Uchiko climate — normals and trends

Uchiko (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 1,801 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 (25.5 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in June.

Uchiko averages 65 frost days, 31 hot days (≥ 30 °C) and 159 rainy days per year.

Uchiko has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.

The number of frost days there went from about 88 to 42 per year over the period.

The hottest day of the period reached 36.4 °C (on 12 August 2013) and the coldest -14.3 °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

UchikoEhime

coords
33.55°, 132.65°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

14.0°C

Average daily high

18.6°C

Average daily low

9.8°C

Annual rainfall

1,801mm

Sunshine / day

8.6h

Mean relative humidity

76%

Average peak wind

12.8km/h

Seasonal range

23.0°C

Frost days (< 0 °C)

65 d/yr

Hot days (≥ 30 °C)

31 d/yr

Rainy days (≥ 1 mm)

159 d/yr

Annual snowfall

28.0 cm

Average feels-like high

18.4 °C

Average feels-like low

8.9 °C

Average peak gust

40.6 km/h

Tropical nights (≥ 20 °C)

69 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.9 °C

since 1940

+0.3 °C per decade · r² = 0.75 · 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

36.4 °C

12 August 2013

Coldest day

-14.3 °C

19 February 1977

Wettest day

166 mm

25 October 2013

Windiest day

50.9 km/h

7 September 2004

Strongest gust

186.1 km/h

7 September 2004

Hottest feels-like

41.7 °C

17 July 1994

Coldest feels-like

-18.4 °C

19 February 1977

Snowiest day

23.9 cm

15 February 1968

Sunniest day

13.9 h

20 June 2025

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202535.1 °C2 August 2025-10.0 °C9 February 202515.0 °C1,648 mm7274
202435.6 °C3 August 2024-5.1 °C25 December 202416.3 °C2,183 mm6942
202333.9 °C27 July 2023-5.3 °C25 January 202315.8 °C1,683 mm4945
202233.2 °C1 July 2022-3.6 °C8 January 202215.4 °C1,476 mm5359
202133.5 °C31 July 2021-6.6 °C9 January 202115.4 °C1,970 mm3342
202035.0 °C17 August 2020-3.2 °C19 February 202015.4 °C2,152 mm4531
201933.8 °C2 August 2019-3.2 °C4 January 201915.4 °C1,852 mm3328
201834.3 °C7 August 2018-9.7 °C14 February 201815.3 °C2,017 mm4653
201733.7 °C1 August 2017-5.5 °C26 January 201714.6 °C2,019 mm4549
201635.1 °C11 August 2016-6.4 °C24 January 201615.8 °C2,042 mm4844
201534.6 °C1 August 2015-3.0 °C9 February 201515.1 °C2,090 mm2536
201434.9 °C26 July 2014-8.3 °C19 December 201414.6 °C2,064 mm2054
201336.4 °C12 August 2013-3.6 °C29 January 201315.1 °C1,946 mm5450
201232.7 °C31 July 2012-5.0 °C3 February 201214.4 °C2,059 mm3559
201133.8 °C13 August 2011-6.7 °C17 January 201114.8 °C2,102 mm4367
201034.1 °C18 August 2010-4.0 °C27 January 201015.2 °C1,900 mm5642
200932.6 °C18 July 2009-3.4 °C24 January 200915.1 °C1,609 mm3036
200834.9 °C3 August 2008-3.3 °C25 February 200814.9 °C1,767 mm4946
200733.0 °C16 August 2007-3.6 °C3 February 200715.3 °C1,475 mm4734
200633.4 °C15 July 2006-4.1 °C9 January 200614.8 °C1,982 mm3746
200533.3 °C5 August 2005-5.2 °C18 December 200514.5 °C1,441 mm4266
200435.0 °C30 July 2004-8.4 °C26 January 200415.1 °C2,358 mm3851
200333.6 °C4 September 2003-8.3 °C7 February 200314.8 °C2,013 mm3050
200234.5 °C5 August 2002-3.9 °C9 March 200215.1 °C1,365 mm4335
200135.0 °C4 August 2001-8.1 °C18 January 200114.7 °C1,829 mm4957
200034.5 °C24 August 2000-4.5 °C29 January 200014.8 °C1,816 mm4351
199932.0 °C22 August 1999-5.2 °C4 February 199914.7 °C1,805 mm1851
199835.1 °C16 August 1998-10.3 °C25 January 199815.8 °C1,984 mm5341
199734.1 °C2 September 1997-7.3 °C5 February 199714.6 °C1,600 mm3558
199633.7 °C1 August 1996-7.2 °C8 February 199614.0 °C1,520 mm3776
199534.9 °C9 August 1995-6.8 °C31 December 199514.0 °C1,463 mm4760
199435.3 °C16 July 1994-7.5 °C18 February 199415.1 °C1,325 mm6661
199331.6 °C11 July 1993-3.9 °C22 January 199313.9 °C2,462 mm963
199233.9 °C30 July 1992-6.8 °C2 February 199214.4 °C1,763 mm2643
199134.2 °C25 July 1991-10.7 °C26 February 199114.8 °C1,888 mm3756
199035.9 °C10 August 1990-6.8 °C26 January 199015.2 °C2,325 mm6242
198932.9 °C12 August 1989-4.0 °C30 January 198914.5 °C1,944 mm1745
198832.2 °C9 July 1988-5.4 °C4 February 198813.8 °C1,681 mm1867
198732.6 °C28 August 1987-8.0 °C28 February 198714.4 °C2,025 mm2654
198632.5 °C30 July 1986-8.9 °C12 January 198613.6 °C1,483 mm3478
198533.1 °C31 July 1985-8.5 °C15 January 198514.2 °C1,703 mm3667
198433.4 °C9 August 1984-9.7 °C30 January 198413.5 °C1,412 mm3590
198334.8 °C4 August 1983-10.1 °C22 February 198314.3 °C1,601 mm3568
198231.0 °C31 July 1982-8.3 °C3 February 198213.9 °C2,131 mm1062
198133.3 °C30 July 1981-10.6 °C15 January 198113.3 °C1,509 mm2983
198032.7 °C20 July 1980-9.7 °C10 February 198013.2 °C2,380 mm782
197933.4 °C2 August 1979-4.6 °C2 February 197914.1 °C2,146 mm2766
197833.1 °C21 July 1978-9.1 °C16 February 197814.1 °C1,416 mm4073
197732.6 °C14 July 1977-14.3 °C19 February 197714.1 °C1,968 mm2673
197632.1 °C14 August 1976-10.3 °C16 January 197613.3 °C2,194 mm2080
197532.8 °C24 July 1975-10.9 °C24 February 197513.9 °C2,420 mm2067
197433.9 °C15 August 1974-9.4 °C12 February 197413.5 °C1,739 mm2075
197333.8 °C21 July 1973-8.3 °C27 December 197313.7 °C1,696 mm3676
197232.7 °C4 August 1972-5.8 °C1 March 197213.7 °C2,598 mm2273
197133.4 °C3 July 1971-9.3 °C11 February 197113.7 °C1,875 mm2876
197033.7 °C23 July 1970-9.5 °C19 January 197013.5 °C1,779 mm3488
196934.6 °C11 August 1969-10.2 °C10 January 196913.7 °C1,726 mm4080
196833.2 °C23 July 1968-11.0 °C13 February 196813.3 °C1,701 mm2083
196733.9 °C17 August 1967-9.6 °C31 December 196713.8 °C1,561 mm4983
196634.2 °C8 August 1966-6.6 °C28 January 196613.0 °C2,020 mm2375
196531.5 °C23 August 1965-7.8 °C8 February 196512.2 °C1,905 mm1595
196433.2 °C14 August 1964-9.4 °C6 February 196414.4 °C1,691 mm4469
196333.6 °C21 July 1963-11.0 °C14 January 196313.2 °C2,183 mm2991
196233.2 °C25 July 1962-9.8 °C3 February 196213.4 °C1,742 mm2778
196133.4 °C23 August 1961-10.4 °C21 January 196114.5 °C1,737 mm4673
196033.9 °C1 August 1960-11.6 °C27 January 196014.0 °C1,629 mm3168
195933.7 °C3 August 1959-10.1 °C20 January 195914.5 °C2,046 mm3954
195834.7 °C31 July 1958-8.6 °C25 January 195814.1 °C1,539 mm3066
195732.3 °C20 July 1957-5.6 °C27 March 195713.2 °C2,151 mm1369
195633.8 °C4 August 1956-8.6 °C27 December 195613.3 °C1,921 mm3681
195532.6 °C20 August 1955-9.8 °C12 January 195513.8 °C1,534 mm2972
195432.9 °C25 August 1954-8.4 °C6 February 195413.8 °C1,927 mm2163
195333.4 °C19 August 1953-11.2 °C23 February 195313.6 °C2,035 mm2771
195232.6 °C3 August 1952-6.4 °C6 February 195213.1 °C1,719 mm1069
195132.8 °C30 July 1951-10.8 °C16 February 195112.8 °C1,632 mm2874
195030.5 °C7 July 1950-10.1 °C22 February 195012.9 °C1,693 mm487
194930.2 °C6 August 1949-8.8 °C17 January 194912.5 °C1,777 mm183
194830.2 °C20 August 1948-8.7 °C30 January 194813.2 °C1,539 mm266
194732.4 °C14 August 1947-9.7 °C6 February 194711.7 °C1,153 mm1992
194634.7 °C16 July 1946-6.7 °C2 January 194613.2 °C1,268 mm2681
194530.2 °C7 August 1945-10.3 °C18 February 194512.1 °C2,102 mm496
194430.7 °C1 September 1944-8.8 °C9 January 194412.8 °C1,220 mm596
194331.1 °C15 August 1943-10.4 °C19 January 194312.3 °C1,204 mm296
194234.3 °C1 August 1942-10.8 °C18 January 194212.6 °C1,011 mm3092
194130.8 °C17 August 1941-12.1 °C1 February 194112.7 °C1,607 mm583
194031.2 °C29 July 1940-11.3 °C5 February 194012.1 °C1,193 mm398

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
20.0 °C
+1.4 °C
Hot days (≥ 30 °C)
72 d/yr
+41
Frost days (< 0 °C)
74 d/yr
+9
Annual rainfall
1648 mm
-153 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan7.2 °C+0.3 °C43 mm-23 mm
Feb6.3 °C-1.8 °C63 mm-21 mm
Mar14.1 °C+1.8 °C112 mm-5 mm
Apr18.8 °C+0.8 °C112 mm-35 mm
May22.3 °C+0.2 °C269 mm+97 mm
Jun27.0 °C+2.0 °C300 mm+19 mm
Jul31.5 °C+2.8 °C82 mm-173 mm
Aug31.5 °C+1.8 °C171 mm-18 mm
Sep28.9 °C+2.5 °C205 mm-3 mm
Oct23.7 °C+2.6 °C211 mm+79 mm
Nov16.4 °C+0.9 °C42 mm-44 mm
Dec11.4 °C+1.8 °C39 mm-26 mm

The year's extremes

Hottest day
35.1 °C
2 Aug 2025
Coldest day
-10.0 °C
9 Feb 2025
Wettest day
64.4 mm
4 Sep 2025
Windiest day
27.9 km/h
7 Jan 2025
Strongest gust
83.5 km/h
5 Feb 2025
Hottest feels-like
41.4 °C
3 Aug 2025
Coldest feels-like
-14.0 °C
9 Feb 2025
Snowiest day
2.9 cm
9 Jan 2025
Sunniest day
13.9 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 Uchiko?

Uchiko has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,801 mm of precipitation per year.

What is the hottest day ever recorded in Uchiko?

The hottest day measured in Uchiko between 1940 and 2025 was 12 August 2013, reaching 36.4 °C.

What is the coldest day in Uchiko?

The coldest day measured in Uchiko between 1940 and 2025 was 19 February 1977, at -14.3 °C.

Does it snow in Uchiko?

Yes. Uchiko gets on average 28.0 cm of snow per year and has around 65 frost days.

Has the climate of Uchiko warmed?

Yes: Uchiko warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Uchiko?

The wettest day measured in Uchiko between 1940 and 2025 was 25 October 2013, with 166 mm of rain in 24 hours.

What was the windiest day in Uchiko?

The windiest day measured in Uchiko between 1940 and 2025 was 7 September 2004, with winds reaching 50.9 km/h.

What is the warmest month in Uchiko?

The warmest month in Uchiko is August (25.5 °C on average); the coldest is January (2.5 °C).

How much does it rain in Uchiko?

Uchiko receives on average 1,801 mm of precipitation per year, spread over about 159 rainy days.

Is it sunny in Uchiko?

Uchiko gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

What is the biggest single-day snowfall in Uchiko?

The heaviest 24-hour snowfall measured in Uchiko between 1940 and 2025 was 15 February 1968, with 23.9 cm.

Are there tropical nights in Uchiko?

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

What was the most extreme apparent temperature in Uchiko?

In Uchiko, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 17 July 1994, and the lowest was -18.4 °C on 19 February 1977.

Compare Uchiko with another city

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Nearby cities

The climate around Uchiko

Other cities — Japan