Gion climate — normals and trends

Q: What is the climate of Gion?

Gion has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,560 mm of precipitation per year.

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

The hottest day measured in Gion between 1940 and 2025 was 4 August 2001, reaching 36.2 °C.

Q: What is the coldest day in Gion?

The coldest day measured in Gion between 1940 and 2025 was 19 February 1977, at -10.8 °C.

Q: Does it snow in Gion?

Yes. Gion gets on average 34.0 cm of snow per year and has around 59 frost days.

Q: Has the climate of Gion warmed?

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

Q: What is the wettest day in Gion?

The wettest day measured in Gion between 1940 and 2025 was 14 August 2021, with 194 mm of rain in 24 hours.

Q: What was the windiest day in Gion?

The windiest day measured in Gion between 1940 and 2025 was 7 September 2004, with winds reaching 62.9 km/h.

Q: What is the warmest month in Gion?

The warmest month in Gion is August (25.9 °C on average); the coldest is January (2.7 °C).

Q: How much does it rain in Gion?

Gion receives on average 1,560 mm of precipitation per year, spread over about 143 rainy days.

Q: Is it sunny in Gion?

Gion gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

Gion (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 1,560 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 (25.9 °C on average) and the coldest is January (2.7 °C). Rainfall peaks in July.

Gion averages 59 frost days, 31 hot days (≥ 30 °C) and 143 rainy days per year.

Gion 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 82 to 36 per year over the period.

The hottest day of the period reached 36.2 °C (on 4 August 2001) and the coldest -10.8 °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

GionHiroshima

coords: 34.43°, 132.47°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

14.0°C

Average daily high

18.3°C

Average daily low

9.9°C

Annual rainfall

1,560mm

Sunshine / day

8.7h

Mean relative humidity

74%

Average peak wind

13.1km/h

Seasonal range

23.2°C

Frost days (< 0 °C)

59 d/yr

Hot days (≥ 30 °C)

31 d/yr

Rainy days (≥ 1 mm)

143 d/yr

Annual snowfall

34.0 cm

Average feels-like high

17.9 °C

Average feels-like low

9.0 °C

Average peak gust

36.6 km/h

Tropical nights (≥ 20 °C)

69 d/yr

Solar radiation

14.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.8 °C

since 1940

+0.3 °C per decade · r² = 0.72 · 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

36.2 °C

4 August 2001

Coldest day

-10.8 °C

19 February 1977

Wettest day

194 mm

14 August 2021

Windiest day

62.9 km/h

7 September 2004

Strongest gust

190.1 km/h

7 September 2004

Hottest feels-like

41.9 °C

25 July 2018

Coldest feels-like

-15.3 °C

16 February 1977

Snowiest day

26.1 cm

9 March 2010

Sunniest day

14.0 h

9 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.4 °C2 August 2025	-8.5 °C25 February 2025	14.6 °C	1,443 mm	68	66
2024	35.1 °C16 August 2024	-4.0 °C20 December 2024	15.9 °C	1,820 mm	70	36
2023	34.9 °C4 September 2023	-4.8 °C26 January 2023	15.9 °C	1,400 mm	57	38
2022	33.1 °C29 July 2022	-3.3 °C25 February 2022	15.3 °C	1,419 mm	50	51
2021	36.2 °C5 August 2021	-5.4 °C7 January 2021	15.4 °C	2,075 mm	29	27
2020	34.5 °C30 August 2020	-3.4 °C19 February 2020	15.2 °C	1,993 mm	42	25
2019	34.1 °C13 August 2019	-4.0 °C2 February 2019	15.4 °C	1,456 mm	35	28
2018	36.2 °C4 August 2018	-7.1 °C8 February 2018	15.1 °C	1,819 mm	51	49
2017	34.7 °C5 August 2017	-6.8 °C25 January 2017	14.6 °C	1,483 mm	46	51
2016	34.4 °C13 August 2016	-6.0 °C24 January 2016	15.5 °C	1,984 mm	44	35
2015	33.5 °C6 August 2015	-3.2 °C18 January 2015	14.9 °C	1,709 mm	22	35
2014	33.1 °C25 July 2014	-3.2 °C8 December 2014	14.5 °C	1,654 mm	13	52
2013	34.8 °C20 August 2013	-3.4 °C29 January 2013	15.1 °C	1,779 mm	48	43
2012	33.3 °C3 August 2012	-4.9 °C20 February 2012	14.6 °C	1,522 mm	43	55
2011	32.5 °C10 August 2011	-4.9 °C16 January 2011	14.7 °C	1,636 mm	38	52
2010	34.8 °C3 September 2010	-2.9 °C2 January 2010	15.2 °C	1,534 mm	56	37
2009	31.9 °C18 July 2009	-3.4 °C16 January 2009	15.1 °C	1,351 mm	18	26
2008	34.2 °C11 August 2008	-2.8 °C6 March 2008	14.9 °C	1,326 mm	49	38
2007	34.1 °C17 August 2007	-2.4 °C15 January 2007	15.3 °C	1,161 mm	45	26
2006	34.9 °C16 August 2006	-3.9 °C4 February 2006	14.7 °C	1,644 mm	36	44
2005	33.5 °C2 September 2005	-5.7 °C25 December 2005	14.5 °C	1,107 mm	42	59
2004	35.6 °C30 July 2004	-5.6 °C22 January 2004	15.3 °C	2,002 mm	41	45
2003	33.6 °C22 August 2003	-5.6 °C29 January 2003	14.8 °C	1,726 mm	22	46
2002	34.7 °C1 August 2002	-3.5 °C1 February 2002	15.2 °C	1,099 mm	52	36
2001	36.2 °C4 August 2001	-5.9 °C15 January 2001	14.8 °C	1,562 mm	44	53
2000	35.6 °C12 August 2000	-5.4 °C29 January 2000	14.8 °C	1,461 mm	51	55
1999	32.5 °C9 August 1999	-5.5 °C4 February 1999	14.7 °C	1,546 mm	19	49
1998	33.6 °C4 August 1998	-5.6 °C25 January 1998	15.6 °C	1,645 mm	47	35
1997	33.6 °C2 September 1997	-5.3 °C23 February 1997	14.6 °C	1,710 mm	41	56
1996	35.0 °C10 August 1996	-6.0 °C2 February 1996	14.1 °C	1,352 mm	41	72
1995	34.2 °C23 August 1995	-5.7 °C28 December 1995	14.1 °C	1,243 mm	46	56
1994	34.9 °C16 July 1994	-4.8 °C31 January 1994	15.2 °C	948 mm	65	52
1993	30.7 °C26 August 1993	-4.7 °C22 January 1993	14.0 °C	2,061 mm	2	49
1992	33.3 °C29 July 1992	-4.2 °C26 February 1992	14.5 °C	1,497 mm	30	33
1991	33.2 °C24 July 1991	-6.4 °C26 February 1991	14.7 °C	1,586 mm	31	46
1990	35.4 °C6 August 1990	-7.7 °C26 January 1990	15.3 °C	1,674 mm	58	38
1989	31.9 °C12 August 1989	-5.5 °C30 January 1989	14.6 °C	1,691 mm	20	33
1988	32.1 °C8 August 1988	-4.2 °C4 February 1988	13.8 °C	1,471 mm	13	56
1987	32.1 °C30 July 1987	-4.3 °C26 January 1987	14.3 °C	1,772 mm	16	52
1986	32.5 °C30 July 1986	-5.6 °C25 February 1986	13.6 °C	1,396 mm	35	72
1985	33.4 °C28 July 1985	-6.7 °C31 January 1985	14.2 °C	1,704 mm	43	63
1984	33.5 °C9 August 1984	-8.3 °C10 February 1984	13.5 °C	1,316 mm	38	83
1983	34.2 °C16 August 1983	-5.8 °C22 February 1983	14.2 °C	1,591 mm	32	64
1982	30.7 °C10 July 1982	-8.4 °C3 January 1982	13.9 °C	1,780 mm	6	58
1981	32.3 °C30 July 1981	-8.4 °C26 February 1981	13.1 °C	1,361 mm	23	75
1980	31.5 °C20 July 1980	-6.6 °C12 January 1980	13.0 °C	2,322 mm	3	81
1979	33.2 °C11 August 1979	-7.4 °C7 February 1979	14.1 °C	1,944 mm	28	57
1978	33.7 °C21 July 1978	-8.1 °C16 February 1978	14.2 °C	1,251 mm	52	65
1977	33.1 °C3 August 1977	-10.8 °C19 February 1977	13.9 °C	1,650 mm	24	70
1976	31.7 °C22 August 1976	-6.1 °C27 December 1976	13.2 °C	2,050 mm	13	73
1975	32.8 °C22 July 1975	-7.1 °C24 February 1975	14.0 °C	1,845 mm	29	64
1974	33.3 °C15 August 1974	-7.0 °C12 February 1974	13.4 °C	1,718 mm	20	66
1973	35.2 °C22 July 1973	-4.8 °C31 January 1973	13.9 °C	1,283 mm	42	70
1972	32.0 °C5 August 1972	-5.5 °C2 March 1972	13.7 °C	2,352 mm	27	59
1971	33.4 °C2 August 1971	-7.1 °C11 February 1971	13.7 °C	1,467 mm	29	66
1970	33.3 °C5 August 1970	-7.5 °C29 January 1970	13.5 °C	1,593 mm	31	84
1969	35.1 °C12 August 1969	-6.0 °C6 February 1969	13.6 °C	1,375 mm	38	72
1968	32.9 °C23 July 1968	-10.0 °C26 February 1968	13.4 °C	1,645 mm	17	73
1967	34.3 °C24 August 1967	-7.4 °C16 January 1967	13.9 °C	1,477 mm	55	74
1966	34.2 °C8 August 1966	-5.9 °C20 January 1966	13.0 °C	1,806 mm	21	71
1965	31.9 °C22 August 1965	-6.3 °C3 February 1965	12.3 °C	1,903 mm	10	86
1964	33.7 °C20 August 1964	-5.6 °C6 February 1964	14.4 °C	1,403 mm	51	58
1963	32.5 °C2 August 1963	-8.3 °C10 February 1963	13.2 °C	2,020 mm	23	80
1962	33.2 °C7 August 1962	-5.1 °C4 February 1962	13.6 °C	1,434 mm	36	67
1961	33.3 °C17 July 1961	-6.4 °C15 January 1961	14.5 °C	1,351 mm	47	65
1960	33.3 °C1 August 1960	-7.0 °C31 January 1960	14.1 °C	1,409 mm	31	62
1959	33.7 °C3 August 1959	-6.5 °C17 January 1959	14.6 °C	1,583 mm	32	45
1958	33.1 °C31 July 1958	-5.9 °C31 March 1958	14.1 °C	1,335 mm	31	51
1957	32.1 °C20 July 1957	-6.5 °C11 February 1957	13.2 °C	1,806 mm	15	67
1956	33.8 °C4 August 1956	-5.9 °C12 January 1956	13.1 °C	1,830 mm	31	79
1955	32.4 °C11 August 1955	-5.8 °C12 January 1955	13.9 °C	1,349 mm	32	59
1954	32.9 °C6 August 1954	-5.9 °C9 February 1954	13.8 °C	1,793 mm	23	53
1953	33.4 °C23 August 1953	-5.6 °C19 January 1953	13.8 °C	2,042 mm	26	58
1952	31.3 °C2 August 1952	-6.2 °C20 February 1952	12.8 °C	1,652 mm	7	71
1951	32.4 °C31 July 1951	-6.9 °C18 February 1951	12.9 °C	1,464 mm	27	65
1950	30.8 °C2 August 1950	-5.9 °C21 February 1950	13.0 °C	1,244 mm	4	78
1949	30.7 °C6 August 1949	-4.4 °C9 January 1949	12.6 °C	1,444 mm	4	76
1948	30.2 °C20 August 1948	-5.2 °C4 January 1948	13.2 °C	1,417 mm	1	62
1947	31.5 °C12 August 1947	-7.8 °C5 February 1947	11.7 °C	1,263 mm	7	88
1946	34.1 °C25 July 1946	-6.3 °C4 February 1946	13.1 °C	994 mm	20	87
1945	31.0 °C10 August 1945	-8.4 °C27 February 1945	12.2 °C	1,866 mm	3	97
1944	30.1 °C18 July 1944	-6.3 °C9 January 1944	12.8 °C	1,026 mm	2	96
1943	31.1 °C15 August 1943	-7.6 °C12 January 1943	12.4 °C	998 mm	1	90
1942	33.7 °C4 August 1942	-7.8 °C14 February 1942	12.7 °C	896 mm	35	88
1941	30.4 °C8 August 1941	-7.3 °C2 February 1941	12.6 °C	1,294 mm	2	76
1940	30.0 °C29 July 1940	-10.6 °C9 February 1940	12.1 °C	1,072 mm	1	92

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

19.5 °C

+1.2 °C

Hot days (≥ 30 °C)

68 d/yr

+37

Frost days (< 0 °C)

66 d/yr

Annual rainfall

1443 mm

-117 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	7.1 °C	+0.4 °C	21 mm	-33 mm
Feb	5.3 °C	-2.4 °C	55 mm	-14 mm
Mar	13.0 °C	+1.2 °C	150 mm	+48 mm
Apr	18.6 °C	+1.1 °C	72 mm	-58 mm
May	21.9 °C	+0.1 °C	201 mm	+55 mm
Jun	26.8 °C	+2.0 °C	258 mm	+29 mm
Jul	31.8 °C	+3.3 °C	67 mm	-175 mm
Aug	31.4 °C	+1.5 °C	196 mm	+34 mm
Sep	28.1 °C	+1.9 °C	228 mm	+29 mm
Oct	22.5 °C	+1.8 °C	115 mm	+11 mm
Nov	15.8 °C	+0.7 °C	30 mm	-43 mm
Dec	10.1 °C	+0.8 °C	52 mm	-2 mm

The year's extremes

Hottest day

35.4 °C

2 Aug 2025

Coldest day

-8.5 °C

25 Feb 2025

Wettest day

82.9 mm

10 Aug 2025

Windiest day

30.1 km/h

5 Feb 2025

Strongest gust

79.2 km/h

10 Aug 2025

Hottest feels-like

40.7 °C

1 Aug 2025

Coldest feels-like

-12.4 °C

25 Feb 2025

Snowiest day

10.1 cm

1 Feb 2025

Sunniest day

14.0 h

4 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 Gion?

Gion has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,560 mm of precipitation per year.

What is the hottest day ever recorded in Gion?

The hottest day measured in Gion between 1940 and 2025 was 4 August 2001, reaching 36.2 °C.

What is the coldest day in Gion?

The coldest day measured in Gion between 1940 and 2025 was 19 February 1977, at -10.8 °C.

Does it snow in Gion?

Yes. Gion gets on average 34.0 cm of snow per year and has around 59 frost days.

Has the climate of Gion warmed?

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

What is the wettest day in Gion?

The wettest day measured in Gion between 1940 and 2025 was 14 August 2021, with 194 mm of rain in 24 hours.

What was the windiest day in Gion?

The windiest day measured in Gion between 1940 and 2025 was 7 September 2004, with winds reaching 62.9 km/h.

What is the warmest month in Gion?

The warmest month in Gion is August (25.9 °C on average); the coldest is January (2.7 °C).

How much does it rain in Gion?

Gion receives on average 1,560 mm of precipitation per year, spread over about 143 rainy days.

Is it sunny in Gion?

Gion gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

What is the biggest single-day snowfall in Gion?

The heaviest 24-hour snowfall measured in Gion between 1940 and 2025 was 9 March 2010, with 26.1 cm.

Are there tropical nights in Gion?

Yes: Gion has on average 69 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Gion?

In Gion, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 25 July 2018, and the lowest was -15.3 °C on 16 February 1977.

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