Miyashiro climate — normals and trends

Q: What is the climate of Miyashiro?

Miyashiro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,321 mm of precipitation per year.

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

The hottest day measured in Miyashiro between 1940 and 2025 was 3 August 1994, reaching 39.7 °C.

Q: What is the coldest day in Miyashiro?

The coldest day measured in Miyashiro between 1940 and 2025 was 16 February 1967, at -17.0 °C.

Q: Does it snow in Miyashiro?

Yes. Miyashiro gets on average 18.8 cm of snow per year and has around 53 frost days.

Q: Has the climate of Miyashiro warmed?

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

Q: What is the wettest day in Miyashiro?

The wettest day measured in Miyashiro between 1940 and 2025 was 26 September 1958, with 230 mm of rain in 24 hours.

Q: What was the windiest day in Miyashiro?

The windiest day measured in Miyashiro between 1940 and 2025 was 1 October 2018, with winds reaching 72.9 km/h.

Q: What is the warmest month in Miyashiro?

The warmest month in Miyashiro is August (26.9 °C on average); the coldest is January (3.3 °C).

Q: How much does it rain in Miyashiro?

Miyashiro receives on average 1,321 mm of precipitation per year, spread over about 134 rainy days.

Q: Is it sunny in Miyashiro?

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

Miyashiro (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 1,321 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 (26.9 °C on average) and the coldest is January (3.3 °C). Rainfall peaks in September.

Miyashiro averages 53 frost days, 43 hot days (≥ 30 °C) and 134 rainy days per year.

Miyashiro 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 75 to 31 per year over the period.

The hottest day of the period reached 39.7 °C (on 3 August 1994) and the coldest -17.0 °C (on 16 February 1967).

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

MiyashiroSaitama

coords: 36.02°, 139.73°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthSeptemberDriest monthJanuary

Mean daily temperature

14.9°C

Average daily high

19.4°C

Average daily low

11.0°C

Annual rainfall

1,321mm

Sunshine / day

8.0h

Mean relative humidity

72%

Average peak wind

16.5km/h

Seasonal range

23.6°C

Frost days (< 0 °C)

53 d/yr

Hot days (≥ 30 °C)

43 d/yr

Rainy days (≥ 1 mm)

134 d/yr

Annual snowfall

18.8 cm

Average feels-like high

18.9 °C

Average feels-like low

10.2 °C

Average peak gust

31.1 km/h

Tropical nights (≥ 20 °C)

81 d/yr

Solar radiation

13.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °C

since 1940

+0.3 °C per decade · r² = 0.67 · 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

39.7 °C

3 August 1994

Coldest day

-17.0 °C

16 February 1967

Wettest day

230 mm

26 September 1958

Windiest day

72.9 km/h

1 October 2018

Strongest gust

149.0 km/h

27 September 1959

Hottest feels-like

45.9 °C

16 August 2007

Coldest feels-like

-21.8 °C

16 February 1967

Snowiest day

36.2 cm

12 March 1969

Sunniest day

14.0 h

25 June 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.3 °C5 August 2025	-4.1 °C5 January 2025	16.7 °C	1,052 mm	87	51
2024	38.3 °C11 August 2024	-3.8 °C12 January 2024	17.2 °C	1,529 mm	79	39
2023	38.1 °C26 July 2023	-5.0 °C26 January 2023	17.4 °C	1,146 mm	86	31
2022	38.5 °C30 June 2022	-5.1 °C7 January 2022	16.1 °C	1,309 mm	62	51
2021	36.4 °C10 August 2021	-5.4 °C10 January 2021	16.2 °C	1,537 mm	46	40
2020	37.1 °C11 August 2020	-5.2 °C7 February 2020	16.3 °C	1,367 mm	55	24
2019	36.1 °C9 September 2019	-3.5 °C10 January 2019	16.3 °C	1,456 mm	52	26
2018	38.5 °C23 July 2018	-6.8 °C25 January 2018	16.6 °C	1,211 mm	68	40
2017	36.6 °C17 July 2017	-3.5 °C26 January 2017	15.6 °C	1,340 mm	51	35
2016	37.0 °C9 August 2016	-4.0 °C13 January 2016	16.1 °C	1,442 mm	52	39
2015	37.6 °C7 August 2015	-4.2 °C29 January 2015	16.1 °C	1,479 mm	40	37
2014	38.3 °C5 August 2014	-4.4 °C10 February 2014	15.6 °C	1,329 mm	42	59
2013	38.4 °C10 August 2013	-6.6 °C16 January 2013	15.9 °C	1,158 mm	53	52
2012	35.4 °C13 August 2012	-5.2 °C27 January 2012	15.1 °C	1,300 mm	62	63
2011	37.2 °C18 August 2011	-5.1 °C31 January 2011	15.4 °C	1,309 mm	58	56
2010	36.0 °C31 August 2010	-3.9 °C14 January 2010	15.9 °C	1,630 mm	67	34
2009	33.5 °C15 July 2009	-3.1 °C25 January 2009	15.7 °C	1,490 mm	33	25
2008	37.2 °C15 August 2008	-3.2 °C20 January 2008	15.5 °C	1,340 mm	49	37
2007	38.6 °C16 August 2007	-3.0 °C25 February 2007	16.0 °C	1,283 mm	50	19
2006	35.5 °C5 August 2006	-4.7 °C5 February 2006	15.6 °C	1,587 mm	38	31
2005	35.3 °C5 August 2005	-4.0 °C19 December 2005	15.2 °C	1,193 mm	58	58
2004	38.6 °C20 July 2004	-2.7 °C8 February 2004	16.4 °C	1,457 mm	66	28
2003	34.3 °C24 August 2003	-3.7 °C30 January 2003	15.0 °C	1,652 mm	32	35
2002	37.8 °C11 August 2002	-3.0 °C4 January 2002	15.7 °C	1,273 mm	55	34
2001	39.1 °C24 July 2001	-11.5 °C30 January 2001	15.4 °C	1,121 mm	52	48
2000	37.4 °C2 September 2000	-4.0 °C28 January 2000	15.8 °C	1,286 mm	59	34
1999	34.4 °C1 September 1999	-3.4 °C20 February 1999	16.0 °C	1,230 mm	57	39
1998	35.5 °C3 July 1998	-11.1 °C10 January 1998	15.7 °C	1,721 mm	40	39
1997	37.6 °C5 July 1997	-2.8 °C22 January 1997	15.7 °C	1,109 mm	47	32
1996	38.0 °C15 August 1996	-8.8 °C20 February 1996	14.9 °C	1,285 mm	47	42
1995	37.3 °C19 August 1995	-3.1 °C17 January 1995	15.5 °C	1,133 mm	50	40
1994	39.7 °C3 August 1994	-10.0 °C31 January 1994	15.9 °C	1,197 mm	65	49
1993	33.0 °C28 August 1993	-2.9 °C15 February 1993	14.7 °C	1,649 mm	17	28
1992	36.9 °C4 September 1992	-4.6 °C3 February 1992	15.1 °C	1,335 mm	45	30
1991	36.6 °C24 July 1991	-3.7 °C24 February 1991	15.6 °C	1,682 mm	41	39
1990	38.8 °C19 July 1990	-9.5 °C3 February 1990	16.2 °C	1,376 mm	64	32
1989	33.4 °C28 August 1989	-3.0 °C29 January 1989	15.4 °C	1,358 mm	34	17
1988	33.2 °C22 August 1988	-4.4 °C4 February 1988	14.4 °C	1,409 mm	20	50
1987	36.8 °C24 July 1987	-5.5 °C15 January 1987	15.2 °C	1,127 mm	44	50
1986	34.2 °C4 September 1986	-9.3 °C25 February 1986	14.1 °C	1,359 mm	36	65
1985	34.4 °C2 September 1985	-9.0 °C31 January 1985	14.7 °C	1,508 mm	51	55
1984	37.8 °C3 September 1984	-12.6 °C9 February 1984	13.7 °C	933 mm	48	87
1983	35.7 °C19 August 1983	-4.8 °C23 January 1983	14.6 °C	1,352 mm	34	60
1982	32.5 °C22 August 1982	-5.2 °C31 January 1982	15.0 °C	1,434 mm	21	38
1981	34.1 °C18 July 1981	-12.9 °C18 February 1981	13.8 °C	1,291 mm	37	76
1980	33.4 °C23 July 1980	-8.1 °C25 March 1980	14.2 °C	1,410 mm	16	69
1979	34.8 °C25 June 1979	-12.5 °C16 January 1979	15.6 °C	1,608 mm	44	46
1978	37.3 °C22 August 1978	-11.4 °C4 January 1978	14.9 °C	1,168 mm	64	65
1977	34.3 °C5 August 1977	-12.1 °C15 January 1977	14.7 °C	1,481 mm	25	63
1976	33.3 °C22 August 1976	-4.9 °C22 January 1976	14.1 °C	1,501 mm	23	53
1975	35.0 °C16 September 1975	-4.1 °C23 February 1975	14.8 °C	1,443 mm	52	51
1974	33.3 °C30 July 1974	-5.2 °C11 February 1974	14.4 °C	1,507 mm	33	60
1973	37.7 °C19 August 1973	-3.5 °C8 February 1973	14.9 °C	1,209 mm	46	55
1972	35.7 °C8 August 1972	-4.3 °C7 January 1972	15.2 °C	1,610 mm	38	37
1971	34.2 °C8 July 1971	-5.7 °C6 January 1971	14.4 °C	1,531 mm	37	55
1970	34.3 °C5 August 1970	-8.2 °C6 January 1970	14.2 °C	1,273 mm	42	70
1969	35.2 °C14 August 1969	-7.5 °C15 March 1969	14.5 °C	1,385 mm	42	59
1968	33.8 °C21 July 1968	-14.2 °C22 February 1968	14.6 °C	1,379 mm	28	59
1967	36.3 °C11 August 1967	-17.0 °C16 February 1967	14.7 °C	1,323 mm	47	74
1966	33.2 °C8 August 1966	-5.8 °C21 January 1966	14.0 °C	1,431 mm	28	68
1965	33.4 °C30 July 1965	-6.3 °C4 February 1965	13.6 °C	1,381 mm	23	71
1964	35.3 °C17 August 1964	-3.7 °C27 February 1964	14.8 °C	1,493 mm	43	42
1963	36.3 °C13 August 1963	-6.0 °C25 January 1963	14.6 °C	1,239 mm	46	61
1962	36.9 °C4 August 1962	-4.1 °C26 January 1962	15.0 °C	1,280 mm	52	61
1961	36.2 °C27 July 1961	-5.1 °C3 February 1961	15.6 °C	1,117 mm	59	59
1960	34.1 °C8 August 1960	-4.4 °C25 January 1960	15.0 °C	1,290 mm	42	46
1959	34.4 °C28 August 1959	-5.5 °C19 January 1959	15.2 °C	1,486 mm	39	47
1958	35.8 °C1 August 1958	-7.7 °C30 March 1958	14.9 °C	1,510 mm	41	48
1957	34.2 °C31 July 1957	-5.3 °C9 January 1957	14.6 °C	1,350 mm	29	54
1956	36.1 °C2 August 1956	-10.5 °C26 January 1956	14.5 °C	1,307 mm	37	77
1955	37.2 °C31 July 1955	-5.6 °C17 January 1955	15.2 °C	1,302 mm	48	58
1954	36.1 °C23 August 1954	-13.0 °C28 January 1954	14.5 °C	1,263 mm	40	48
1953	36.4 °C21 August 1953	-10.7 °C23 February 1953	14.4 °C	1,380 mm	25	60
1952	33.6 °C27 August 1952	-13.2 °C6 February 1952	13.2 °C	1,241 mm	24	88
1951	35.3 °C10 August 1951	-13.2 °C19 February 1951	13.7 °C	1,331 mm	28	70
1950	32.5 °C7 July 1950	-5.7 °C8 January 1950	14.2 °C	1,105 mm	32	84
1949	32.5 °C6 August 1949	-5.1 °C30 December 1949	13.9 °C	1,259 mm	27	69
1948	31.6 °C6 July 1948	-4.9 °C2 January 1948	14.3 °C	1,228 mm	15	65
1947	34.5 °C16 August 1947	-6.9 °C4 February 1947	13.1 °C	1,012 mm	38	90
1946	36.6 °C17 July 1946	-5.8 °C11 February 1946	14.1 °C	971 mm	44	82
1945	32.3 °C4 August 1945	-11.6 °C24 February 1945	13.3 °C	1,338 mm	19	92
1944	33.9 °C10 August 1944	-6.2 °C3 February 1944	14.2 °C	932 mm	34	85
1943	33.1 °C15 August 1943	-11.5 °C2 February 1943	13.8 °C	610 mm	32	87
1942	35.0 °C17 August 1942	-9.3 °C3 January 1942	14.0 °C	837 mm	48	81
1941	32.0 °C17 August 1941	-5.9 °C26 January 1941	13.6 °C	1,430 mm	13	71
1940	35.2 °C25 July 1940	-6.9 °C28 January 1940	13.6 °C	855 mm	31	87

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

21.7 °C

+2.3 °C

Hot days (≥ 30 °C)

87 d/yr

+44

Frost days (< 0 °C)

51 d/yr

-2

Annual rainfall

1052 mm

-269 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.0 °C	+2.4 °C	34 mm	-11 mm
Feb	10.9 °C	+1.6 °C	7 mm	-47 mm
Mar	15.5 °C	+2.5 °C	149 mm	+57 mm
Apr	20.2 °C	+1.8 °C	126 mm	+22 mm
May	23.0 °C	+0.2 °C	173 mm	+46 mm
Jun	29.1 °C	+3.6 °C	132 mm	-25 mm
Jul	33.7 °C	+4.4 °C	43 mm	-106 mm
Aug	35.3 °C	+4.5 °C	42 mm	-86 mm
Sep	30.6 °C	+3.9 °C	143 mm	-31 mm
Oct	21.7 °C	+0.6 °C	123 mm	-42 mm
Nov	17.0 °C	+1.0 °C	26 mm	-56 mm
Dec	12.3 °C	+1.3 °C	56 mm	+9 mm

The year's extremes

Hottest day

39.3 °C

5 Aug 2025

Coldest day

-4.1 °C

5 Jan 2025

Wettest day

48.3 mm

2 May 2025

Windiest day

43.0 km/h

13 Feb 2025

Strongest gust

75.2 km/h

13 Feb 2025

Hottest feels-like

44.7 °C

5 Aug 2025

Coldest feels-like

-8.1 °C

24 Feb 2025

Snowiest day

8.5 cm

19 Mar 2025

Sunniest day

14.0 h

28 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 Miyashiro?

Miyashiro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,321 mm of precipitation per year.

What is the hottest day ever recorded in Miyashiro?

The hottest day measured in Miyashiro between 1940 and 2025 was 3 August 1994, reaching 39.7 °C.

What is the coldest day in Miyashiro?

The coldest day measured in Miyashiro between 1940 and 2025 was 16 February 1967, at -17.0 °C.

Does it snow in Miyashiro?

Yes. Miyashiro gets on average 18.8 cm of snow per year and has around 53 frost days.

Has the climate of Miyashiro warmed?

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

What is the wettest day in Miyashiro?

The wettest day measured in Miyashiro between 1940 and 2025 was 26 September 1958, with 230 mm of rain in 24 hours.

What was the windiest day in Miyashiro?

The windiest day measured in Miyashiro between 1940 and 2025 was 1 October 2018, with winds reaching 72.9 km/h.

What is the warmest month in Miyashiro?

The warmest month in Miyashiro is August (26.9 °C on average); the coldest is January (3.3 °C).

How much does it rain in Miyashiro?

Miyashiro receives on average 1,321 mm of precipitation per year, spread over about 134 rainy days.

Is it sunny in Miyashiro?

Miyashiro 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 Miyashiro?

The heaviest 24-hour snowfall measured in Miyashiro between 1940 and 2025 was 12 March 1969, with 36.2 cm.

Are there tropical nights in Miyashiro?

Yes: Miyashiro has on average 81 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Miyashiro?

In Miyashiro, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 16 August 2007, and the lowest was -21.8 °C on 16 February 1967.

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