Tōon climate — normals and trends

Tōon (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.6 °C and it receives 1,912 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 (1.9 °C). Rainfall peaks in June.

Tōon averages 64 frost days, 27 hot days (≥ 30 °C) and 166 rainy days per year.

Tōon 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 87 to 41 per year over the period.

The hottest day of the period reached 34.9 °C (on 31 July 1958) and the coldest -14.6 °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

TōonEhime

coords
33.79°, 132.89°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

13.6°C

Average daily high

17.9°C

Average daily low

9.8°C

Annual rainfall

1,912mm

Sunshine / day

8.9h

Mean relative humidity

78%

Average peak wind

10.9km/h

Seasonal range

23.4°C

Frost days (< 0 °C)

64 d/yr

Hot days (≥ 30 °C)

27 d/yr

Rainy days (≥ 1 mm)

166 d/yr

Annual snowfall

38.2 cm

Average feels-like high

17.7 °C

Average feels-like low

9.0 °C

Average peak gust

39.1 km/h

Tropical nights (≥ 20 °C)

70 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.8 °C

since 1940

+0.3 °C per decade · r² = 0.73 · 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

34.9 °C

31 July 1958

Coldest day

-14.6 °C

19 February 1977

Wettest day

190 mm

29 September 2004

Windiest day

46.5 km/h

7 September 2004

Strongest gust

198.7 km/h

7 September 2004

Hottest feels-like

40.9 °C

3 August 2024

Coldest feels-like

-18.7 °C

19 February 1977

Snowiest day

34.0 cm

15 February 1968

Sunniest day

14.0 h

3 June 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202534.1 °C30 July 2025-11.4 °C7 February 202514.5 °C1,743 mm7375
202434.5 °C3 August 2024-3.6 °C24 January 202415.8 °C2,319 mm6642
202333.2 °C27 July 2023-6.8 °C26 January 202315.4 °C1,822 mm4442
202233.0 °C1 July 2022-3.8 °C17 February 202215.0 °C1,491 mm5057
202133.9 °C3 August 2021-6.6 °C9 January 202115.1 °C2,110 mm3142
202033.9 °C19 August 2020-2.6 °C19 February 202015.0 °C2,205 mm4329
201933.2 °C2 August 2019-2.7 °C12 February 201915.1 °C1,889 mm2929
201833.3 °C19 July 2018-7.2 °C14 February 201814.9 °C2,210 mm4448
201732.9 °C1 August 2017-5.1 °C12 February 201714.3 °C2,094 mm4249
201633.3 °C11 August 2016-7.0 °C24 January 201615.4 °C2,116 mm4336
201533.8 °C1 August 2015-4.4 °C1 February 201514.7 °C2,214 mm2331
201434.1 °C26 July 2014-5.4 °C19 December 201414.2 °C2,206 mm1460
201334.5 °C12 August 2013-5.6 °C18 January 201314.7 °C2,098 mm4850
201232.8 °C31 July 2012-4.9 °C3 February 201214.1 °C2,074 mm3356
201132.9 °C13 August 2011-8.7 °C16 February 201114.3 °C2,306 mm3964
201033.5 °C12 September 2010-4.2 °C11 March 201014.8 °C1,935 mm5344
200932.9 °C18 July 2009-4.3 °C15 January 200914.7 °C1,605 mm1833
200833.3 °C3 August 2008-3.1 °C22 January 200814.5 °C1,828 mm4042
200732.3 °C16 August 2007-3.3 °C3 February 200714.9 °C1,554 mm3430
200632.7 °C7 August 2006-4.5 °C4 February 200614.4 °C2,097 mm3444
200532.1 °C5 August 2005-5.2 °C27 February 200514.1 °C1,558 mm3168
200433.2 °C30 July 2004-9.2 °C26 January 200414.8 °C2,596 mm3247
200332.8 °C3 September 2003-9.3 °C7 February 200314.4 °C2,171 mm2655
200233.5 °C5 August 2002-3.7 °C13 February 200214.7 °C1,385 mm3442
200133.7 °C1 August 2001-9.3 °C18 January 200114.3 °C1,962 mm3858
200033.8 °C23 July 2000-6.6 °C27 January 200014.3 °C1,974 mm3452
199931.8 °C9 August 1999-5.7 °C4 February 199914.3 °C1,914 mm1451
199834.4 °C16 August 1998-10.3 °C25 January 199815.4 °C2,078 mm4338
199732.9 °C2 September 1997-6.2 °C5 February 199714.2 °C1,702 mm2959
199633.4 °C1 August 1996-8.4 °C3 February 199613.6 °C1,535 mm3275
199533.9 °C9 August 1995-7.5 °C31 December 199513.6 °C1,519 mm4363
199434.3 °C16 July 1994-7.7 °C18 February 199414.7 °C1,367 mm5859
199331.3 °C25 August 1993-6.5 °C3 February 199313.6 °C2,552 mm856
199233.0 °C30 July 1992-4.9 °C2 February 199214.0 °C1,816 mm2140
199133.8 °C23 July 1991-10.2 °C25 February 199114.4 °C2,030 mm2954
199034.5 °C10 August 1990-8.9 °C26 January 199014.8 °C2,329 mm5339
198931.8 °C12 August 1989-3.4 °C30 January 198914.2 °C2,129 mm936
198832.0 °C9 July 1988-5.3 °C19 February 198813.4 °C1,782 mm1365
198732.3 °C28 August 1987-8.8 °C2 March 198714.0 °C2,150 mm2351
198632.2 °C30 July 1986-8.5 °C13 January 198613.2 °C1,522 mm2875
198532.4 °C31 July 1985-8.2 °C18 December 198513.7 °C1,847 mm3268
198432.7 °C5 July 1984-10.3 °C30 January 198413.0 °C1,492 mm3089
198333.5 °C4 August 1983-8.7 °C21 February 198313.9 °C1,759 mm3166
198230.7 °C14 August 1982-9.0 °C3 February 198213.5 °C2,188 mm760
198131.8 °C21 July 1981-10.9 °C23 January 198112.8 °C1,591 mm2487
198032.1 °C20 July 1980-11.1 °C10 February 198012.7 °C2,500 mm585
197932.8 °C2 August 1979-5.7 °C2 March 197913.8 °C2,272 mm2556
197832.5 °C6 July 1978-10.4 °C23 January 197813.6 °C1,521 mm3676
197731.9 °C27 July 1977-14.6 °C19 February 197713.6 °C2,042 mm2077
197631.6 °C14 August 1976-8.8 °C16 January 197612.8 °C2,417 mm1684
197532.3 °C3 August 1975-10.7 °C19 February 197513.5 °C2,554 mm1766
197431.3 °C15 August 1974-10.6 °C12 February 197413.1 °C1,909 mm1869
197332.3 °C11 August 1973-8.3 °C24 December 197313.3 °C1,747 mm3680
197232.1 °C17 August 1972-7.0 °C2 March 197213.4 °C2,622 mm2070
197133.1 °C3 July 1971-9.9 °C3 February 197113.3 °C2,031 mm2279
197033.3 °C23 July 1970-8.9 °C7 February 197013.1 °C2,110 mm3289
196933.4 °C30 July 1969-10.3 °C9 January 196913.3 °C1,757 mm3880
196832.7 °C23 July 1968-13.6 °C13 February 196812.9 °C1,879 mm1583
196733.1 °C25 August 1967-9.9 °C17 January 196713.4 °C1,638 mm4481
196632.7 °C8 August 1966-7.5 °C8 February 196612.6 °C2,132 mm1571
196530.9 °C29 July 1965-8.6 °C8 February 196511.9 °C1,977 mm692
196432.7 °C25 July 1964-8.8 °C3 February 196414.0 °C1,842 mm4262
196332.9 °C21 July 1963-10.7 °C14 January 196312.8 °C2,386 mm2192
196233.3 °C8 August 1962-10.6 °C3 February 196213.1 °C1,820 mm2476
196132.1 °C17 July 1961-10.5 °C21 January 196114.1 °C1,898 mm3971
196033.0 °C1 August 1960-12.1 °C27 January 196013.7 °C1,749 mm2666
195933.4 °C3 August 1959-9.8 °C20 January 195914.2 °C2,160 mm3254
195834.9 °C31 July 1958-8.1 °C21 January 195813.7 °C1,668 mm2663
195732.4 °C1 August 1957-7.4 °C28 February 195712.9 °C2,298 mm1070
195633.2 °C12 August 1956-8.6 °C10 January 195612.9 °C2,070 mm3484
195532.0 °C1 August 1955-10.5 °C11 January 195513.6 °C1,636 mm2264
195432.2 °C13 August 1954-9.1 °C8 February 195413.5 °C2,049 mm2058
195332.7 °C19 August 1953-11.9 °C23 February 195313.3 °C2,181 mm2365
195231.7 °C3 August 1952-8.4 °C6 February 195212.6 °C1,930 mm671
195131.9 °C30 July 1951-10.3 °C16 February 195112.4 °C1,713 mm2175
195030.2 °C7 July 1950-7.8 °C19 February 195012.5 °C1,769 mm288
194929.6 °C6 August 1949-9.6 °C17 January 194912.2 °C1,816 mm074
194829.7 °C19 August 1948-9.4 °C30 January 194812.9 °C1,648 mm063
194731.8 °C14 August 1947-11.4 °C21 February 194711.3 °C1,310 mm1190
194633.7 °C16 July 1946-5.9 °C12 January 194612.8 °C1,328 mm2082
194529.9 °C6 September 1945-11.9 °C18 February 194511.6 °C2,346 mm097
194430.1 °C1 September 1944-8.9 °C9 January 194412.5 °C1,334 mm197
194330.1 °C15 August 1943-10.9 °C13 January 194312.0 °C1,294 mm185
194233.2 °C2 August 1942-11.6 °C17 January 194212.3 °C1,165 mm2288
194129.9 °C11 August 1941-11.8 °C1 February 194112.4 °C1,728 mm083
194030.7 °C24 July 1940-12.6 °C1 February 194011.7 °C1,293 mm296

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
19.3 °C
+1.4 °C
Hot days (≥ 30 °C)
73 d/yr
+46
Frost days (< 0 °C)
75 d/yr
+11
Annual rainfall
1743 mm
-169 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan6.1 °C+0.2 °C45 mm-24 mm
Feb5.2 °C-1.7 °C56 mm-30 mm
Mar12.9 °C+1.6 °C118 mm-2 mm
Apr18.3 °C+1.0 °C103 mm-47 mm
May21.7 °C+0.2 °C270 mm+93 mm
Jun26.8 °C+2.2 °C355 mm+66 mm
Jul31.3 °C+2.9 °C78 mm-194 mm
Aug31.1 °C+1.8 °C194 mm-11 mm
Sep28.3 °C+2.6 °C220 mm-17 mm
Oct22.7 °C+2.5 °C219 mm+74 mm
Nov15.5 °C+0.9 °C44 mm-49 mm
Dec10.5 °C+1.8 °C42 mm-29 mm

The year's extremes

Hottest day
34.1 °C
30 Jul 2025
Coldest day
-11.4 °C
7 Feb 2025
Wettest day
67.2 mm
31 Oct 2025
Windiest day
25.3 km/h
7 Jan 2025
Strongest gust
85.7 km/h
5 Feb 2025
Hottest feels-like
40.8 °C
3 Aug 2025
Coldest feels-like
-15.5 °C
7 Feb 2025
Snowiest day
4.6 cm
1 Feb 2025
Sunniest day
14.0 h
20 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 Tōon?

Tōon has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.6 °C and it receives 1,912 mm of precipitation per year.

What is the hottest day ever recorded in Tōon?

The hottest day measured in Tōon between 1940 and 2025 was 31 July 1958, reaching 34.9 °C.

What is the coldest day in Tōon?

The coldest day measured in Tōon between 1940 and 2025 was 19 February 1977, at -14.6 °C.

Does it snow in Tōon?

Yes. Tōon gets on average 38.2 cm of snow per year and has around 64 frost days.

Has the climate of Tōon warmed?

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

What is the wettest day in Tōon?

The wettest day measured in Tōon between 1940 and 2025 was 29 September 2004, with 190 mm of rain in 24 hours.

What was the windiest day in Tōon?

The windiest day measured in Tōon between 1940 and 2025 was 7 September 2004, with winds reaching 46.5 km/h.

What is the warmest month in Tōon?

The warmest month in Tōon is August (25.3 °C on average); the coldest is January (1.9 °C).

How much does it rain in Tōon?

Tōon receives on average 1,912 mm of precipitation per year, spread over about 166 rainy days.

Is it sunny in Tōon?

Tōon gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Tōon?

The heaviest 24-hour snowfall measured in Tōon between 1940 and 2025 was 15 February 1968, with 34.0 cm.

Are there tropical nights in Tōon?

Yes: Tōon has on average 70 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Tōon?

In Tōon, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 3 August 2024, and the lowest was -18.7 °C on 19 February 1977.

Compare Tōon with another city

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

Nearby cities

The climate around Tōon

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