Kobayashi climate — normals and trends

Q: What is the climate of Kobayashi?

Kobayashi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 2,121 mm of precipitation per year.

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

The hottest day measured in Kobayashi between 1940 and 2025 was 17 August 2020, reaching 36.4 °C.

Q: What is the coldest day in Kobayashi?

The coldest day measured in Kobayashi between 1940 and 2025 was 25 January 1998, at -16.4 °C.

Q: Does it snow in Kobayashi?

Yes. Kobayashi gets on average 4.4 cm of snow per year and has around 64 frost days.

Q: Has the climate of Kobayashi warmed?

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

Q: What is the wettest day in Kobayashi?

The wettest day measured in Kobayashi between 1940 and 2025 was 21 June 2012, with 237 mm of rain in 24 hours.

Q: What was the windiest day in Kobayashi?

The windiest day measured in Kobayashi between 1940 and 2025 was 30 August 2004, with winds reaching 56.4 km/h.

Q: What is the warmest month in Kobayashi?

The warmest month in Kobayashi is August (25.2 °C on average); the coldest is January (3.7 °C).

Q: How much does it rain in Kobayashi?

Kobayashi receives on average 2,121 mm of precipitation per year, spread over about 158 rainy days.

Q: Is it sunny in Kobayashi?

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

Kobayashi (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.8 °C and it receives 2,121 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 (25.2 °C on average) and the coldest is January (3.7 °C). Rainfall peaks in June.

Kobayashi averages 64 frost days, 29 hot days (≥ 30 °C) and 158 rainy days per year.

Kobayashi has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.

The number of frost days there went from about 81 to 47 per year over the period.

The hottest day of the period reached 36.4 °C (on 17 August 2020) and the coldest -16.4 °C (on 25 January 1998).

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

KobayashiMiyazaki

coords: 31.98°, 130.98°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

14.8°C

Average daily high

19.7°C

Average daily low

10.4°C

Annual rainfall

2,121mm

Sunshine / day

8.2h

Mean relative humidity

79%

Average peak wind

11.2km/h

Seasonal range

21.5°C

Frost days (< 0 °C)

64 d/yr

Hot days (≥ 30 °C)

29 d/yr

Rainy days (≥ 1 mm)

158 d/yr

Annual snowfall

4.4 cm

Average feels-like high

19.9 °C

Average feels-like low

10.0 °C

Average peak gust

38.1 km/h

Tropical nights (≥ 20 °C)

77 d/yr

Solar radiation

14.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °C

since 1940

+0.3 °C per decade · r² = 0.77 · 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

36.4 °C

17 August 2020

Coldest day

-16.4 °C

25 January 1998

Wettest day

237 mm

21 June 2012

Windiest day

56.4 km/h

30 August 2004

Strongest gust

177.5 km/h

7 September 2004

Hottest feels-like

42.8 °C

18 August 2020

Coldest feels-like

-21.4 °C

25 January 1998

Snowiest day

14.6 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	34.4 °C7 July 2025	-8.0 °C9 February 2025	15.7 °C	1,795 mm	60	64
2024	35.6 °C31 July 2024	-6.2 °C23 December 2024	16.9 °C	2,589 mm	67	51
2023	33.9 °C14 August 2023	-6.4 °C25 January 2023	16.1 °C	2,321 mm	48	55
2022	33.1 °C9 August 2022	-5.1 °C1 January 2022	16.0 °C	2,222 mm	56	56
2021	33.2 °C30 July 2021	-5.7 °C9 January 2021	16.0 °C	2,097 mm	38	48
2020	36.4 °C17 August 2020	-5.4 °C18 December 2020	16.0 °C	2,454 mm	35	43
2019	33.0 °C31 July 2019	-4.9 °C3 January 2019	16.1 °C	2,155 mm	32	33
2018	33.8 °C8 August 2018	-6.6 °C27 January 2018	15.7 °C	2,455 mm	39	53
2017	34.6 °C29 August 2017	-7.9 °C25 January 2017	15.3 °C	2,154 mm	49	61
2016	34.3 °C15 August 2016	-9.0 °C25 January 2016	16.3 °C	2,803 mm	47	50
2015	34.4 °C30 July 2015	-4.8 °C18 January 2015	15.7 °C	2,939 mm	27	45
2014	34.3 °C26 July 2014	-5.1 °C19 December 2014	15.2 °C	2,575 mm	20	53
2013	35.7 °C10 August 2013	-3.8 °C29 January 2013	15.8 °C	1,637 mm	55	46
2012	31.6 °C27 July 2012	-7.2 °C3 February 2012	15.0 °C	2,790 mm	19	56
2011	32.4 °C12 August 2011	-6.4 °C2 January 2011	15.2 °C	2,163 mm	28	69
2010	33.0 °C18 August 2010	-3.2 °C17 January 2010	15.7 °C	2,267 mm	34	43
2009	33.2 °C18 July 2009	-3.2 °C3 January 2009	15.8 °C	1,821 mm	27	34
2008	34.0 °C1 August 2008	-4.1 °C18 February 2008	15.5 °C	2,059 mm	40	54
2007	35.3 °C29 July 2007	-5.2 °C3 February 2007	16.0 °C	1,964 mm	37	35
2006	34.8 °C8 August 2006	-5.0 °C30 December 2006	15.8 °C	2,217 mm	34	45
2005	33.9 °C22 July 2005	-5.1 °C27 February 2005	15.1 °C	1,753 mm	37	67
2004	35.8 °C30 July 2004	-4.5 °C28 January 2004	16.0 °C	2,462 mm	40	50
2003	33.3 °C3 September 2003	-4.1 °C21 December 2003	15.8 °C	2,294 mm	38	47
2002	33.5 °C2 August 2002	-4.4 °C28 December 2002	15.8 °C	1,950 mm	27	39
2001	33.6 °C26 July 2001	-6.0 °C16 January 2001	15.4 °C	2,170 mm	44	47
2000	33.9 °C21 July 2000	-3.9 °C10 February 2000	15.6 °C	2,038 mm	27	44
1999	31.9 °C14 August 1999	-4.2 °C23 December 1999	15.4 °C	2,386 mm	15	54
1998	34.7 °C7 August 1998	-16.4 °C25 January 1998	16.6 °C	2,437 mm	54	42
1997	33.0 °C2 September 1997	-4.7 °C23 January 1997	15.3 °C	2,128 mm	27	54
1996	33.4 °C23 July 1996	-4.8 °C11 February 1996	14.9 °C	1,809 mm	27	67
1995	33.1 °C20 July 1995	-5.4 °C31 January 1995	14.7 °C	1,838 mm	57	64
1994	35.8 °C12 July 1994	-5.6 °C24 January 1994	15.7 °C	1,658 mm	60	63
1993	32.0 °C11 August 1993	-4.9 °C25 February 1993	14.7 °C	3,260 mm	14	68
1992	33.9 °C23 July 1992	-4.6 °C26 December 1992	15.0 °C	2,317 mm	27	49
1991	33.7 °C24 July 1991	-5.8 °C26 February 1991	15.4 °C	2,288 mm	34	49
1990	33.8 °C7 August 1990	-8.9 °C17 January 1990	15.7 °C	2,636 mm	48	49
1989	32.8 °C13 August 1989	-4.3 °C3 February 1989	15.2 °C	2,272 mm	19	51
1988	33.5 °C7 July 1988	-4.6 °C4 February 1988	14.7 °C	1,752 mm	27	68
1987	32.2 °C20 August 1987	-4.7 °C26 January 1987	15.2 °C	2,195 mm	28	60
1986	32.7 °C27 July 1986	-6.7 °C14 January 1986	14.5 °C	1,602 mm	30	78
1985	31.9 °C28 August 1985	-6.3 °C15 January 1985	14.9 °C	1,988 mm	19	68
1984	34.7 °C17 July 1984	-11.7 °C20 January 1984	14.3 °C	1,747 mm	36	83
1983	34.5 °C3 August 1983	-6.6 °C23 January 1983	14.9 °C	2,403 mm	30	75
1982	31.2 °C3 August 1982	-6.7 °C30 January 1982	14.8 °C	2,353 mm	15	66
1981	32.5 °C20 July 1981	-8.9 °C23 January 1981	14.2 °C	1,726 mm	28	81
1980	32.3 °C20 July 1980	-15.7 °C10 February 1980	14.2 °C	2,229 mm	15	85
1979	33.5 °C10 August 1979	-4.4 °C17 January 1979	14.6 °C	2,535 mm	26	58
1978	33.6 °C5 July 1978	-5.7 °C11 January 1978	14.8 °C	1,830 mm	23	54
1977	33.0 °C6 August 1977	-9.8 °C19 February 1977	14.8 °C	1,989 mm	31	75
1976	32.4 °C17 August 1976	-9.1 °C24 January 1976	14.1 °C	2,627 mm	17	76
1975	33.2 °C23 July 1975	-6.5 °C24 February 1975	14.5 °C	2,244 mm	14	68
1974	34.1 °C15 August 1974	-9.6 °C31 January 1974	14.2 °C	1,966 mm	17	77
1973	32.8 °C21 July 1973	-6.5 °C27 December 1973	14.3 °C	2,148 mm	31	75
1972	32.3 °C2 August 1972	-4.7 °C2 April 1972	14.6 °C	2,806 mm	15	56
1971	33.1 °C3 July 1971	-5.5 °C6 January 1971	14.5 °C	2,328 mm	33	74
1970	32.9 °C8 August 1970	-6.8 °C18 January 1970	14.2 °C	2,461 mm	23	79
1969	34.8 °C12 August 1969	-6.4 °C7 February 1969	14.5 °C	2,128 mm	36	72
1968	32.4 °C11 August 1968	-7.3 °C25 February 1968	14.1 °C	2,289 mm	18	75
1967	35.0 °C17 August 1967	-8.3 °C18 January 1967	14.5 °C	1,806 mm	41	76
1966	33.5 °C6 August 1966	-6.1 °C26 January 1966	14.0 °C	2,249 mm	26	61
1965	31.4 °C21 August 1965	-5.6 °C4 February 1965	13.2 °C	1,994 mm	15	75
1964	32.9 °C6 September 1964	-6.2 °C26 February 1964	15.0 °C	2,414 mm	40	73
1963	32.6 °C15 July 1963	-8.1 °C4 February 1963	14.1 °C	1,659 mm	25	83
1962	32.4 °C6 August 1962	-5.0 °C2 February 1962	13.9 °C	2,071 mm	25	83
1961	33.3 °C14 July 1961	-7.5 °C19 January 1961	14.9 °C	2,047 mm	38	80
1960	34.1 °C16 July 1960	-7.6 °C30 January 1960	14.5 °C	1,895 mm	31	77
1959	32.9 °C27 August 1959	-7.0 °C20 January 1959	14.9 °C	2,506 mm	40	50
1958	33.4 °C22 July 1958	-6.0 °C25 January 1958	14.6 °C	1,770 mm	39	73
1957	32.5 °C1 August 1957	-7.5 °C22 January 1957	14.0 °C	2,520 mm	25	74
1956	34.2 °C6 August 1956	-7.9 °C13 March 1956	14.0 °C	2,022 mm	38	93
1955	32.1 °C9 August 1955	-6.9 °C12 January 1955	14.4 °C	1,969 mm	27	83
1954	33.2 °C11 August 1954	-5.1 °C27 January 1954	14.6 °C	2,453 mm	18	66
1953	34.4 °C23 August 1953	-6.6 °C17 January 1953	14.3 °C	2,174 mm	36	74
1952	33.5 °C2 August 1952	-6.7 °C6 February 1952	14.2 °C	1,895 mm	14	59
1951	32.4 °C27 July 1951	-4.9 °C14 January 1951	13.9 °C	2,100 mm	24	61
1950	30.9 °C7 July 1950	-4.0 °C28 December 1950	13.9 °C	1,931 mm	1	67
1949	30.6 °C2 August 1949	-4.2 °C17 January 1949	13.7 °C	2,354 mm	1	55
1948	30.8 °C6 August 1948	-4.1 °C4 January 1948	14.2 °C	1,901 mm	6	64
1947	32.3 °C12 August 1947	-5.7 °C5 February 1947	13.0 °C	1,333 mm	22	88
1946	35.5 °C15 July 1946	-4.7 °C6 January 1946	14.2 °C	1,543 mm	21	65
1945	31.4 °C4 July 1945	-5.6 °C28 January 1945	13.2 °C	2,208 mm	8	85
1944	30.9 °C18 July 1944	-4.0 °C2 January 1944	13.7 °C	1,590 mm	7	86
1943	30.1 °C16 August 1943	-5.6 °C1 February 1943	13.3 °C	1,345 mm	2	87
1942	34.6 °C31 July 1942	-7.0 °C19 January 1942	13.7 °C	1,259 mm	30	74
1941	30.6 °C1 August 1941	-7.2 °C2 February 1941	13.7 °C	1,606 mm	4	69
1940	32.1 °C26 July 1940	-8.4 °C5 February 1940	13.0 °C	1,263 mm	5	88

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

21.0 °C

+1.3 °C

Hot days (≥ 30 °C)

60 d/yr

+31

Frost days (< 0 °C)

64 d/yr

Annual rainfall

1795 mm

-326 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.8 °C	+0.7 °C	29 mm	-36 mm
Feb	9.2 °C	-1.4 °C	63 mm	-35 mm
Mar	15.6 °C	+1.3 °C	146 mm	-3 mm
Apr	19.9 °C	+0.8 °C	162 mm	-29 mm
May	22.7 °C	+0.2 °C	318 mm	+85 mm
Jun	27.8 °C	+2.9 °C	292 mm	-117 mm
Jul	29.7 °C	+0.9 °C	176 mm	-86 mm
Aug	31.0 °C	+1.7 °C	213 mm	-9 mm
Sep	29.6 °C	+2.8 °C	153 mm	-63 mm
Oct	25.3 °C	+3.1 °C	143 mm	+20 mm
Nov	17.6 °C	+0.6 °C	39 mm	-50 mm
Dec	13.6 °C	+2.2 °C	60 mm	-3 mm

The year's extremes

Hottest day

34.4 °C

7 Jul 2025

Coldest day

-8.0 °C

9 Feb 2025

Wettest day

80.5 mm

9 Jun 2025

Windiest day

25.9 km/h

4 Feb 2025

Strongest gust

93.6 km/h

16 Jun 2025

Hottest feels-like

40.5 °C

2 Jul 2025

Coldest feels-like

-12.0 °C

9 Feb 2025

Snowiest day

0.6 cm

12 Jan 2025

Sunniest day

13.7 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 Kobayashi?

Kobayashi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 2,121 mm of precipitation per year.

What is the hottest day ever recorded in Kobayashi?

The hottest day measured in Kobayashi between 1940 and 2025 was 17 August 2020, reaching 36.4 °C.

What is the coldest day in Kobayashi?

The coldest day measured in Kobayashi between 1940 and 2025 was 25 January 1998, at -16.4 °C.

Does it snow in Kobayashi?

Yes. Kobayashi gets on average 4.4 cm of snow per year and has around 64 frost days.

Has the climate of Kobayashi warmed?

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

What is the wettest day in Kobayashi?

The wettest day measured in Kobayashi between 1940 and 2025 was 21 June 2012, with 237 mm of rain in 24 hours.

What was the windiest day in Kobayashi?

The windiest day measured in Kobayashi between 1940 and 2025 was 30 August 2004, with winds reaching 56.4 km/h.

What is the warmest month in Kobayashi?

The warmest month in Kobayashi is August (25.2 °C on average); the coldest is January (3.7 °C).

How much does it rain in Kobayashi?

Kobayashi receives on average 2,121 mm of precipitation per year, spread over about 158 rainy days.

Is it sunny in Kobayashi?

Kobayashi 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 Kobayashi?

The heaviest 24-hour snowfall measured in Kobayashi between 1940 and 2025 was 23 January 1998, with 14.6 cm.

Are there tropical nights in Kobayashi?

Yes: Kobayashi has on average 77 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Kobayashi?

In Kobayashi, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 18 August 2020, and the lowest was -21.4 °C on 25 January 1998.

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