Shibata climate — normals and trends

Q: What is the climate of Shibata?

Shibata has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.9 °C and it receives 2,150 mm of precipitation per year.

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

The hottest day measured in Shibata between 1940 and 2025 was 23 August 2023, reaching 37.2 °C.

Q: What is the coldest day in Shibata?

The coldest day measured in Shibata between 1940 and 2025 was 12 February 1942, at -9.0 °C.

Q: Does it snow in Shibata?

Yes. Shibata gets on average 239.5 cm of snow per year and has around 49 frost days.

Q: Has the climate of Shibata warmed?

Yes: Shibata warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Shibata?

The wettest day measured in Shibata between 1940 and 2025 was 26 July 1983, with 153 mm of rain in 24 hours.

Q: What was the windiest day in Shibata?

The windiest day measured in Shibata between 1940 and 2025 was 28 September 1991, with winds reaching 62.8 km/h.

Q: What is the warmest month in Shibata?

The warmest month in Shibata is August (25.7 °C on average); the coldest is January (1.7 °C).

Q: How much does it rain in Shibata?

Shibata receives on average 2,150 mm of precipitation per year, spread over about 227 rainy days.

Q: Is it sunny in Shibata?

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

Shibata (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.9 °C and it receives 2,150 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 (25.7 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in July.

Shibata averages 49 frost days, 19 hot days (≥ 30 °C) and 227 rainy days per year.

Shibata has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The number of frost days there went from about 73 to 25 per year over the period.

The hottest day of the period reached 37.2 °C (on 23 August 2023) and the coldest -9.0 °C (on 12 February 1942).

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

ShibataNiigata

coords: 37.95°, 139.33°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthApril

Mean daily temperature

12.9°C

Average daily high

16.0°C

Average daily low

10.0°C

Annual rainfall

2,150mm

Sunshine / day

8.3h

Mean relative humidity

77%

Average peak wind

16.8km/h

Seasonal range

24.0°C

Frost days (< 0 °C)

49 d/yr

Hot days (≥ 30 °C)

19 d/yr

Rainy days (≥ 1 mm)

227 d/yr

Annual snowfall

239.5 cm

Average feels-like high

15.4 °C

Average feels-like low

8.3 °C

Average peak gust

36.7 km/h

Tropical nights (≥ 20 °C)

64 d/yr

Solar radiation

13.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.65 · 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

37.2 °C

23 August 2023

Coldest day

-9.0 °C

12 February 1942

Wettest day

153 mm

26 July 1983

Windiest day

62.8 km/h

28 September 1991

Strongest gust

138.2 km/h

18 September 1945

Hottest feels-like

43.5 °C

23 August 2023

Coldest feels-like

-14.6 °C

12 February 1942

Snowiest day

17.0 cm

25 February 1965

Sunniest day

14.2 h

12 June 1986

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.6 °C31 July 2025	-2.6 °C24 February 2025	14.4 °C	2,440 mm	48	24
2024	34.4 °C23 August 2024	-5.4 °C11 January 2024	14.8 °C	2,537 mm	40	23
2023	37.2 °C23 August 2023	-4.6 °C25 January 2023	15.1 °C	2,193 mm	55	34
2022	34.4 °C1 August 2022	-3.6 °C6 January 2022	14.1 °C	2,228 mm	40	39
2021	35.3 °C3 August 2021	-4.9 °C1 February 2021	14.2 °C	2,299 mm	26	46
2020	35.7 °C3 September 2020	-4.3 °C12 February 2020	14.4 °C	2,477 mm	29	15
2019	36.6 °C15 August 2019	-2.9 °C26 January 2019	14.3 °C	2,063 mm	29	19
2018	36.9 °C29 July 2018	-6.5 °C15 January 2018	14.1 °C	2,250 mm	35	50
2017	35.1 °C7 August 2017	-3.8 °C14 January 2017	13.4 °C	2,472 mm	16	30
2016	35.8 °C7 August 2016	-7.3 °C16 January 2016	14.1 °C	1,851 mm	26	34
2015	35.7 °C13 July 2015	-3.4 °C9 February 2015	14.1 °C	1,700 mm	24	24
2014	33.8 °C26 July 2014	-6.0 °C15 January 2014	13.3 °C	2,041 mm	16	51
2013	32.8 °C17 August 2013	-4.7 °C27 February 2013	13.3 °C	2,336 mm	18	48
2012	35.5 °C17 September 2012	-5.3 °C1 February 2012	13.4 °C	1,877 mm	44	51
2011	33.7 °C20 July 2011	-4.3 °C21 December 2011	13.2 °C	2,069 mm	33	63
2010	33.9 °C10 August 2010	-5.1 °C4 February 2010	13.8 °C	2,087 mm	45	41
2009	31.6 °C15 July 2009	-6.8 °C22 February 2009	13.5 °C	1,901 mm	5	37
2008	33.1 °C3 August 2008	-5.6 °C22 February 2008	13.6 °C	1,767 mm	14	44
2007	34.2 °C3 August 2007	-3.6 °C5 February 2007	13.9 °C	2,038 mm	20	16
2006	35.3 °C17 August 2006	-5.2 °C10 January 2006	13.4 °C	2,038 mm	20	42
2005	32.7 °C5 August 2005	-3.3 °C24 January 2005	13.2 °C	2,264 mm	19	56
2004	35.5 °C31 July 2004	-5.4 °C10 January 2004	14.1 °C	2,339 mm	24	31
2003	32.8 °C13 September 2003	-5.3 °C3 January 2003	13.3 °C	1,896 mm	4	35
2002	33.6 °C1 September 2002	-4.1 °C31 December 2002	13.4 °C	2,525 mm	22	26
2001	31.6 °C9 September 2001	-3.6 °C14 January 2001	13.3 °C	2,100 mm	13	42
2000	34.5 °C30 July 2000	-5.9 °C27 January 2000	13.6 °C	2,083 mm	34	36
1999	35.0 °C6 August 1999	-5.2 °C4 February 1999	13.8 °C	2,141 mm	31	35
1998	33.2 °C26 July 1998	-2.4 °C24 January 1998	14.0 °C	2,403 mm	11	26
1997	33.7 °C9 August 1997	-4.4 °C22 January 1997	13.3 °C	2,226 mm	13	23
1996	32.9 °C14 August 1996	-5.4 °C2 February 1996	12.4 °C	2,129 mm	14	47
1995	32.9 °C24 July 1995	-4.6 °C17 January 1995	12.9 °C	2,436 mm	16	40
1994	34.8 °C12 August 1994	-3.1 °C16 December 1994	13.9 °C	1,582 mm	43	37
1993	29.9 °C4 September 1993	-1.8 °C20 December 1993	12.7 °C	2,288 mm	0	23
1992	33.1 °C25 August 1992	-3.3 °C12 February 1992	13.2 °C	1,826 mm	19	27
1991	32.8 °C26 July 1991	-2.7 °C20 February 1991	13.4 °C	2,407 mm	11	28
1990	34.8 °C22 August 1990	-5.1 °C21 January 1990	14.3 °C	1,850 mm	21	27
1989	33.4 °C26 July 1989	-5.0 °C16 January 1989	13.7 °C	1,883 mm	21	26
1988	32.5 °C14 August 1988	-4.9 °C7 January 1988	12.5 °C	2,170 mm	14	43
1987	33.7 °C31 August 1987	-5.2 °C2 February 1987	13.3 °C	1,718 mm	11	49
1986	34.6 °C29 August 1986	-4.3 °C8 February 1986	12.3 °C	1,864 mm	15	52
1985	34.8 °C30 August 1985	-6.2 °C16 December 1985	12.9 °C	2,156 mm	39	62
1984	34.8 °C22 August 1984	-4.9 °C6 February 1984	12.3 °C	1,884 mm	28	81
1983	33.1 °C14 August 1983	-5.4 °C15 February 1983	12.8 °C	2,450 mm	17	42
1982	33.3 °C28 August 1982	-5.1 °C16 January 1982	13.1 °C	1,879 mm	9	48
1981	32.9 °C30 July 1981	-4.5 °C27 February 1981	12.2 °C	2,203 mm	13	39
1980	32.3 °C11 September 1980	-3.1 °C9 January 1980	12.3 °C	2,337 mm	2	44
1979	33.3 °C27 August 1979	-4.0 °C29 January 1979	13.4 °C	2,289 mm	8	38
1978	34.2 °C2 August 1978	-6.9 °C17 February 1978	12.9 °C	2,248 mm	28	46
1977	32.6 °C4 August 1977	-4.5 °C19 January 1977	12.6 °C	2,019 mm	12	58
1976	31.8 °C25 July 1976	-6.5 °C14 February 1976	12.1 °C	2,584 mm	4	51
1975	33.9 °C18 August 1975	-4.9 °C17 February 1975	13.0 °C	2,122 mm	30	55
1974	32.2 °C25 August 1974	-3.1 °C11 February 1974	12.2 °C	2,233 mm	11	51
1973	34.1 °C18 August 1973	-3.8 °C9 February 1973	12.9 °C	2,192 mm	29	51
1972	32.6 °C10 August 1972	-5.6 °C26 February 1972	13.2 °C	2,532 mm	15	33
1971	34.8 °C6 August 1971	-4.7 °C7 March 1971	12.3 °C	2,590 mm	12	61
1970	33.0 °C22 August 1970	-5.0 °C5 January 1970	12.3 °C	2,035 mm	22	69
1969	31.9 °C4 August 1969	-4.6 °C28 December 1969	12.3 °C	2,574 mm	3	61
1968	33.2 °C30 July 1968	-5.2 °C24 February 1968	12.9 °C	2,093 mm	14	49
1967	31.7 °C10 August 1967	-6.0 °C15 February 1967	12.8 °C	2,295 mm	15	65
1966	31.9 °C20 August 1966	-5.5 °C25 February 1966	12.1 °C	2,457 mm	14	66
1965	33.0 °C6 August 1965	-6.9 °C28 December 1965	11.7 °C	2,297 mm	4	74
1964	32.7 °C19 August 1964	-3.8 °C6 January 1964	12.9 °C	2,554 mm	19	40
1963	33.5 °C10 August 1963	-4.1 °C25 January 1963	12.8 °C	2,401 mm	12	55
1962	34.1 °C3 August 1962	-3.3 °C16 January 1962	13.0 °C	2,109 mm	21	30
1961	32.9 °C4 September 1961	-3.6 °C13 January 1961	13.5 °C	2,475 mm	30	49
1960	33.4 °C29 August 1960	-5.7 °C12 February 1960	13.0 °C	2,327 mm	19	45
1959	32.0 °C8 July 1959	-4.5 °C9 January 1959	13.5 °C	2,428 mm	7	37
1958	31.1 °C18 August 1958	-4.8 °C4 January 1958	13.0 °C	2,430 mm	2	47
1957	33.8 °C21 August 1957	-4.3 °C31 December 1957	12.5 °C	2,112 mm	12	49
1956	32.9 °C9 September 1956	-3.1 °C20 February 1956	12.4 °C	2,541 mm	14	55
1955	33.3 °C29 August 1955	-3.5 °C8 January 1955	13.2 °C	2,241 mm	28	36
1954	33.8 °C18 August 1954	-4.0 °C7 March 1954	12.8 °C	1,880 mm	18	49
1953	31.3 °C30 July 1953	-2.9 °C31 January 1953	12.4 °C	2,516 mm	7	41
1952	31.1 °C19 August 1952	-6.4 °C19 February 1952	11.3 °C	2,090 mm	2	93
1951	33.2 °C19 August 1951	-6.4 °C6 March 1951	11.9 °C	1,780 mm	9	74
1950	34.5 °C20 August 1950	-7.3 °C5 January 1950	12.6 °C	1,661 mm	38	73
1949	32.8 °C15 August 1949	-5.0 °C28 March 1949	12.1 °C	1,814 mm	14	64
1948	31.9 °C9 September 1948	-6.0 °C1 February 1948	12.5 °C	1,640 mm	10	68
1947	30.5 °C19 July 1947	-6.7 °C29 January 1947	10.9 °C	2,104 mm	1	98
1946	31.6 °C21 August 1946	-6.7 °C17 March 1946	12.1 °C	1,864 mm	17	85
1945	31.5 °C25 August 1945	-7.5 °C22 February 1945	11.4 °C	2,663 mm	7	88
1944	31.1 °C22 August 1944	-7.6 °C18 February 1944	12.0 °C	1,890 mm	5	96
1943	31.6 °C29 August 1943	-6.9 °C30 December 1943	11.8 °C	1,617 mm	17	93
1942	31.7 °C15 August 1942	-9.0 °C12 February 1942	11.8 °C	1,764 mm	13	90
1941	32.7 °C24 August 1941	-6.1 °C12 February 1941	11.5 °C	1,726 mm	5	91
1940	31.3 °C25 August 1940	-6.3 °C27 January 1940	11.4 °C	2,019 mm	4	90

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

17.6 °C

+1.6 °C

Hot days (≥ 30 °C)

48 d/yr

+29

Frost days (< 0 °C)

24 d/yr

-25

Annual rainfall

2440 mm

+290 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	4.3 °C	+0.5 °C	278 mm	+65 mm
Feb	4.3 °C	+0.1 °C	209 mm	+52 mm
Mar	9.5 °C	+1.9 °C	123 mm	-22 mm
Apr	14.6 °C	+0.5 °C	153 mm	+35 mm
May	20.0 °C	+0.5 °C	192 mm	+68 mm
Jun	25.5 °C	+2.2 °C	117 mm	-42 mm
Jul	32.1 °C	+5.1 °C	18 mm	-247 mm
Aug	30.3 °C	+1.4 °C	342 mm	+151 mm
Sep	27.4 °C	+2.6 °C	294 mm	+110 mm
Oct	19.7 °C	+0.9 °C	226 mm	+60 mm
Nov	13.7 °C	+0.8 °C	231 mm	+41 mm
Dec	8.9 °C	+2.0 °C	258 mm	+19 mm

The year's extremes

Hottest day

35.6 °C

31 Jul 2025

Coldest day

-2.6 °C

24 Feb 2025

Wettest day

88.3 mm

8 Sep 2025

Windiest day

44.0 km/h

14 Dec 2025

Strongest gust

87.1 km/h

14 Dec 2025

Hottest feels-like

41.5 °C

4 Aug 2025

Coldest feels-like

-7.3 °C

26 Dec 2025

Snowiest day

13.9 cm

8 Jan 2025

Sunniest day

14.1 h

18 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 Shibata?

Shibata has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.9 °C and it receives 2,150 mm of precipitation per year.

What is the hottest day ever recorded in Shibata?

The hottest day measured in Shibata between 1940 and 2025 was 23 August 2023, reaching 37.2 °C.

What is the coldest day in Shibata?

The coldest day measured in Shibata between 1940 and 2025 was 12 February 1942, at -9.0 °C.

Does it snow in Shibata?

Yes. Shibata gets on average 239.5 cm of snow per year and has around 49 frost days.

Has the climate of Shibata warmed?

Yes: Shibata warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Shibata?

The wettest day measured in Shibata between 1940 and 2025 was 26 July 1983, with 153 mm of rain in 24 hours.

What was the windiest day in Shibata?

The windiest day measured in Shibata between 1940 and 2025 was 28 September 1991, with winds reaching 62.8 km/h.

What is the warmest month in Shibata?

The warmest month in Shibata is August (25.7 °C on average); the coldest is January (1.7 °C).

How much does it rain in Shibata?

Shibata receives on average 2,150 mm of precipitation per year, spread over about 227 rainy days.

Is it sunny in Shibata?

Shibata 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 Shibata?

The heaviest 24-hour snowfall measured in Shibata between 1940 and 2025 was 25 February 1965, with 17.0 cm.

Are there tropical nights in Shibata?

Yes: Shibata has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Shibata?

In Shibata, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 23 August 2023, and the lowest was -14.6 °C on 12 February 1942.

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