 °C	+1.4 °C	186 mm	+11 mm
Sep	28.6 °C	+2.9 °C	251 mm	+50 mm
Oct	23.2 °C	+2.9 °C	97 mm	-17 mm
Nov	16.0 °C	+1.1 °C	28 mm	-46 mm
Dec	11.1 °C	+2.0 °C	58 mm	+2 mm

The year's extremes

Hottest day

33.6 °C

3 Aug 2025

Coldest day

-8.5 °C

9 Feb 2025

Wettest day

86.0 mm

21 May 2025

Windiest day

30.4 km/h

16 Jun 2025

Strongest gust

92.9 km/h

16 Jun 2025

Hottest feels-like

40.0 °C

3 Aug 2025

Coldest feels-like

-13.2 °C

9 Feb 2025

Snowiest day

2.2 cm

19 Mar 2025

Sunniest day

13.8 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 Tsukawaki?

Tsukawaki has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 1,688 mm of precipitation per year.

What is the hottest day ever recorded in Tsukawaki?

The hottest day measured in Tsukawaki between 1940 and 2025 was 3 August 2024, reaching 36.2 °C.

What is the coldest day in Tsukawaki?

The coldest day measured in Tsukawaki between 1940 and 2025 was 19 February 1977, at -16.9 °C.

Does it snow in Tsukawaki?

Yes. Tsukawaki gets on average 27.4 cm of snow per year and has around 66 frost days.

Has the climate of Tsukawaki warmed?

Yes: Tsukawaki warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Tsukawaki?

The wettest day measured in Tsukawaki between 1940 and 2025 was 17 September 1945, with 249 mm of rain in 24 hours.

What was the windiest day in Tsukawaki?

The windiest day measured in Tsukawaki between 1940 and 2025 was 7 September 2004, with winds reaching 53.4 km/h.

What is the warmest month in Tsukawaki?

The warmest month in Tsukawaki is August (25.0 °C on average); the coldest is January (2.2 °C).

How much does it rain in Tsukawaki?

Tsukawaki receives on average 1,688 mm of precipitation per year, spread over about 152 rainy days.

Is it sunny in Tsukawaki?

Tsukawaki gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.

What is the biggest single-day snowfall in Tsukawaki?

The heaviest 24-hour snowfall measured in Tsukawaki between 1940 and 2025 was 15 February 1968, with 42.7 cm.

Are there tropical nights in Tsukawaki?

Yes: Tsukawaki has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Tsukawaki?

In Tsukawaki, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 3 August 2024, and the lowest was -21.9 °C on 19 February 1977.

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