Wadayama climate — normals and trends

Q: What is the climate of Wadayama?

Wadayama has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.7 °C and it receives 1,888 mm of precipitation per year.

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

The hottest day measured in Wadayama between 1940 and 2025 was 5 August 2018, reaching 36.3 °C.

Q: What is the coldest day in Wadayama?

The coldest day measured in Wadayama between 1940 and 2025 was 14 February 1942, at -17.8 °C.

Q: Does it snow in Wadayama?

Yes. Wadayama gets on average 72.2 cm of snow per year and has around 84 frost days.

Q: Has the climate of Wadayama warmed?

Yes: Wadayama warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Wadayama?

The wettest day measured in Wadayama between 1940 and 2025 was 27 October 1961, with 239 mm of rain in 24 hours.

Q: What was the windiest day in Wadayama?

The windiest day measured in Wadayama between 1940 and 2025 was 27 September 1991, with winds reaching 57.7 km/h.

Q: What is the warmest month in Wadayama?

The warmest month in Wadayama is August (25.0 °C on average); the coldest is January (0.8 °C).

Q: How much does it rain in Wadayama?

Wadayama receives on average 1,888 mm of precipitation per year, spread over about 172 rainy days.

Q: Is it sunny in Wadayama?

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

Wadayama (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.7 °C and it receives 1,888 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 (0.8 °C). Rainfall peaks in July.

Wadayama averages 84 frost days, 23 hot days (≥ 30 °C) and 172 rainy days per year.

Wadayama has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.

The number of frost days there went from about 106 to 62 per year over the period.

The hottest day of the period reached 36.3 °C (on 5 August 2018) and the coldest -17.8 °C (on 14 February 1942).

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

WadayamaHyōgo

coords: 35.32°, 134.87°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

12.7°C

Average daily high

17.0°C

Average daily low

8.7°C

Annual rainfall

1,888mm

Sunshine / day

8.7h

Mean relative humidity

78%

Average peak wind

14.6km/h

Seasonal range

24.2°C

Frost days (< 0 °C)

84 d/yr

Hot days (≥ 30 °C)

23 d/yr

Rainy days (≥ 1 mm)

172 d/yr

Annual snowfall

72.2 cm

Average feels-like high

16.2 °C

Average feels-like low

7.5 °C

Average peak gust

42.0 km/h

Tropical nights (≥ 20 °C)

58 d/yr

Solar radiation

14.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.7 °C

since 1940

+0.3 °C per decade · r² = 0.68 · 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

36.3 °C

5 August 2018

Coldest day

-17.8 °C

14 February 1942

Wettest day

239 mm

27 October 1961

Windiest day

57.7 km/h

27 September 1991

Strongest gust

185.8 km/h

27 September 1991

Hottest feels-like

42.0 °C

30 July 2025

Coldest feels-like

-22.3 °C

14 February 1942

Snowiest day

32.2 cm

15 February 1968

Sunniest day

14.0 h

21 May 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.8 °C30 July 2025	-8.8 °C6 February 2025	13.7 °C	1,589 mm	69	84
2024	35.4 °C7 July 2024	-7.1 °C9 January 2024	14.7 °C	2,262 mm	60	55
2023	34.6 °C27 July 2023	-11.4 °C26 January 2023	14.6 °C	1,991 mm	49	55
2022	33.3 °C2 August 2022	-11.0 °C2 January 2022	14.0 °C	1,567 mm	41	76
2021	34.4 °C5 August 2021	-8.2 °C27 December 2021	14.2 °C	2,257 mm	26	57
2020	34.7 °C20 August 2020	-7.2 °C18 December 2020	14.2 °C	1,934 mm	38	42
2019	34.4 °C2 August 2019	-4.3 °C4 January 2019	14.2 °C	1,743 mm	31	59
2018	36.3 °C5 August 2018	-12.4 °C6 February 2018	14.2 °C	2,363 mm	44	64
2017	32.9 °C24 August 2017	-12.1 °C18 January 2017	13.3 °C	2,080 mm	34	76
2016	32.7 °C7 August 2016	-7.8 °C26 January 2016	14.3 °C	2,144 mm	34	58
2015	34.5 °C2 August 2015	-5.7 °C3 January 2015	13.9 °C	2,047 mm	22	49
2014	32.9 °C25 July 2014	-8.1 °C17 February 2014	13.2 °C	1,990 mm	13	79
2013	33.4 °C9 August 2013	-11.9 °C30 December 2013	13.6 °C	2,097 mm	40	68
2012	33.2 °C27 July 2012	-16.1 °C19 February 2012	13.0 °C	1,858 mm	31	86
2011	33.1 °C10 August 2011	-12.4 °C16 February 2011	13.3 °C	2,259 mm	37	84
2010	33.1 °C23 July 2010	-5.7 °C31 December 2010	13.9 °C	1,787 mm	45	58
2009	31.5 °C22 August 2009	-10.3 °C16 January 2009	13.5 °C	1,772 mm	9	60
2008	32.8 °C3 August 2008	-8.6 °C19 February 2008	13.4 °C	1,583 mm	32	73
2007	34.2 °C16 August 2007	-4.3 °C15 January 2007	13.7 °C	1,471 mm	19	60
2006	33.9 °C10 August 2006	-10.0 °C9 January 2006	13.3 °C	1,961 mm	30	66
2005	33.1 °C21 July 2005	-9.2 °C14 March 2005	13.1 °C	1,316 mm	32	84
2004	32.7 °C13 July 2004	-8.6 °C8 February 2004	14.1 °C	2,210 mm	27	67
2003	33.5 °C23 August 2003	-9.1 °C7 January 2003	13.2 °C	1,988 mm	21	75
2002	33.6 °C27 July 2002	-13.3 °C16 February 2002	13.4 °C	1,481 mm	31	72
2001	34.3 °C4 July 2001	-11.4 °C18 January 2001	13.1 °C	1,721 mm	31	85
2000	33.7 °C22 July 2000	-13.5 °C29 January 2000	13.2 °C	1,811 mm	35	84
1999	31.5 °C9 August 1999	-10.3 °C5 February 1999	13.3 °C	1,820 mm	12	86
1998	33.0 °C3 July 1998	-11.3 °C30 January 1998	14.1 °C	1,994 mm	20	65
1997	32.4 °C2 September 1997	-8.4 °C30 January 1997	13.0 °C	1,792 mm	25	76
1996	33.1 °C4 August 1996	-12.4 °C4 February 1996	12.4 °C	1,784 mm	32	103
1995	33.9 °C19 August 1995	-13.6 °C28 December 1995	12.5 °C	1,714 mm	39	92
1994	35.8 °C7 August 1994	-7.7 °C23 January 1994	14.0 °C	1,203 mm	55	83
1993	32.7 °C26 August 1993	-7.7 °C3 February 1993	12.7 °C	2,301 mm	4	72
1992	33.0 °C26 July 1992	-6.2 °C27 February 1992	13.1 °C	1,622 mm	21	66
1991	34.2 °C24 July 1991	-13.6 °C26 February 1991	13.3 °C	2,037 mm	20	67
1990	32.7 °C10 August 1990	-8.0 °C25 January 1990	14.0 °C	2,067 mm	41	58
1989	31.2 °C3 August 1989	-6.0 °C4 February 1989	13.3 °C	2,240 mm	10	54
1988	32.7 °C9 July 1988	-10.3 °C20 February 1988	12.3 °C	1,841 mm	11	83
1987	32.8 °C6 June 1987	-9.8 °C3 March 1987	13.1 °C	1,745 mm	24	83
1986	33.0 °C29 July 1986	-12.3 °C28 January 1986	12.2 °C	1,628 mm	21	92
1985	33.1 °C30 July 1985	-13.1 °C31 January 1985	12.7 °C	2,093 mm	26	84
1984	33.2 °C11 August 1984	-9.7 °C4 February 1984	12.0 °C	1,528 mm	29	105
1983	32.8 °C26 July 1983	-10.1 °C28 December 1983	12.9 °C	1,908 mm	30	80
1982	30.3 °C25 August 1982	-11.0 °C31 January 1982	12.7 °C	1,922 mm	3	80
1981	32.4 °C19 July 1981	-12.4 °C4 December 1981	11.8 °C	1,639 mm	23	105
1980	31.7 °C21 July 1980	-10.4 °C17 February 1980	11.8 °C	2,167 mm	3	102
1979	33.3 °C30 July 1979	-9.7 °C20 January 1979	13.0 °C	2,250 mm	23	90
1978	33.5 °C6 July 1978	-12.1 °C17 February 1978	12.9 °C	1,700 mm	32	92
1977	33.2 °C4 August 1977	-13.5 °C17 February 1977	12.7 °C	1,834 mm	18	86
1976	31.6 °C14 August 1976	-13.6 °C25 January 1976	12.0 °C	2,376 mm	7	97
1975	32.5 °C23 July 1975	-10.5 °C21 January 1975	12.7 °C	2,269 mm	22	97
1974	31.6 °C6 August 1974	-13.6 °C27 January 1974	12.1 °C	2,205 mm	12	95
1973	33.3 °C13 August 1973	-8.2 °C14 January 1973	12.6 °C	1,532 mm	30	97
1972	32.9 °C5 August 1972	-7.1 °C3 April 1972	12.8 °C	2,870 mm	19	75
1971	32.8 °C29 July 1971	-11.2 °C2 February 1971	12.3 °C	1,940 mm	21	90
1970	33.2 °C22 July 1970	-14.5 °C20 January 1970	12.0 °C	2,115 mm	25	112
1969	34.4 °C13 August 1969	-11.0 °C18 January 1969	12.1 °C	1,958 mm	22	100
1968	32.5 °C23 July 1968	-12.2 °C21 February 1968	12.1 °C	2,062 mm	12	90
1967	32.7 °C23 July 1967	-12.4 °C17 February 1967	12.4 °C	1,843 mm	32	104
1966	32.0 °C9 August 1966	-12.5 °C29 January 1966	11.5 °C	2,170 mm	9	103
1965	30.7 °C28 July 1965	-12.8 °C31 January 1965	10.9 °C	2,350 mm	4	113
1964	32.9 °C5 July 1964	-8.2 °C14 February 1964	13.2 °C	1,858 mm	42	74
1963	32.1 °C19 July 1963	-11.6 °C9 January 1963	12.2 °C	2,143 mm	23	100
1962	33.9 °C28 July 1962	-9.1 °C27 January 1962	12.6 °C	1,741 mm	25	88
1961	32.5 °C14 July 1961	-10.4 °C19 February 1961	13.3 °C	2,104 mm	40	87
1960	33.7 °C21 July 1960	-11.3 °C26 January 1960	13.0 °C	1,855 mm	26	86
1959	34.8 °C2 August 1959	-9.3 °C22 December 1959	13.5 °C	2,168 mm	32	66
1958	32.3 °C31 July 1958	-8.0 °C9 March 1958	12.9 °C	1,913 mm	18	76
1957	32.3 °C31 July 1957	-10.3 °C9 January 1957	12.2 °C	1,984 mm	11	88
1956	33.7 °C11 August 1956	-12.5 °C3 February 1956	12.0 °C	2,279 mm	29	93
1955	32.8 °C28 July 1955	-11.6 °C12 January 1955	12.8 °C	1,659 mm	24	82
1954	33.1 °C8 August 1954	-9.8 °C31 January 1954	12.6 °C	1,860 mm	21	73
1953	33.7 °C27 July 1953	-13.8 °C20 January 1953	12.5 °C	2,348 mm	22	86
1952	30.7 °C3 August 1952	-11.8 °C22 February 1952	11.1 °C	1,902 mm	5	104
1951	31.8 °C28 July 1951	-11.6 °C18 February 1951	11.5 °C	1,644 mm	12	95
1950	29.7 °C15 August 1950	-10.5 °C29 December 1950	11.7 °C	1,576 mm	0	101
1949	30.6 °C7 August 1949	-8.9 °C17 February 1949	11.3 °C	1,690 mm	2	105
1948	29.9 °C26 July 1948	-9.5 °C3 January 1948	12.0 °C	1,591 mm	0	84
1947	32.5 °C13 August 1947	-14.2 °C29 January 1947	10.4 °C	1,562 mm	8	117
1946	33.2 °C16 July 1946	-12.0 °C6 January 1946	11.6 °C	1,523 mm	16	110
1945	30.1 °C8 August 1945	-12.6 °C11 January 1945	10.8 °C	2,280 mm	3	112
1944	30.4 °C1 September 1944	-12.3 °C22 February 1944	11.4 °C	1,428 mm	4	117
1943	30.1 °C5 August 1943	-11.4 °C2 February 1943	11.0 °C	1,270 mm	2	118
1942	33.6 °C2 August 1942	-17.8 °C14 February 1942	11.3 °C	1,161 mm	19	114
1941	29.7 °C9 August 1941	-13.1 °C12 February 1941	11.3 °C	1,701 mm	0	102
1940	30.0 °C24 July 1940	-13.9 °C27 January 1940	10.8 °C	1,329 mm	1	114

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

18.4 °C

+1.4 °C

Hot days (≥ 30 °C)

69 d/yr

+46

Frost days (< 0 °C)

84 d/yr

Annual rainfall

1589 mm

-299 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	5.3 °C	+0.4 °C	40 mm	-31 mm
Feb	3.9 °C	-1.6 °C	61 mm	-22 mm
Mar	9.9 °C	0.0 °C	148 mm	+26 mm
Apr	17.4 °C	+1.2 °C	85 mm	-59 mm
May	21.3 °C	+0.6 °C	165 mm	+1 mm
Jun	27.0 °C	+3.0 °C	245 mm	-3 mm
Jul	31.5 °C	+3.5 °C	87 mm	-194 mm
Aug	31.3 °C	+2.3 °C	234 mm	+26 mm
Sep	27.6 °C	+2.9 °C	224 mm	-36 mm
Oct	20.7 °C	+1.6 °C	199 mm	+50 mm
Nov	14.5 °C	+0.9 °C	40 mm	-52 mm
Dec	9.0 °C	+1.1 °C	62 mm	-6 mm

The year's extremes

Hottest day

34.8 °C

30 Jul 2025

Coldest day

-8.8 °C

6 Feb 2025

Wettest day

117.7 mm

10 Aug 2025

Windiest day

27.1 km/h

13 Apr 2025

Strongest gust

87.1 km/h

17 May 2025

Hottest feels-like

42.0 °C

30 Jul 2025

Coldest feels-like

-13.2 °C

6 Feb 2025

Snowiest day

8.2 cm

4 Mar 2025

Sunniest day

14.0 h

20 May 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 Wadayama?

Wadayama has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.7 °C and it receives 1,888 mm of precipitation per year.

What is the hottest day ever recorded in Wadayama?

The hottest day measured in Wadayama between 1940 and 2025 was 5 August 2018, reaching 36.3 °C.

What is the coldest day in Wadayama?

The coldest day measured in Wadayama between 1940 and 2025 was 14 February 1942, at -17.8 °C.

Does it snow in Wadayama?

Yes. Wadayama gets on average 72.2 cm of snow per year and has around 84 frost days.

Has the climate of Wadayama warmed?

Yes: Wadayama warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Wadayama?

The wettest day measured in Wadayama between 1940 and 2025 was 27 October 1961, with 239 mm of rain in 24 hours.

What was the windiest day in Wadayama?

The windiest day measured in Wadayama between 1940 and 2025 was 27 September 1991, with winds reaching 57.7 km/h.

What is the warmest month in Wadayama?

The warmest month in Wadayama is August (25.0 °C on average); the coldest is January (0.8 °C).

How much does it rain in Wadayama?

Wadayama receives on average 1,888 mm of precipitation per year, spread over about 172 rainy days.

Is it sunny in Wadayama?

Wadayama 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 Wadayama?

The heaviest 24-hour snowfall measured in Wadayama between 1940 and 2025 was 15 February 1968, with 32.2 cm.

Are there tropical nights in Wadayama?

Yes: Wadayama has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Wadayama?

In Wadayama, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 30 July 2025, and the lowest was -22.3 °C on 14 February 1942.

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