Nikaho climate — normals and trends

Q: What is the climate of Nikaho?

Nikaho has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 11.4 °C and it receives 1,959 mm of precipitation per year.

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

The hottest day measured in Nikaho between 1940 and 2025 was 3 August 1978, reaching 36.7 °C.

Q: What is the coldest day in Nikaho?

The coldest day measured in Nikaho between 1940 and 2025 was 27 January 2000, at -12.5 °C.

Q: Does it snow in Nikaho?

Yes. Nikaho gets on average 246.3 cm of snow per year and has around 77 frost days.

Q: Has the climate of Nikaho warmed?

Yes: Nikaho warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nikaho?

The wettest day measured in Nikaho between 1940 and 2025 was 8 July 1957, with 151 mm of rain in 24 hours.

Q: What was the windiest day in Nikaho?

The windiest day measured in Nikaho between 1940 and 2025 was 28 September 1991, with winds reaching 64.7 km/h.

Q: What is the warmest month in Nikaho?

The warmest month in Nikaho is August (24.3 °C on average); the coldest is January (0.0 °C).

Q: How much does it rain in Nikaho?

Nikaho receives on average 1,959 mm of precipitation per year, spread over about 225 rainy days.

Q: Is it sunny in Nikaho?

Nikaho gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

Nikaho (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.4 °C and it receives 1,959 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 (24.3 °C on average) and the coldest is January (0.0 °C). Rainfall peaks in July.

Nikaho averages 77 frost days, 10 hot days (≥ 30 °C) and 225 rainy days per year.

Nikaho has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.

The number of frost days there went from about 101 to 53 per year over the period.

The hottest day of the period reached 36.7 °C (on 3 August 1978) and the coldest -12.5 °C (on 27 January 2000).

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

NikahoAkita

coords: 39.27°, 139.94°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthApril

Mean daily temperature

11.4°C

Average daily high

14.4°C

Average daily low

8.4°C

Annual rainfall

1,959mm

Sunshine / day

8.2h

Mean relative humidity

77%

Average peak wind

16.8km/h

Seasonal range

24.3°C

Frost days (< 0 °C)

77 d/yr

Hot days (≥ 30 °C)

10 d/yr

Rainy days (≥ 1 mm)

225 d/yr

Annual snowfall

246.3 cm

Average feels-like high

13.3 °C

Average feels-like low

6.4 °C

Average peak gust

44.7 km/h

Tropical nights (≥ 20 °C)

45 d/yr

Solar radiation

13.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.5 °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

36.7 °C

3 August 1978

Coldest day

-12.5 °C

27 January 2000

Wettest day

151 mm

8 July 1957

Windiest day

64.7 km/h

28 September 1991

Strongest gust

166.3 km/h

28 September 1991

Hottest feels-like

42.9 °C

6 August 2021

Coldest feels-like

-17.2 °C

12 February 1942

Snowiest day

21.8 cm

27 January 2002

Sunniest day

14.4 h

18 June 1987

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.2 °C1 August 2025	-3.8 °C13 January 2025	13.2 °C	2,280 mm	37	49
2024	32.8 °C16 August 2024	-5.1 °C19 December 2024	13.5 °C	2,191 mm	18	41
2023	35.2 °C23 August 2023	-7.0 °C25 January 2023	13.8 °C	2,101 mm	47	48
2022	32.3 °C19 September 2022	-4.6 °C1 January 2022	12.7 °C	2,178 mm	11	55
2021	34.9 °C7 August 2021	-7.2 °C9 January 2021	12.9 °C	2,011 mm	22	61
2020	34.7 °C3 September 2020	-5.3 °C11 February 2020	12.9 °C	2,195 mm	18	30
2019	35.4 °C15 August 2019	-5.2 °C27 January 2019	12.9 °C	1,833 mm	22	41
2018	35.1 °C23 August 2018	-11.3 °C2 February 2018	12.5 °C	2,115 mm	20	68
2017	33.1 °C7 August 2017	-10.3 °C15 January 2017	11.8 °C	2,070 mm	10	74
2016	35.1 °C7 August 2016	-6.5 °C12 February 2016	12.6 °C	1,699 mm	23	51
2015	35.7 °C13 July 2015	-5.7 °C5 February 2015	12.8 °C	1,556 mm	15	41
2014	32.6 °C26 July 2014	-7.6 °C10 February 2014	11.8 °C	2,013 mm	6	78
2013	31.8 °C17 August 2013	-5.5 °C9 January 2013	11.9 °C	2,398 mm	6	79
2012	34.8 °C31 August 2012	-6.0 °C28 January 2012	12.0 °C	1,825 mm	31	89
2011	31.9 °C19 July 2011	-9.5 °C16 January 2011	11.7 °C	2,081 mm	15	93
2010	32.8 °C5 August 2010	-8.8 °C22 February 2010	12.4 °C	2,143 mm	19	61
2009	30.8 °C29 June 2009	-8.8 °C28 January 2009	12.0 °C	1,774 mm	1	58
2008	31.7 °C13 August 2008	-10.5 °C19 January 2008	12.2 °C	1,540 mm	3	66
2007	34.1 °C3 August 2007	-4.9 °C21 January 2007	12.3 °C	1,718 mm	9	52
2006	33.6 °C17 August 2006	-7.2 °C3 February 2006	11.7 °C	1,670 mm	11	62
2005	32.1 °C5 August 2005	-6.8 °C1 February 2005	11.5 °C	2,008 mm	9	87
2004	33.6 °C31 July 2004	-5.9 °C10 January 2004	12.4 °C	1,912 mm	14	58
2003	30.1 °C6 August 2003	-9.2 °C3 January 2003	11.7 °C	1,680 mm	1	65
2002	31.7 °C1 September 2002	-9.2 °C14 February 2002	11.8 °C	2,080 mm	8	55
2001	30.1 °C15 July 2001	-8.2 °C9 March 2001	11.5 °C	1,830 mm	2	84
2000	33.4 °C31 July 2000	-12.5 °C27 January 2000	12.0 °C	1,878 mm	19	73
1999	35.0 °C10 August 1999	-8.1 °C4 February 1999	12.1 °C	1,995 mm	23	74
1998	32.0 °C27 July 1998	-7.1 °C11 March 1998	12.1 °C	2,111 mm	4	72
1997	32.0 °C27 July 1997	-8.7 °C22 January 1997	11.7 °C	1,993 mm	4	63
1996	31.7 °C14 August 1996	-7.5 °C24 January 1996	10.9 °C	1,781 mm	5	81
1995	31.8 °C24 July 1995	-10.1 °C17 January 1995	11.5 °C	2,242 mm	2	71
1994	34.2 °C16 August 1994	-7.7 °C14 January 1994	12.3 °C	1,419 mm	27	71
1993	29.7 °C25 August 1993	-6.9 °C9 March 1993	11.1 °C	2,080 mm	0	56
1992	31.4 °C25 August 1992	-5.0 °C27 January 1992	11.7 °C	1,661 mm	4	62
1991	31.5 °C30 August 1991	-6.5 °C20 February 1991	11.9 °C	2,055 mm	5	65
1990	34.4 °C22 August 1990	-9.6 °C17 January 1990	12.8 °C	1,942 mm	10	44
1989	33.3 °C26 July 1989	-6.1 °C31 January 1989	12.2 °C	1,673 mm	20	47
1988	32.7 °C24 August 1988	-8.1 °C22 February 1988	10.9 °C	1,678 mm	13	81
1987	32.1 °C31 August 1987	-8.8 °C7 December 1987	11.6 °C	1,763 mm	6	89
1986	32.7 °C29 August 1986	-7.0 °C22 January 1986	10.9 °C	1,520 mm	9	75
1985	33.9 °C11 August 1985	-9.4 °C16 December 1985	11.3 °C	1,629 mm	26	93
1984	35.9 °C22 August 1984	-7.5 °C6 February 1984	10.7 °C	1,731 mm	23	107
1983	32.0 °C15 August 1983	-7.9 °C31 December 1983	11.3 °C	1,849 mm	6	82
1982	31.8 °C11 July 1982	-6.1 °C6 February 1982	11.6 °C	1,712 mm	7	78
1981	32.2 °C30 July 1981	-8.9 °C14 January 1981	10.7 °C	2,025 mm	5	84
1980	30.9 °C11 September 1980	-6.4 °C8 January 1980	10.9 °C	2,004 mm	1	79
1979	31.8 °C18 August 1979	-6.6 °C10 February 1979	11.7 °C	2,417 mm	6	75
1978	36.7 °C3 August 1978	-8.1 °C1 February 1978	11.5 °C	1,995 mm	12	75
1977	31.1 °C4 August 1977	-7.3 °C5 February 1977	11.2 °C	2,009 mm	2	73
1976	32.6 °C25 July 1976	-9.3 °C14 February 1976	10.5 °C	2,183 mm	2	76
1975	31.2 °C16 August 1975	-7.9 °C6 January 1975	11.5 °C	2,064 mm	11	81
1974	31.0 °C25 August 1974	-7.0 °C29 December 1974	10.7 °C	2,215 mm	3	89
1973	31.9 °C27 July 1973	-8.5 °C15 March 1973	11.4 °C	2,281 mm	7	77
1972	32.2 °C7 August 1972	-8.4 °C10 February 1972	11.7 °C	2,563 mm	10	67
1971	33.8 °C6 August 1971	-7.8 °C13 January 1971	10.8 °C	2,039 mm	5	85
1970	31.9 °C22 August 1970	-9.4 °C26 December 1970	10.9 °C	1,684 mm	8	100
1969	30.4 °C3 August 1969	-7.9 °C28 February 1969	10.7 °C	2,190 mm	1	100
1968	31.4 °C27 July 1968	-6.0 °C17 February 1968	11.5 °C	1,983 mm	5	71
1967	30.6 °C22 August 1967	-10.3 °C11 February 1967	11.2 °C	2,089 mm	6	88
1966	30.5 °C23 August 1966	-10.0 °C27 December 1966	10.4 °C	2,432 mm	2	103
1965	31.6 °C6 August 1965	-8.9 °C28 December 1965	10.2 °C	1,936 mm	4	105
1964	32.0 °C19 August 1964	-6.8 °C26 February 1964	11.3 °C	2,227 mm	7	77
1963	31.9 °C10 August 1963	-6.2 °C4 February 1963	11.4 °C	2,310 mm	7	71
1962	33.1 °C3 August 1962	-7.0 °C29 December 1962	11.6 °C	1,898 mm	12	76
1961	32.0 °C29 July 1961	-8.2 °C18 January 1961	11.9 °C	2,283 mm	15	76
1960	32.0 °C29 August 1960	-5.9 °C11 February 1960	11.5 °C	2,092 mm	7	78
1959	29.6 °C20 August 1959	-8.2 °C8 February 1959	11.9 °C	2,290 mm	0	61
1958	29.8 °C3 August 1958	-6.1 °C4 January 1958	11.5 °C	2,519 mm	0	60
1957	32.5 °C21 August 1957	-6.0 °C1 February 1957	11.1 °C	1,980 mm	7	74
1956	31.9 °C10 September 1956	-7.1 °C10 January 1956	10.9 °C	2,022 mm	5	85
1955	32.6 °C19 July 1955	-6.8 °C8 January 1955	11.7 °C	2,140 mm	21	80
1954	32.3 °C19 August 1954	-10.5 °C28 January 1954	11.1 °C	1,793 mm	9	75
1953	30.1 °C5 August 1953	-6.1 °C22 February 1953	10.9 °C	2,011 mm	3	78
1952	28.3 °C1 September 1952	-8.7 °C1 February 1952	9.5 °C	2,003 mm	0	122
1951	31.6 °C18 August 1951	-7.9 °C4 March 1951	10.2 °C	1,594 mm	6	98
1950	34.0 °C20 August 1950	-10.4 °C5 January 1950	10.9 °C	1,639 mm	18	105
1949	31.9 °C15 August 1949	-8.4 °C28 March 1949	10.5 °C	1,629 mm	10	98
1948	29.9 °C18 August 1948	-8.7 °C11 March 1948	10.9 °C	1,609 mm	0	94
1947	29.4 °C18 July 1947	-9.7 °C29 January 1947	9.3 °C	2,349 mm	0	114
1946	30.8 °C15 August 1946	-8.2 °C1 March 1946	10.5 °C	1,745 mm	4	106
1945	30.3 °C25 August 1945	-7.8 °C2 December 1945	9.8 °C	2,240 mm	3	110
1944	29.8 °C25 August 1944	-9.0 °C30 January 1944	10.3 °C	1,622 mm	0	115
1943	31.5 °C22 July 1943	-11.0 °C21 February 1943	10.3 °C	1,378 mm	5	112
1942	31.8 °C15 August 1942	-12.4 °C12 February 1942	10.1 °C	1,576 mm	3	107
1941	31.2 °C24 August 1941	-11.2 °C7 January 1941	9.7 °C	1,742 mm	2	123
1940	30.3 °C25 August 1940	-9.3 °C17 December 1940	9.7 °C	2,080 mm	1	108

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

16.4 °C

+2.0 °C

Hot days (≥ 30 °C)

37 d/yr

+27

Frost days (< 0 °C)

49 d/yr

-28

Annual rainfall

2280 mm

+321 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	3.9 °C	+2.0 °C	179 mm	+21 mm
Feb	3.5 °C	+1.2 °C	150 mm	+24 mm
Mar	7.9 °C	+2.1 °C	130 mm	0 mm
Apr	13.2 °C	+0.6 °C	193 mm	+75 mm
May	18.9 °C	+0.9 °C	170 mm	+52 mm
Jun	24.8 °C	+2.8 °C	156 mm	+11 mm
Jul	30.9 °C	+5.3 °C	51 mm	-179 mm
Aug	29.9 °C	+2.3 °C	284 mm	+75 mm
Sep	26.0 °C	+2.6 °C	331 mm	+130 mm
Oct	18.2 °C	+0.9 °C	167 mm	+4 mm
Nov	12.0 °C	+1.0 °C	220 mm	+48 mm
Dec	6.9 °C	+2.0 °C	250 mm	+61 mm

The year's extremes

Hottest day

36.2 °C

1 Aug 2025

Coldest day

-3.8 °C

13 Jan 2025

Wettest day

55.1 mm

6 Aug 2025

Windiest day

36.9 km/h

13 Feb 2025

Strongest gust

97.9 km/h

7 Feb 2025

Hottest feels-like

41.5 °C

30 Jul 2025

Coldest feels-like

-9.8 °C

26 Dec 2025

Snowiest day

13.0 cm

31 Dec 2025

Sunniest day

14.2 h

19 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 Nikaho?

Nikaho has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 11.4 °C and it receives 1,959 mm of precipitation per year.

What is the hottest day ever recorded in Nikaho?

The hottest day measured in Nikaho between 1940 and 2025 was 3 August 1978, reaching 36.7 °C.

What is the coldest day in Nikaho?

The coldest day measured in Nikaho between 1940 and 2025 was 27 January 2000, at -12.5 °C.

Does it snow in Nikaho?

Yes. Nikaho gets on average 246.3 cm of snow per year and has around 77 frost days.

Has the climate of Nikaho warmed?

Yes: Nikaho warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nikaho?

The wettest day measured in Nikaho between 1940 and 2025 was 8 July 1957, with 151 mm of rain in 24 hours.

What was the windiest day in Nikaho?

The windiest day measured in Nikaho between 1940 and 2025 was 28 September 1991, with winds reaching 64.7 km/h.

What is the warmest month in Nikaho?

The warmest month in Nikaho is August (24.3 °C on average); the coldest is January (0.0 °C).

How much does it rain in Nikaho?

Nikaho receives on average 1,959 mm of precipitation per year, spread over about 225 rainy days.

Is it sunny in Nikaho?

Nikaho gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

What is the biggest single-day snowfall in Nikaho?

The heaviest 24-hour snowfall measured in Nikaho between 1940 and 2025 was 27 January 2002, with 21.8 cm.

Are there tropical nights in Nikaho?

Yes: Nikaho has on average 45 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nikaho?

In Nikaho, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 6 August 2021, and the lowest was -17.2 °C on 12 February 1942.

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