Honjō climate — normals and trends

Q: What is the climate of Honjō?

Honjō has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 2,148 mm of precipitation per year.

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

The hottest day measured in Honjō between 1940 and 2025 was 8 August 2013, reaching 35.7 °C.

Q: What is the coldest day in Honjō?

The coldest day measured in Honjō between 1940 and 2025 was 25 January 1998, at -10.2 °C.

Q: Does it snow in Honjō?

Yes. Honjō gets on average 2.6 cm of snow per year and has around 27 frost days.

Q: Has the climate of Honjō warmed?

Yes: Honjō warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Honjō?

The wettest day measured in Honjō between 1940 and 2025 was 18 September 2022, with 260 mm of rain in 24 hours.

Q: What was the windiest day in Honjō?

The windiest day measured in Honjō between 1940 and 2025 was 30 August 2004, with winds reaching 70.8 km/h.

Q: What is the warmest month in Honjō?

The warmest month in Honjō is August (25.8 °C on average); the coldest is January (5.3 °C).

Q: How much does it rain in Honjō?

Honjō receives on average 2,148 mm of precipitation per year, spread over about 154 rainy days.

Q: Is it sunny in Honjō?

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

Honjō (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 2,148 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 (25.8 °C on average) and the coldest is January (5.3 °C). Rainfall peaks in June.

Honjō averages 27 frost days, 28 hot days (≥ 30 °C) and 154 rainy days per year.

Honjō has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The number of frost days there went from about 40 to 14 per year over the period.

The hottest day of the period reached 35.7 °C (on 8 August 2013) and the coldest -10.2 °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

HonjōMiyazaki

coords: 31.98°, 131.33°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

15.8°C

Average daily high

20.0°C

Average daily low

12.1°C

Annual rainfall

2,148mm

Sunshine / day

8.2h

Mean relative humidity

77%

Average peak wind

13.2km/h

Seasonal range

20.5°C

Frost days (< 0 °C)

27 d/yr

Hot days (≥ 30 °C)

28 d/yr

Rainy days (≥ 1 mm)

154 d/yr

Annual snowfall

2.6 cm

Average feels-like high

20.3 °C

Average feels-like low

11.7 °C

Average peak gust

34.6 km/h

Tropical nights (≥ 20 °C)

92 d/yr

Solar radiation

14.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.74 · 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

35.7 °C

8 August 2013

Coldest day

-10.2 °C

25 January 1998

Wettest day

260 mm

18 September 2022

Windiest day

70.8 km/h

30 August 2004

Strongest gust

166.7 km/h

30 August 2004

Hottest feels-like

42.2 °C

31 July 2024

Coldest feels-like

-15.3 °C

25 January 1998

Snowiest day

10.4 cm

23 January 1998

Sunniest day

13.8 h

8 June 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.8 °C6 July 2025	-5.2 °C9 February 2025	16.8 °C	1,778 mm	63	34
2024	35.6 °C31 July 2024	-3.0 °C23 December 2024	17.8 °C	2,490 mm	62	14
2023	34.0 °C14 August 2023	-5.0 °C25 January 2023	17.1 °C	2,331 mm	42	19
2022	33.4 °C4 August 2022	-2.7 °C1 January 2022	16.9 °C	2,319 mm	57	15
2021	32.9 °C27 August 2021	-3.7 °C9 January 2021	16.9 °C	2,183 mm	39	16
2020	35.1 °C14 August 2020	-2.3 °C20 December 2020	17.0 °C	2,249 mm	41	13
2019	32.5 °C11 September 2019	-1.9 °C3 January 2019	17.1 °C	2,181 mm	27	10
2018	32.5 °C24 July 2018	-4.4 °C13 January 2018	16.7 °C	2,572 mm	36	28
2017	34.3 °C8 August 2017	-4.6 °C25 January 2017	16.3 °C	2,274 mm	49	27
2016	33.9 °C15 August 2016	-6.1 °C25 January 2016	17.3 °C	2,696 mm	40	14
2015	34.0 °C30 July 2015	-2.1 °C18 January 2015	16.6 °C	2,819 mm	26	18
2014	34.9 °C26 July 2014	-2.0 °C19 December 2014	16.2 °C	2,670 mm	21	16
2013	35.7 °C8 August 2013	-1.9 °C4 January 2013	16.8 °C	1,694 mm	60	12
2012	31.7 °C13 August 2012	-5.0 °C3 February 2012	16.0 °C	2,821 mm	16	18
2011	32.3 °C12 August 2011	-3.9 °C16 January 2011	16.3 °C	2,148 mm	25	25
2010	32.8 °C1 August 2010	-1.4 °C13 January 2010	16.7 °C	2,235 mm	32	11
2009	33.3 °C18 July 2009	-1.6 °C24 January 2009	16.7 °C	1,798 mm	26	10
2008	34.3 °C3 August 2008	-2.3 °C18 February 2008	16.4 °C	2,059 mm	38	16
2007	35.0 °C29 July 2007	-2.8 °C3 February 2007	17.0 °C	1,954 mm	39	6
2006	34.2 °C8 August 2006	-2.7 °C8 January 2006	16.8 °C	2,008 mm	29	21
2005	34.6 °C26 July 2005	-3.3 °C18 December 2005	16.1 °C	1,744 mm	36	31
2004	35.4 °C30 July 2004	-2.8 °C22 January 2004	17.0 °C	2,606 mm	43	16
2003	32.8 °C3 September 2003	-2.3 °C6 January 2003	16.7 °C	2,525 mm	40	16
2002	34.1 °C2 August 2002	-1.4 °C28 December 2002	16.7 °C	2,008 mm	24	8
2001	33.2 °C10 September 2001	-3.5 °C15 January 2001	16.5 °C	2,216 mm	33	18
2000	33.9 °C21 July 2000	-1.6 °C10 February 2000	16.6 °C	2,117 mm	28	14
1999	32.3 °C14 August 1999	-2.3 °C4 February 1999	16.5 °C	2,515 mm	18	19
1998	35.3 °C18 August 1998	-10.2 °C25 January 1998	17.6 °C	2,436 mm	53	10
1997	32.3 °C3 July 1997	-2.1 °C23 January 1997	16.4 °C	2,077 mm	24	14
1996	33.3 °C20 July 1996	-2.9 °C11 February 1996	15.9 °C	1,817 mm	23	22
1995	33.4 °C20 July 1995	-3.0 °C31 January 1995	15.8 °C	1,702 mm	55	21
1994	34.4 °C12 July 1994	-3.4 °C24 January 1994	16.7 °C	1,695 mm	48	21
1993	32.4 °C11 August 1993	-2.4 °C29 January 1993	15.7 °C	3,084 mm	17	17
1992	33.1 °C31 July 1992	-1.6 °C2 February 1992	16.0 °C	2,400 mm	22	12
1991	34.1 °C24 July 1991	-3.6 °C25 February 1991	16.5 °C	2,305 mm	36	23
1990	33.7 °C4 August 1990	-5.4 °C17 January 1990	16.7 °C	2,670 mm	49	19
1989	32.0 °C9 August 1989	-2.5 °C3 February 1989	16.2 °C	2,380 mm	13	12
1988	33.5 °C10 July 1988	-3.4 °C4 February 1988	15.8 °C	1,777 mm	34	25
1987	32.4 °C20 August 1987	-2.5 °C26 January 1987	16.2 °C	2,159 mm	35	24
1986	32.6 °C22 July 1986	-3.5 °C14 January 1986	15.5 °C	1,531 mm	23	43
1985	31.8 °C10 September 1985	-4.7 °C15 January 1985	15.9 °C	2,075 mm	19	33
1984	33.1 °C16 July 1984	-7.4 °C23 January 1984	15.3 °C	1,943 mm	29	49
1983	34.1 °C2 August 1983	-4.4 °C23 January 1983	15.9 °C	2,340 mm	31	34
1982	31.3 °C16 August 1982	-4.5 °C30 January 1982	15.8 °C	2,359 mm	10	30
1981	31.7 °C9 July 1981	-6.6 °C22 January 1981	15.3 °C	1,723 mm	23	42
1980	32.1 °C19 July 1980	-9.9 °C10 February 1980	15.3 °C	2,201 mm	18	46
1979	32.6 °C14 July 1979	-2.0 °C20 January 1979	15.7 °C	2,593 mm	24	16
1978	33.7 °C5 July 1978	-4.5 °C16 February 1978	15.8 °C	1,965 mm	22	22
1977	33.4 °C8 August 1977	-6.7 °C4 January 1977	15.8 °C	2,015 mm	24	48
1976	32.8 °C14 August 1976	-6.3 °C24 January 1976	15.2 °C	2,492 mm	15	32
1975	32.9 °C23 August 1975	-4.0 °C23 February 1975	15.6 °C	2,291 mm	13	36
1974	32.4 °C15 August 1974	-6.1 °C1 February 1974	15.3 °C	2,027 mm	15	41
1973	32.9 °C21 July 1973	-3.2 °C25 December 1973	15.5 °C	2,173 mm	31	24
1972	32.2 °C2 August 1972	-1.9 °C2 April 1972	15.7 °C	2,784 mm	13	21
1971	33.4 °C3 July 1971	-3.1 °C16 December 1971	15.6 °C	2,419 mm	34	35
1970	32.4 °C7 August 1970	-3.9 °C6 January 1970	15.3 °C	2,695 mm	21	38
1969	35.2 °C12 August 1969	-4.5 °C16 January 1969	15.5 °C	2,007 mm	28	33
1968	32.4 °C17 July 1968	-4.9 °C25 February 1968	15.1 °C	2,287 mm	19	46
1967	34.2 °C16 August 1967	-4.6 °C17 January 1967	15.5 °C	1,735 mm	41	45
1966	33.3 °C3 August 1966	-3.5 °C20 January 1966	15.2 °C	2,392 mm	25	27
1965	31.8 °C14 August 1965	-3.4 °C4 February 1965	14.5 °C	1,819 mm	17	31
1964	33.1 °C5 September 1964	-4.0 °C26 February 1964	16.1 °C	2,653 mm	37	26
1963	33.4 °C24 July 1963	-5.4 °C4 February 1963	15.3 °C	1,706 mm	27	57
1962	32.9 °C27 July 1962	-2.4 °C1 February 1962	15.1 °C	2,114 mm	24	40
1961	33.3 °C14 July 1961	-5.0 °C19 January 1961	16.0 °C	2,398 mm	33	44
1960	33.9 °C15 July 1960	-5.0 °C25 January 1960	15.7 °C	2,015 mm	28	41
1959	33.3 °C26 August 1959	-4.8 °C19 January 1959	16.0 °C	2,623 mm	37	25
1958	33.0 °C23 July 1958	-4.0 °C25 January 1958	15.8 °C	1,757 mm	38	28
1957	33.3 °C20 July 1957	-4.7 °C22 January 1957	15.2 °C	2,525 mm	24	39
1956	33.6 °C23 July 1956	-5.2 °C13 March 1956	15.1 °C	2,036 mm	30	57
1955	32.5 °C19 August 1955	-4.5 °C7 January 1955	15.5 °C	2,016 mm	28	36
1954	32.2 °C29 July 1954	-2.8 °C30 January 1954	15.8 °C	2,520 mm	12	27
1953	33.5 °C24 August 1953	-3.6 °C2 February 1953	15.5 °C	2,189 mm	31	37
1952	33.7 °C2 August 1952	-4.0 °C6 February 1952	15.4 °C	1,891 mm	14	25
1951	32.6 °C8 August 1951	-2.5 °C14 January 1951	15.1 °C	2,062 mm	21	20
1950	30.9 °C7 July 1950	-2.2 °C7 January 1950	15.0 °C	2,123 mm	3	28
1949	30.7 °C21 August 1949	-2.1 °C17 January 1949	14.9 °C	2,369 mm	3	21
1948	31.0 °C6 August 1948	-1.6 °C3 January 1948	15.4 °C	1,781 mm	9	23
1947	31.6 °C6 September 1947	-3.9 °C5 February 1947	14.2 °C	1,228 mm	25	51
1946	33.4 °C15 July 1946	-2.5 °C11 January 1946	15.3 °C	1,611 mm	14	28
1945	31.1 °C4 July 1945	-3.8 °C19 January 1945	14.5 °C	2,218 mm	7	49
1944	30.5 °C18 July 1944	-2.5 °C16 February 1944	14.8 °C	1,645 mm	1	44
1943	30.1 °C16 August 1943	-2.9 °C13 January 1943	14.5 °C	1,459 mm	1	43
1942	34.0 °C31 July 1942	-4.9 °C13 February 1942	14.7 °C	1,257 mm	20	39
1941	30.2 °C1 August 1941	-4.7 °C2 February 1941	14.9 °C	1,865 mm	3	30
1940	31.3 °C25 July 1940	-5.7 °C9 February 1940	14.2 °C	1,316 mm	5	42

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

21.3 °C

+1.3 °C

Hot days (≥ 30 °C)

63 d/yr

+35

Frost days (< 0 °C)

34 d/yr

Annual rainfall

1778 mm

-370 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	10.7 °C	+0.7 °C	28 mm	-35 mm
Feb	10.2 °C	-1.1 °C	62 mm	-34 mm
Mar	16.1 °C	+1.3 °C	124 mm	-20 mm
Apr	20.0 °C	+0.8 °C	154 mm	-30 mm
May	22.7 °C	+0.3 °C	297 mm	+69 mm
Jun	27.8 °C	+2.9 °C	245 mm	-126 mm
Jul	29.3 °C	+0.4 °C	253 mm	+9 mm
Aug	30.9 °C	+1.7 °C	160 mm	-100 mm
Sep	29.7 °C	+2.9 °C	196 mm	-61 mm
Oct	25.2 °C	+2.9 °C	164 mm	+17 mm
Nov	18.2 °C	+0.8 °C	38 mm	-56 mm
Dec	14.3 °C	+2.1 °C	58 mm	-5 mm

The year's extremes

Hottest day

33.8 °C

6 Jul 2025

Coldest day

-5.2 °C

9 Feb 2025

Wettest day

71.4 mm

8 Aug 2025

Windiest day

29.5 km/h

4 Feb 2025

Strongest gust

82.1 km/h

14 Apr 2025

Hottest feels-like

39.6 °C

5 Aug 2025

Coldest feels-like

-9.6 °C

9 Feb 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 Honjō?

Honjō has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 2,148 mm of precipitation per year.

What is the hottest day ever recorded in Honjō?

The hottest day measured in Honjō between 1940 and 2025 was 8 August 2013, reaching 35.7 °C.

What is the coldest day in Honjō?

The coldest day measured in Honjō between 1940 and 2025 was 25 January 1998, at -10.2 °C.

Does it snow in Honjō?

Yes. Honjō gets on average 2.6 cm of snow per year and has around 27 frost days.

Has the climate of Honjō warmed?

Yes: Honjō warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Honjō?

The wettest day measured in Honjō between 1940 and 2025 was 18 September 2022, with 260 mm of rain in 24 hours.

What was the windiest day in Honjō?

The windiest day measured in Honjō between 1940 and 2025 was 30 August 2004, with winds reaching 70.8 km/h.

What is the warmest month in Honjō?

The warmest month in Honjō is August (25.8 °C on average); the coldest is January (5.3 °C).

How much does it rain in Honjō?

Honjō receives on average 2,148 mm of precipitation per year, spread over about 154 rainy days.

Is it sunny in Honjō?

Honjō 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 Honjō?

The heaviest 24-hour snowfall measured in Honjō between 1940 and 2025 was 23 January 1998, with 10.4 cm.

Are there tropical nights in Honjō?

Yes: Honjō has on average 92 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Honjō?

In Honjō, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 31 July 2024, and the lowest was -15.3 °C on 25 January 1998.

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