Akita climate — normals and trends

Q: What is the climate of Akita?

Akita has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 2,035 mm of precipitation per year.

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

The hottest day measured in Akita between 1940 and 2025 was 3 August 1978, reaching 33.9 °C.

Q: What is the coldest day in Akita?

The coldest day measured in Akita between 1940 and 2025 was 15 January 2017, at -8.8 °C.

Q: Does it snow in Akita?

Yes. Akita gets on average 222.4 cm of snow per year and has around 52 frost days.

Q: Has the climate of Akita warmed?

Yes: Akita warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Akita?

The wettest day measured in Akita between 1940 and 2025 was 24 June 1946, with 134 mm of rain in 24 hours.

Q: What was the windiest day in Akita?

The windiest day measured in Akita between 1940 and 2025 was 28 September 1991, with winds reaching 91.9 km/h.

Q: What is the warmest month in Akita?

The warmest month in Akita is August (24.2 °C on average); the coldest is January (1.0 °C).

Q: How much does it rain in Akita?

Akita receives on average 2,035 mm of precipitation per year, spread over about 218 rainy days.

Q: Is it sunny in Akita?

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

Akita (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.6 °C and it receives 2,035 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 (24.2 °C on average) and the coldest is January (1.0 °C). Rainfall peaks in July.

Akita averages 52 frost days, 1 hot days (≥ 30 °C) and 218 rainy days per year.

Akita has warmed by +1.7 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The number of frost days there went from about 67 to 37 per year over the period.

The hottest day of the period reached 33.9 °C (on 3 August 1978) and the coldest -8.8 °C (on 15 January 2017).

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

AkitaAkita

coords: 39.72°, 140.12°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJulyDriest monthApril

Mean daily temperature

11.6°C

Average daily high

13.5°C

Average daily low

9.8°C

Annual rainfall

2,035mm

Sunshine / day

8.3h

Mean relative humidity

77%

Average peak wind

26.8km/h

Seasonal range

23.2°C

Frost days (< 0 °C)

52 d/yr

Hot days (≥ 30 °C)

1 d/yr

Rainy days (≥ 1 mm)

218 d/yr

Annual snowfall

222.4 cm

Average feels-like high

11.7 °C

Average feels-like low

6.5 °C

Average peak gust

42.9 km/h

Tropical nights (≥ 20 °C)

58 d/yr

Solar radiation

13.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.46 · 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

33.9 °C

3 August 1978

Coldest day

-8.8 °C

15 January 2017

Wettest day

134 mm

24 June 1946

Windiest day

91.9 km/h

28 September 1991

Strongest gust

153.7 km/h

28 September 1991

Hottest feels-like

40.4 °C

23 August 2023

Coldest feels-like

-17.3 °C

14 January 1967

Snowiest day

18.6 cm

17 January 1960

Sunniest day

14.4 h

26 June 1958

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	32.3 °C1 August 2025	-1.9 °C18 February 2025	13.5 °C	2,522 mm	6	21
2024	30.8 °C16 August 2024	-1.9 °C1 February 2024	13.6 °C	2,213 mm	2	9
2023	33.0 °C9 August 2023	-6.2 °C25 January 2023	13.9 °C	2,317 mm	25	32
2022	29.4 °C19 September 2022	-3.9 °C1 January 2022	12.9 °C	2,422 mm	0	33
2021	32.8 °C7 August 2021	-5.0 °C9 January 2021	13.2 °C	2,115 mm	4	49
2020	31.5 °C3 September 2020	-3.9 °C9 February 2020	13.1 °C	2,213 mm	3	14
2019	32.5 °C15 August 2019	-4.1 °C8 February 2019	13.1 °C	1,773 mm	4	21
2018	31.5 °C23 August 2018	-6.0 °C24 January 2018	12.6 °C	2,303 mm	6	45
2017	30.1 °C7 August 2017	-8.8 °C15 January 2017	11.8 °C	2,080 mm	1	60
2016	31.1 °C7 August 2016	-3.1 °C7 February 2016	12.7 °C	1,942 mm	2	37
2015	29.6 °C13 July 2015	-3.3 °C9 February 2015	12.7 °C	1,690 mm	0	22
2014	29.3 °C26 July 2014	-5.0 °C8 February 2014	12.1 °C	2,085 mm	0	61
2013	29.1 °C17 August 2013	-4.2 °C20 February 2013	12.2 °C	2,429 mm	0	52
2012	31.4 °C31 August 2012	-4.5 °C28 January 2012	12.3 °C	2,079 mm	7	63
2011	29.6 °C19 July 2011	-3.2 °C30 January 2011	12.0 °C	2,140 mm	0	58
2010	30.2 °C2 September 2010	-5.1 °C6 February 2010	12.7 °C	2,386 mm	1	35
2009	27.0 °C20 August 2009	-3.6 °C18 February 2009	12.3 °C	1,991 mm	0	25
2008	28.2 °C13 August 2008	-4.1 °C17 January 2008	12.5 °C	1,640 mm	0	40
2007	30.2 °C3 August 2007	-1.6 °C7 March 2007	12.4 °C	1,787 mm	1	13
2006	30.9 °C20 August 2006	-5.8 °C3 February 2006	11.7 °C	1,584 mm	3	48
2005	28.5 °C20 August 2005	-4.0 °C19 December 2005	11.6 °C	2,000 mm	0	72
2004	30.8 °C30 July 2004	-3.3 °C17 January 2004	12.3 °C	2,000 mm	4	46
2003	27.5 °C13 September 2003	-4.8 °C10 March 2003	11.6 °C	1,590 mm	0	44
2002	29.5 °C24 July 2002	-4.7 °C14 February 2002	11.8 °C	1,936 mm	0	43
2001	28.5 °C9 September 2001	-5.6 °C12 February 2001	11.3 °C	1,832 mm	0	65
2000	31.0 °C31 July 2000	-6.8 °C27 January 2000	11.9 °C	1,829 mm	2	49
1999	31.4 °C10 August 1999	-5.7 °C3 February 1999	12.1 °C	1,849 mm	6	59
1998	30.2 °C27 July 1998	-5.2 °C7 February 1998	11.9 °C	2,223 mm	1	54
1997	30.0 °C27 July 1997	-5.3 °C22 January 1997	11.6 °C	2,088 mm	1	41
1996	28.1 °C10 August 1996	-6.9 °C2 February 1996	11.0 °C	1,703 mm	0	51
1995	28.2 °C14 August 1995	-5.9 °C17 January 1995	11.5 °C	2,274 mm	0	51
1994	31.4 °C30 July 1994	-4.7 °C31 January 1994	11.9 °C	1,474 mm	2	52
1993	28.1 °C26 August 1993	-3.2 °C9 March 1993	11.1 °C	1,935 mm	0	35
1992	28.5 °C18 August 1992	-3.0 °C24 January 1992	11.5 °C	1,642 mm	0	40
1991	29.5 °C20 August 1991	-5.5 °C24 February 1991	11.8 °C	2,118 mm	0	41
1990	30.4 °C22 August 1990	-7.0 °C24 January 1990	12.6 °C	1,947 mm	1	33
1989	30.7 °C5 August 1989	-3.6 °C23 January 1989	12.0 °C	1,636 mm	1	33
1988	30.1 °C14 August 1988	-5.4 °C3 February 1988	11.0 °C	1,584 mm	1	66
1987	29.7 °C31 August 1987	-5.0 °C10 January 1987	11.2 °C	1,913 mm	0	67
1986	29.7 °C29 August 1986	-6.3 °C22 January 1986	10.8 °C	1,557 mm	0	64
1985	30.0 °C30 August 1985	-5.9 °C26 January 1985	11.1 °C	1,703 mm	1	75
1984	32.1 °C22 August 1984	-6.7 °C25 December 1984	10.7 °C	1,638 mm	2	90
1983	30.5 °C15 August 1983	-5.5 °C17 February 1983	11.3 °C	1,751 mm	2	58
1982	29.2 °C18 August 1982	-5.0 °C8 February 1982	11.6 °C	1,679 mm	0	54
1981	30.4 °C30 July 1981	-4.4 °C14 January 1981	10.8 °C	2,076 mm	1	56
1980	28.8 °C11 September 1980	-5.5 °C16 February 1980	11.0 °C	1,884 mm	0	62
1979	30.4 °C18 August 1979	-4.8 °C29 January 1979	11.9 °C	2,415 mm	1	45
1978	33.9 °C3 August 1978	-5.9 °C1 February 1978	11.7 °C	2,088 mm	2	54
1977	28.3 °C16 August 1977	-5.2 °C31 January 1977	11.7 °C	2,070 mm	0	57
1976	29.9 °C25 July 1976	-4.9 °C20 January 1976	11.1 °C	2,216 mm	0	48
1975	30.1 °C16 August 1975	-3.9 °C17 February 1975	12.1 °C	2,222 mm	1	45
1974	29.3 °C25 August 1974	-3.6 °C11 February 1974	11.2 °C	2,432 mm	0	49
1973	29.5 °C29 July 1973	-2.9 °C25 February 1973	12.0 °C	2,605 mm	0	38
1972	29.7 °C7 August 1972	-3.6 °C10 February 1972	12.2 °C	2,814 mm	0	35
1971	31.1 °C4 August 1971	-5.8 °C7 March 1971	11.1 °C	2,001 mm	3	60
1970	29.1 °C22 August 1970	-4.8 °C5 February 1970	11.2 °C	1,814 mm	0	71
1969	27.1 °C26 August 1969	-5.8 °C25 February 1969	11.0 °C	2,356 mm	0	68
1968	29.9 °C31 July 1968	-4.1 °C1 February 1968	11.7 °C	1,965 mm	0	47
1967	28.2 °C23 August 1967	-6.3 °C12 February 1967	11.5 °C	2,026 mm	0	61
1966	29.3 °C22 August 1966	-6.4 °C19 January 1966	11.1 °C	2,637 mm	0	65
1965	30.1 °C6 August 1965	-4.6 °C4 February 1965	10.9 °C	2,114 mm	1	66
1964	29.7 °C20 August 1964	-4.1 °C24 February 1964	11.4 °C	2,236 mm	0	43
1963	28.9 °C9 August 1963	-3.5 °C24 January 1963	11.6 °C	2,566 mm	0	53
1962	30.5 °C20 August 1962	-4.3 °C13 February 1962	11.7 °C	2,033 mm	1	51
1961	29.3 °C4 September 1961	-6.1 °C12 January 1961	12.2 °C	2,414 mm	0	46
1960	29.8 °C29 August 1960	-4.7 °C11 February 1960	11.7 °C	2,119 mm	0	54
1959	27.6 °C8 August 1959	-4.6 °C9 January 1959	12.1 °C	2,333 mm	0	42
1958	27.6 °C17 August 1958	-3.4 °C3 January 1958	11.7 °C	2,674 mm	0	39
1957	29.9 °C20 August 1957	-4.6 °C12 January 1957	11.5 °C	2,066 mm	0	46
1956	29.3 °C17 August 1956	-4.4 °C1 February 1956	11.2 °C	2,095 mm	0	57
1955	30.5 °C15 July 1955	-5.9 °C11 February 1955	11.8 °C	2,342 mm	3	56
1954	29.9 °C19 August 1954	-5.4 °C29 January 1954	11.4 °C	1,865 mm	0	53
1953	28.2 °C11 August 1953	-4.7 °C15 February 1953	11.2 °C	2,005 mm	0	55
1952	27.2 °C8 August 1952	-6.5 °C5 February 1952	10.6 °C	1,996 mm	0	84
1951	29.3 °C19 August 1951	-5.7 °C14 January 1951	11.2 °C	1,751 mm	0	64
1950	30.7 °C20 August 1950	-4.8 °C6 January 1950	11.9 °C	1,732 mm	2	58
1949	29.5 °C17 August 1949	-4.0 °C29 December 1949	11.5 °C	1,719 mm	0	41
1948	29.3 °C14 August 1948	-5.4 °C23 February 1948	11.9 °C	1,666 mm	0	55
1947	27.6 °C25 August 1947	-5.6 °C2 February 1947	10.4 °C	2,472 mm	0	84
1946	28.8 °C15 August 1946	-5.2 °C11 January 1946	11.5 °C	1,985 mm	0	76
1945	29.5 °C25 August 1945	-5.1 °C19 February 1945	11.0 °C	2,410 mm	0	76
1944	29.0 °C22 August 1944	-5.7 °C8 February 1944	11.2 °C	1,653 mm	0	78
1943	29.0 °C23 August 1943	-5.7 °C21 February 1943	11.3 °C	1,518 mm	0	67
1942	29.2 °C31 August 1942	-6.9 °C9 February 1942	10.9 °C	1,626 mm	0	74
1941	29.6 °C24 August 1941	-5.9 °C13 February 1941	10.7 °C	1,870 mm	0	68
1940	28.4 °C25 August 1940	-5.1 °C15 January 1940	10.7 °C	2,455 mm	0	75

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

15.4 °C

+1.9 °C

Hot days (≥ 30 °C)

6 d/yr

Frost days (< 0 °C)

21 d/yr

-31

Annual rainfall

2523 mm

+488 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	4.6 °C	+2.0 °C	206 mm	+28 mm
Feb	3.7 °C	+1.0 °C	191 mm	+55 mm
Mar	7.1 °C	+1.6 °C	145 mm	+15 mm
Apr	11.6 °C	+1.1 °C	207 mm	+84 mm
May	16.4 °C	+1.2 °C	161 mm	+36 mm
Jun	21.9 °C	+2.2 °C	148 mm	+8 mm
Jul	27.8 °C	+4.1 °C	45 mm	-191 mm
Aug	27.9 °C	+1.9 °C	359 mm	+152 mm
Sep	25.2 °C	+2.5 °C	338 mm	+132 mm
Oct	18.0 °C	+1.1 °C	125 mm	-46 mm
Nov	12.2 °C	+1.4 °C	302 mm	+125 mm
Dec	7.4 °C	+1.9 °C	296 mm	+90 mm

The year's extremes

Hottest day

32.3 °C

1 Aug 2025

Coldest day

-1.9 °C

18 Feb 2025

Wettest day

96.9 mm

20 Aug 2025

Windiest day

53.7 km/h

7 Feb 2025

Strongest gust

100.1 km/h

7 Feb 2025

Hottest feels-like

38.6 °C

31 Jul 2025

Coldest feels-like

-11.6 °C

26 Dec 2025

Snowiest day

9.2 cm

21 Feb 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 Akita?

Akita has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 2,035 mm of precipitation per year.

What is the hottest day ever recorded in Akita?

The hottest day measured in Akita between 1940 and 2025 was 3 August 1978, reaching 33.9 °C.

What is the coldest day in Akita?

The coldest day measured in Akita between 1940 and 2025 was 15 January 2017, at -8.8 °C.

Does it snow in Akita?

Yes. Akita gets on average 222.4 cm of snow per year and has around 52 frost days.

Has the climate of Akita warmed?

Yes: Akita warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Akita?

The wettest day measured in Akita between 1940 and 2025 was 24 June 1946, with 134 mm of rain in 24 hours.

What was the windiest day in Akita?

The windiest day measured in Akita between 1940 and 2025 was 28 September 1991, with winds reaching 91.9 km/h.

What is the warmest month in Akita?

The warmest month in Akita is August (24.2 °C on average); the coldest is January (1.0 °C).

How much does it rain in Akita?

Akita receives on average 2,035 mm of precipitation per year, spread over about 218 rainy days.

Is it sunny in Akita?

Akita 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 Akita?

The heaviest 24-hour snowfall measured in Akita between 1940 and 2025 was 17 January 1960, with 18.6 cm.

Are there tropical nights in Akita?

Yes: Akita has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Akita?

In Akita, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 23 August 2023, and the lowest was -17.3 °C on 14 January 1967.

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