Miyoshi climate — normals and trends

Miyoshi (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.2 °C and it receives 1,554 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 (25.3 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in July.

Miyoshi averages 76 frost days, 32 hot days (≥ 30 °C) and 150 rainy days per year.

Miyoshi 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 100 to 52 per year over the period.

The hottest day of the period reached 36.0 °C (on 1 August 2001) and the coldest -14.9 °C (on 10 February 1940).

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

MiyoshiHiroshima

coords
34.80°, 132.85°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

13.2°C

Average daily high

17.9°C

Average daily low

8.9°C

Annual rainfall

1,554mm

Sunshine / day

8.3h

Mean relative humidity

76%

Average peak wind

13.6km/h

Seasonal range

23.6°C

Frost days (< 0 °C)

76 d/yr

Hot days (≥ 30 °C)

32 d/yr

Rainy days (≥ 1 mm)

150 d/yr

Annual snowfall

49.3 cm

Average feels-like high

17.3 °C

Average feels-like low

7.8 °C

Average peak gust

37.2 km/h

Tropical nights (≥ 20 °C)

59 d/yr

Solar radiation

14.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.8 °C

since 1940

+0.3 °C per decade · r² = 0.71 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

36.0 °C

1 August 2001

Coldest day

-14.9 °C

10 February 1940

Wettest day

212 mm

14 August 2021

Windiest day

58.0 km/h

7 September 2004

Strongest gust

174.2 km/h

7 September 2004

Hottest feels-like

41.5 °C

1 August 2001

Coldest feels-like

-18.8 °C

10 February 1940

Snowiest day

28.5 cm

9 March 2010

Sunniest day

14.0 h

27 May 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202535.5 °C3 August 2025-10.0 °C25 February 202513.8 °C1,415 mm6984
202435.3 °C3 August 2024-6.1 °C20 December 202415.2 °C1,843 mm7147
202334.9 °C28 July 2023-9.5 °C26 January 202315.1 °C1,510 mm5352
202233.5 °C2 July 2022-4.0 °C17 February 202214.6 °C1,312 mm4870
202135.4 °C5 August 2021-6.4 °C9 January 202114.6 °C2,169 mm2843
202035.1 °C19 August 2020-2.9 °C11 February 202014.5 °C1,931 mm3939
201934.2 °C2 August 2019-2.8 °C4 January 201914.6 °C1,392 mm3741
201835.0 °C15 July 2018-7.8 °C9 February 201814.4 °C1,805 mm5261
201734.0 °C5 August 2017-12.1 °C25 January 201713.8 °C1,548 mm4262
201635.0 °C13 August 2016-6.7 °C24 January 201614.7 °C1,873 mm4649
201534.5 °C1 August 2015-3.5 °C30 December 201514.2 °C1,621 mm2247
201433.7 °C26 July 2014-5.4 °C15 December 201413.8 °C1,650 mm1768
201335.0 °C20 August 2013-2.9 °C27 January 201314.4 °C1,658 mm4756
201233.9 °C31 July 2012-5.3 °C19 February 201213.9 °C1,394 mm4669
201133.4 °C13 August 2011-5.3 °C16 January 201114.0 °C1,597 mm4973
201035.0 °C4 September 2010-3.9 °C2 January 201014.5 °C1,546 mm5448
200932.4 °C18 July 2009-4.2 °C28 January 200914.1 °C1,439 mm1946
200834.3 °C11 August 2008-3.5 °C7 December 200814.1 °C1,329 mm4859
200734.4 °C26 August 2007-3.3 °C15 January 200714.5 °C1,171 mm4247
200634.9 °C9 August 2006-4.6 °C4 February 200613.9 °C1,580 mm3558
200534.0 °C5 August 2005-4.9 °C22 February 200513.8 °C1,090 mm4375
200433.5 °C30 July 2004-6.4 °C22 January 200414.5 °C2,054 mm4362
200334.1 °C22 August 2003-6.6 °C29 January 200314.0 °C1,663 mm2560
200234.1 °C5 August 2002-5.6 °C13 February 200214.3 °C1,169 mm4853
200136.0 °C1 August 2001-8.8 °C31 January 200113.8 °C1,593 mm4174
200034.6 °C22 July 2000-6.9 °C28 January 200013.9 °C1,481 mm5468
199933.2 °C12 August 1999-7.5 °C23 December 199914.0 °C1,475 mm2565
199834.1 °C3 August 1998-7.9 °C25 January 199814.8 °C1,640 mm3648
199734.1 °C2 September 1997-6.0 °C22 January 199713.7 °C1,696 mm4072
199634.4 °C3 August 1996-7.1 °C2 February 199613.2 °C1,391 mm4093
199534.3 °C3 August 1995-7.8 °C3 February 199513.1 °C1,271 mm4183
199435.8 °C8 August 1994-9.5 °C18 February 199414.5 °C894 mm6365
199331.9 °C26 August 1993-5.2 °C22 January 199313.2 °C2,042 mm570
199233.7 °C29 July 1992-5.5 °C26 February 199213.7 °C1,422 mm2957
199133.9 °C23 July 1991-11.1 °C26 February 199114.0 °C1,587 mm3155
199034.7 °C7 August 1990-11.0 °C26 January 199014.6 °C1,623 mm6049
198932.2 °C12 August 1989-5.0 °C30 January 198913.9 °C1,750 mm2650
198832.7 °C8 August 1988-4.7 °C3 February 198813.1 °C1,597 mm1868
198733.2 °C30 July 1987-6.6 °C3 March 198713.6 °C1,738 mm2360
198633.3 °C30 July 1986-7.9 °C25 February 198612.8 °C1,407 mm3190
198533.8 °C28 July 1985-11.2 °C31 January 198513.4 °C1,790 mm4473
198433.9 °C11 August 1984-12.0 °C5 March 198412.6 °C1,227 mm43103
198333.6 °C5 August 1983-7.5 °C23 January 198313.4 °C1,657 mm3173
198231.1 °C5 August 1982-13.4 °C3 January 198213.1 °C1,686 mm970
198133.1 °C19 July 1981-10.9 °C23 January 198112.3 °C1,329 mm2990
198031.9 °C20 July 1980-10.0 °C26 January 198012.2 °C2,193 mm3101
197933.2 °C30 July 1979-9.6 °C7 February 197913.4 °C1,914 mm2874
197834.5 °C9 July 1978-12.1 °C16 February 197813.5 °C1,226 mm5282
197733.7 °C4 August 1977-11.4 °C19 February 197713.2 °C1,553 mm2585
197631.6 °C14 August 1976-8.5 °C7 December 197612.3 °C2,013 mm1794
197533.3 °C21 July 1975-13.4 °C24 February 197513.3 °C1,779 mm3489
197433.1 °C15 August 1974-10.9 °C12 February 197412.6 °C1,720 mm2287
197334.4 °C22 July 1973-8.1 °C26 December 197313.1 °C1,258 mm4389
197233.4 °C8 August 1972-9.5 °C2 March 197212.9 °C2,350 mm2978
197133.8 °C29 July 1971-10.4 °C11 February 197112.9 °C1,448 mm2781
197034.3 °C24 July 1970-8.9 °C19 January 197012.7 °C1,617 mm35103
196934.2 °C13 August 1969-8.4 °C7 February 196912.8 °C1,382 mm3889
196833.6 °C23 July 1968-13.9 °C13 February 196812.6 °C1,596 mm2288
196734.3 °C24 August 1967-10.3 °C31 December 196713.0 °C1,565 mm5495
196634.0 °C9 August 1966-7.5 °C2 January 196612.3 °C1,807 mm2186
196532.2 °C22 August 1965-13.3 °C31 January 196511.5 °C1,981 mm16104
196433.7 °C13 August 1964-6.9 °C6 February 196413.6 °C1,405 mm4777
196333.1 °C2 August 1963-11.5 °C21 February 196312.4 °C2,072 mm2891
196233.4 °C6 August 1962-7.6 °C4 February 196212.8 °C1,431 mm3483
196133.0 °C17 July 1961-10.0 °C4 February 196113.8 °C1,384 mm4679
196033.9 °C1 August 1960-10.6 °C27 January 196013.4 °C1,352 mm3380
195934.1 °C3 August 1959-7.7 °C17 January 195913.9 °C1,556 mm3456
195833.5 °C31 July 1958-7.5 °C3 January 195813.3 °C1,376 mm3380
195732.6 °C20 July 1957-7.5 °C16 March 195712.5 °C1,757 mm1984
195634.0 °C2 August 1956-8.6 °C5 March 195612.3 °C1,805 mm3396
195532.8 °C11 August 1955-10.3 °C12 January 195513.2 °C1,368 mm4082
195433.3 °C7 August 1954-9.6 °C4 February 195413.1 °C1,723 mm2563
195333.8 °C20 August 1953-8.2 °C19 January 195313.0 °C2,053 mm2774
195232.1 °C2 August 1952-10.3 °C20 February 195212.0 °C1,659 mm1395
195132.9 °C30 July 1951-7.6 °C8 February 195112.2 °C1,355 mm3282
195031.5 °C2 August 1950-8.7 °C20 February 195012.3 °C1,264 mm998
194931.1 °C6 August 1949-7.8 °C9 January 194911.8 °C1,475 mm892
194830.3 °C26 July 1948-7.9 °C3 January 194812.5 °C1,384 mm375
194732.4 °C13 August 1947-10.9 °C5 February 194710.9 °C1,335 mm11111
194634.0 °C25 July 1946-9.2 °C13 March 194612.4 °C949 mm27100
194531.3 °C9 August 1945-12.4 °C18 February 194511.3 °C1,905 mm5106
194431.0 °C2 September 1944-9.5 °C9 January 194412.1 °C1,113 mm8110
194330.4 °C15 August 1943-9.8 °C2 February 194311.5 °C1,085 mm3113
194234.9 °C2 August 1942-11.1 °C14 February 194211.9 °C925 mm38107
194130.9 °C8 August 1941-12.6 °C12 February 194111.8 °C1,321 mm4100
194031.1 °C29 July 1940-14.9 °C10 February 194011.3 °C1,104 mm4109

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?

Across the whole year

Average daily high
19.1 °C
+1.2 °C
Hot days (≥ 30 °C)
69 d/yr
+37
Frost days (< 0 °C)
84 d/yr
+8
Annual rainfall
1415 mm
-140 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan6.0 °C+0.3 °C30 mm-32 mm
Feb3.7 °C-3.1 °C60 mm-10 mm
Mar12.2 °C+0.9 °C145 mm+46 mm
Apr18.6 °C+1.2 °C63 mm-58 mm
May22.0 °C+0.2 °C179 mm+38 mm
Jun27.2 °C+2.3 °C238 mm+17 mm
Jul32.4 °C+3.8 °C62 mm-186 mm
Aug31.5 °C+1.6 °C218 mm+58 mm
Sep27.8 °C+2.0 °C188 mm-11 mm
Oct22.0 °C+1.8 °C137 mm+35 mm
Nov15.1 °C+0.7 °C36 mm-36 mm
Dec9.2 °C+0.7 °C60 mm+0 mm

The year's extremes

Hottest day
35.5 °C
3 Aug 2025
Coldest day
-10.0 °C
25 Feb 2025
Wettest day
87.8 mm
10 Aug 2025
Windiest day
31.1 km/h
5 Feb 2025
Strongest gust
80.3 km/h
13 Apr 2025
Hottest feels-like
40.7 °C
7 Jul 2025
Coldest feels-like
-13.7 °C
25 Feb 2025
Snowiest day
11.8 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 Miyoshi?

Miyoshi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.2 °C and it receives 1,554 mm of precipitation per year.

What is the hottest day ever recorded in Miyoshi?

The hottest day measured in Miyoshi between 1940 and 2025 was 1 August 2001, reaching 36.0 °C.

What is the coldest day in Miyoshi?

The coldest day measured in Miyoshi between 1940 and 2025 was 10 February 1940, at -14.9 °C.

Does it snow in Miyoshi?

Yes. Miyoshi gets on average 49.3 cm of snow per year and has around 76 frost days.

Has the climate of Miyoshi warmed?

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

What is the wettest day in Miyoshi?

The wettest day measured in Miyoshi between 1940 and 2025 was 14 August 2021, with 212 mm of rain in 24 hours.

What was the windiest day in Miyoshi?

The windiest day measured in Miyoshi between 1940 and 2025 was 7 September 2004, with winds reaching 58.0 km/h.

What is the warmest month in Miyoshi?

The warmest month in Miyoshi is August (25.3 °C on average); the coldest is January (1.7 °C).

How much does it rain in Miyoshi?

Miyoshi receives on average 1,554 mm of precipitation per year, spread over about 150 rainy days.

Is it sunny in Miyoshi?

Miyoshi gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.

What is the biggest single-day snowfall in Miyoshi?

The heaviest 24-hour snowfall measured in Miyoshi between 1940 and 2025 was 9 March 2010, with 28.5 cm.

Are there tropical nights in Miyoshi?

Yes: Miyoshi has on average 59 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Miyoshi?

In Miyoshi, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 1 August 2001, and the lowest was -18.8 °C on 10 February 1940.

Compare Miyoshi with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Miyoshi

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