Hashimoto climate — normals and trends

Hashimoto (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 1,726 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 (26.1 °C on average) and the coldest is January (3.1 °C). Rainfall peaks in June.

Hashimoto averages 54 frost days, 34 hot days (≥ 30 °C) and 155 rainy days per year.

Hashimoto 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 81 to 27 per year over the period.

The hottest day of the period reached 37.1 °C (on 16 July 1994) and the coldest -13.0 °C (on 17 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

HashimotoWakayama

coords
34.32°, 135.62°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

14.4°C

Average daily high

18.6°C

Average daily low

10.3°C

Annual rainfall

1,726mm

Sunshine / day

8.9h

Mean relative humidity

74%

Average peak wind

13.4km/h

Seasonal range

23.0°C

Frost days (< 0 °C)

54 d/yr

Hot days (≥ 30 °C)

34 d/yr

Rainy days (≥ 1 mm)

155 d/yr

Annual snowfall

24.9 cm

Average feels-like high

18.3 °C

Average feels-like low

9.3 °C

Average peak gust

39.6 km/h

Tropical nights (≥ 20 °C)

73 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 = 0.70 · 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

37.1 °C

16 July 1994

Coldest day

-13.0 °C

17 February 1977

Wettest day

173 mm

22 October 2017

Windiest day

60.8 km/h

26 September 1959

Strongest gust

176.4 km/h

4 September 2018

Hottest feels-like

42.9 °C

8 August 1994

Coldest feels-like

-17.3 °C

17 February 1977

Snowiest day

25.5 cm

15 February 1968

Sunniest day

14.0 h

3 June 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202535.9 °C29 July 2025-5.2 °C9 February 202515.5 °C1,534 mm8055
202435.9 °C3 August 2024-3.0 °C25 January 202416.5 °C2,005 mm6926
202334.9 °C13 August 2023-7.6 °C26 January 202316.2 °C1,735 mm6527
202234.5 °C1 July 2022-6.1 °C2 January 202215.8 °C1,593 mm6040
202135.1 °C5 August 2021-3.8 °C9 January 202115.9 °C1,970 mm3525
202035.6 °C17 August 2020-2.9 °C31 December 202015.9 °C1,948 mm4616
201935.1 °C11 August 2019-2.8 °C10 January 201915.8 °C1,871 mm3820
201835.3 °C22 August 2018-4.6 °C9 February 201815.8 °C1,957 mm5441
201734.1 °C6 August 2017-4.6 °C26 January 201715.1 °C1,716 mm5335
201634.8 °C21 August 2016-4.6 °C24 January 201616.1 °C1,971 mm5029
201533.8 °C1 August 2015-2.6 °C3 January 201515.6 °C2,191 mm3024
201435.2 °C25 July 2014-2.7 °C20 January 201415.0 °C1,629 mm2641
201335.7 °C12 August 2013-4.1 °C16 January 201315.3 °C1,704 mm4939
201233.9 °C3 August 2012-5.2 °C19 February 201214.8 °C1,784 mm5145
201133.2 °C9 August 2011-4.0 °C16 February 201115.1 °C2,226 mm4744
201035.2 °C18 August 2010-2.2 °C17 January 201015.6 °C1,723 mm5723
200932.8 °C8 August 2009-1.7 °C24 January 200915.3 °C1,852 mm2423
200834.2 °C27 July 2008-2.5 °C15 January 200815.2 °C1,608 mm4635
200734.2 °C16 August 2007-2.8 °C5 February 200715.6 °C1,289 mm4716
200634.3 °C7 August 2006-4.2 °C4 February 200615.1 °C1,883 mm4039
200533.2 °C5 August 2005-3.2 °C10 January 200514.9 °C1,397 mm3849
200433.8 °C28 July 2004-4.4 °C18 January 200415.7 °C1,843 mm4843
200332.8 °C3 September 2003-5.5 °C7 January 200314.7 °C2,100 mm2952
200235.9 °C17 August 2002-5.3 °C14 February 200215.2 °C1,457 mm4830
200136.5 °C1 August 2001-7.7 °C18 January 200114.9 °C1,502 mm5149
200034.3 °C22 July 2000-5.9 °C28 February 200015.1 °C1,561 mm5048
199933.5 °C25 July 1999-7.0 °C14 February 199915.0 °C1,574 mm3045
199834.1 °C16 August 1998-6.9 °C25 January 199815.9 °C1,814 mm4731
199733.2 °C2 September 1997-6.8 °C5 February 199714.7 °C1,632 mm3854
199634.0 °C10 August 1996-7.7 °C20 February 199614.1 °C1,484 mm3769
199536.7 °C19 August 1995-6.5 °C18 January 199514.3 °C1,440 mm4455
199437.1 °C16 July 1994-6.0 °C25 January 199415.7 °C1,075 mm6951
199331.7 °C26 August 1993-6.0 °C3 February 199314.4 °C2,202 mm1034
199232.4 °C29 July 1992-4.8 °C2 February 199214.7 °C1,621 mm3536
199134.5 °C17 August 1991-10.4 °C26 February 199115.2 °C1,952 mm4240
199035.2 °C3 August 1990-7.2 °C26 January 199015.5 °C1,840 mm6230
198932.7 °C20 August 1989-3.5 °C16 January 198914.8 °C1,724 mm2634
198832.0 °C1 August 1988-3.8 °C22 February 198814.1 °C1,731 mm1753
198733.7 °C30 August 1987-6.4 °C14 January 198714.8 °C1,493 mm3645
198633.0 °C30 July 1986-7.0 °C3 March 198613.9 °C1,375 mm3767
198534.0 °C26 July 1985-6.5 °C31 January 198514.5 °C1,681 mm4255
198433.3 °C10 August 1984-9.1 °C12 February 198413.7 °C1,337 mm4586
198334.8 °C15 August 1983-6.3 °C23 January 198314.5 °C1,592 mm3459
198231.9 °C25 August 1982-8.4 °C3 February 198214.1 °C2,086 mm1054
198133.5 °C21 August 1981-7.2 °C26 February 198113.6 °C1,447 mm2970
198032.2 °C21 July 1980-9.5 °C17 February 198013.7 °C2,329 mm670
197932.4 °C1 August 1979-3.8 °C3 January 197914.5 °C1,898 mm2853
197834.0 °C27 July 1978-8.2 °C4 February 197814.6 °C1,327 mm5858
197733.2 °C4 August 1977-13.0 °C17 February 197714.5 °C1,871 mm2763
197632.4 °C14 August 1976-8.5 °C30 December 197613.7 °C2,043 mm1359
197533.3 °C28 July 1975-8.8 °C17 February 197514.2 °C2,299 mm3261
197432.0 °C16 August 1974-8.9 °C12 February 197413.8 °C1,929 mm2562
197334.3 °C10 August 1973-6.7 °C25 December 197314.2 °C1,671 mm4262
197233.5 °C5 August 1972-6.3 °C2 March 197214.3 °C2,448 mm2749
197133.0 °C28 August 1971-6.9 °C11 February 197113.8 °C2,003 mm2666
197033.5 °C5 August 1970-7.3 °C20 January 197013.7 °C1,985 mm4073
196933.8 °C13 August 1969-7.0 °C10 January 196913.9 °C1,754 mm3863
196832.1 °C10 August 1968-8.0 °C21 February 196813.6 °C1,963 mm1965
196733.1 °C17 August 1967-8.1 °C20 February 196714.1 °C1,619 mm4374
196632.7 °C9 August 1966-7.6 °C25 January 196613.2 °C1,985 mm1965
196531.6 °C5 August 1965-8.0 °C18 January 196512.5 °C1,909 mm693
196433.8 °C17 August 1964-5.9 °C27 February 196414.8 °C1,780 mm5250
196333.6 °C18 July 1963-9.0 °C23 January 196313.9 °C1,755 mm3877
196233.3 °C22 July 1962-8.0 °C28 January 196214.1 °C1,721 mm3865
196134.3 °C13 August 1961-7.2 °C4 February 196115.2 °C1,784 mm6269
196034.4 °C2 August 1960-5.7 °C26 January 196014.6 °C1,639 mm3550
195934.0 °C4 August 1959-9.9 °C20 January 195915.1 °C2,059 mm4344
195833.6 °C31 July 1958-7.8 °C31 March 195814.6 °C1,734 mm3143
195732.5 °C1 August 1957-4.3 °C9 January 195713.9 °C1,927 mm2257
195635.0 °C3 August 1956-6.7 °C10 January 195614.0 °C1,833 mm4172
195533.1 °C11 August 1955-8.4 °C9 January 195514.6 °C1,803 mm4549
195434.3 °C14 August 1954-8.3 °C3 February 195414.3 °C1,826 mm2654
195333.5 °C21 August 1953-9.7 °C23 February 195314.1 °C2,086 mm2556
195231.3 °C2 August 1952-6.2 °C6 February 195213.0 °C1,855 mm1373
195132.2 °C28 July 1951-11.5 °C16 February 195113.0 °C1,619 mm2672
195030.9 °C17 July 1950-7.2 °C16 February 195013.2 °C1,413 mm585
194931.1 °C7 August 1949-6.9 °C10 January 194912.9 °C1,608 mm374
194830.1 °C20 August 1948-5.0 °C4 January 194813.4 °C1,448 mm167
194732.2 °C13 August 1947-11.2 °C6 February 194712.1 °C1,105 mm1791
194633.6 °C25 July 1946-6.9 °C2 January 194613.3 °C1,223 mm1784
194530.3 °C1 August 1945-9.5 °C29 January 194512.4 °C2,111 mm397
194430.1 °C1 September 1944-5.5 °C9 January 194413.2 °C1,304 mm385
194329.9 °C13 August 1943-9.2 °C13 January 194312.7 °C1,009 mm093
194233.0 °C4 August 1942-11.0 °C14 February 194213.0 °C900 mm3182
194130.4 °C20 August 1941-8.7 °C2 February 194112.9 °C1,602 mm581
194029.9 °C24 July 1940-11.1 °C10 February 194012.3 °C1,156 mm090

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
20.1 °C
+1.5 °C
Hot days (≥ 30 °C)
80 d/yr
+46
Frost days (< 0 °C)
55 d/yr
+1
Annual rainfall
1534 mm
-192 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan7.8 °C+0.8 °C40 mm-37 mm
Feb6.5 °C-1.3 °C48 mm-38 mm
Mar13.6 °C+1.7 °C86 mm-35 mm
Apr19.0 °C+1.4 °C83 mm-54 mm
May22.4 °C+0.5 °C272 mm+108 mm
Jun27.0 °C+2.0 °C220 mm-39 mm
Jul32.2 °C+3.4 °C96 mm-124 mm
Aug32.1 °C+1.8 °C193 mm+43 mm
Sep29.7 °C+3.1 °C137 mm-56 mm
Oct22.6 °C+1.8 °C244 mm+92 mm
Nov15.7 °C+0.3 °C44 mm-52 mm
Dec11.6 °C+1.8 °C72 mm-2 mm

The year's extremes

Hottest day
35.9 °C
29 Jul 2025
Coldest day
-5.2 °C
9 Feb 2025
Wettest day
114.7 mm
11 Aug 2025
Windiest day
28.8 km/h
5 Feb 2025
Strongest gust
85.0 km/h
17 May 2025
Hottest feels-like
40.7 °C
29 Jul 2025
Coldest feels-like
-10.1 °C
8 Feb 2025
Snowiest day
1.8 cm
24 Feb 2025
Sunniest day
14.0 h
5 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 Hashimoto?

Hashimoto has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,726 mm of precipitation per year.

What is the hottest day ever recorded in Hashimoto?

The hottest day measured in Hashimoto between 1940 and 2025 was 16 July 1994, reaching 37.1 °C.

What is the coldest day in Hashimoto?

The coldest day measured in Hashimoto between 1940 and 2025 was 17 February 1977, at -13.0 °C.

Does it snow in Hashimoto?

Yes. Hashimoto gets on average 24.9 cm of snow per year and has around 54 frost days.

Has the climate of Hashimoto warmed?

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

What is the wettest day in Hashimoto?

The wettest day measured in Hashimoto between 1940 and 2025 was 22 October 2017, with 173 mm of rain in 24 hours.

What was the windiest day in Hashimoto?

The windiest day measured in Hashimoto between 1940 and 2025 was 26 September 1959, with winds reaching 60.8 km/h.

What is the warmest month in Hashimoto?

The warmest month in Hashimoto is August (26.1 °C on average); the coldest is January (3.1 °C).

How much does it rain in Hashimoto?

Hashimoto receives on average 1,726 mm of precipitation per year, spread over about 155 rainy days.

Is it sunny in Hashimoto?

Hashimoto 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 Hashimoto?

The heaviest 24-hour snowfall measured in Hashimoto between 1940 and 2025 was 15 February 1968, with 25.5 cm.

Are there tropical nights in Hashimoto?

Yes: Hashimoto has on average 73 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hashimoto?

In Hashimoto, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 8 August 1994, and the lowest was -17.3 °C on 17 February 1977.

Compare Hashimoto with another city

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Nearby cities

The climate around Hashimoto

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