Atsugi climate — normals and trends

Q: What is the climate of Atsugi?

Atsugi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 1,807 mm of precipitation per year.

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

The hottest day measured in Atsugi between 1940 and 2025 was 15 August 1996, reaching 36.3 °C.

Q: What is the coldest day in Atsugi?

The coldest day measured in Atsugi between 1940 and 2025 was 6 February 1952, at -16.1 °C.

Q: Does it snow in Atsugi?

Yes. Atsugi gets on average 45.9 cm of snow per year and has around 56 frost days.

Q: Has the climate of Atsugi warmed?

Yes: Atsugi warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Atsugi?

The wettest day measured in Atsugi between 1940 and 2025 was 12 October 2019, with 244 mm of rain in 24 hours.

Q: What was the windiest day in Atsugi?

The windiest day measured in Atsugi between 1940 and 2025 was 1 October 2018, with winds reaching 57.8 km/h.

Q: What is the warmest month in Atsugi?

The warmest month in Atsugi is August (25.1 °C on average); the coldest is January (2.6 °C).

Q: How much does it rain in Atsugi?

Atsugi receives on average 1,807 mm of precipitation per year, spread over about 169 rainy days.

Q: Is it sunny in Atsugi?

Atsugi gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.

Atsugi (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.7 °C and it receives 1,807 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 (25.1 °C on average) and the coldest is January (2.6 °C). Rainfall peaks in September.

Atsugi averages 56 frost days, 18 hot days (≥ 30 °C) and 169 rainy days per year.

Atsugi has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.

The number of frost days there went from about 78 to 34 per year over the period.

The hottest day of the period reached 36.3 °C (on 15 August 1996) and the coldest -16.1 °C (on 6 February 1952).

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

AtsugiKanagawa

coords: 35.44°, 139.37°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthSeptemberDriest monthJanuary

Mean daily temperature

13.7°C

Average daily high

17.6°C

Average daily low

10.2°C

Annual rainfall

1,807mm

Sunshine / day

8.1h

Mean relative humidity

76%

Average peak wind

12.0km/h

Seasonal range

22.5°C

Frost days (< 0 °C)

56 d/yr

Hot days (≥ 30 °C)

18 d/yr

Rainy days (≥ 1 mm)

169 d/yr

Annual snowfall

45.9 cm

Average feels-like high

17.6 °C

Average feels-like low

9.2 °C

Average peak gust

32.0 km/h

Tropical nights (≥ 20 °C)

66 d/yr

Solar radiation

13.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °C

since 1940

+0.3 °C per decade · r² = 0.68 · 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

36.3 °C

15 August 1996

Coldest day

-16.1 °C

6 February 1952

Wettest day

244 mm

12 October 2019

Windiest day

57.8 km/h

1 October 2018

Strongest gust

180.0 km/h

27 September 1959

Hottest feels-like

42.9 °C

5 August 2025

Coldest feels-like

-20.9 °C

6 February 1952

Snowiest day

43.7 cm

12 March 1969

Sunniest day

14.0 h

26 June 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.2 °C5 August 2025	-4.0 °C23 February 2025	15.5 °C	1,313 mm	68	48
2024	34.8 °C20 July 2024	-3.1 °C16 January 2024	16.0 °C	2,160 mm	63	33
2023	35.0 °C12 July 2023	-5.1 °C25 January 2023	16.0 °C	1,597 mm	56	32
2022	34.2 °C2 August 2022	-5.4 °C7 January 2022	15.0 °C	1,844 mm	37	53
2021	35.5 °C10 August 2021	-4.2 °C9 January 2021	15.1 °C	2,036 mm	27	35
2020	35.7 °C11 August 2020	-3.3 °C7 February 2020	15.2 °C	1,715 mm	34	25
2019	33.6 °C9 September 2019	-2.9 °C4 January 2019	15.1 °C	1,987 mm	30	36
2018	34.3 °C23 July 2018	-8.8 °C25 January 2018	15.5 °C	1,669 mm	46	43
2017	33.0 °C25 August 2017	-4.6 °C25 January 2017	14.3 °C	1,857 mm	27	46
2016	34.1 °C9 August 2016	-5.5 °C25 January 2016	15.0 °C	1,991 mm	19	33
2015	33.3 °C7 August 2015	-4.3 °C10 February 2015	14.9 °C	1,948 mm	31	46
2014	33.2 °C6 August 2014	-7.5 °C5 February 2014	14.2 °C	1,822 mm	21	54
2013	34.1 °C10 August 2013	-10.4 °C18 January 2013	14.5 °C	1,518 mm	29	49
2012	32.6 °C17 July 2012	-4.7 °C3 February 2012	13.8 °C	1,910 mm	22	57
2011	34.3 °C18 August 2011	-7.2 °C13 February 2011	14.2 °C	1,879 mm	29	59
2010	33.0 °C17 August 2010	-3.5 °C7 February 2010	14.6 °C	2,201 mm	43	38
2009	32.2 °C15 July 2009	-6.7 °C25 January 2009	14.5 °C	1,987 mm	9	26
2008	32.0 °C15 August 2008	-6.0 °C4 February 2008	14.3 °C	1,864 mm	16	43
2007	34.1 °C16 August 2007	-2.3 °C25 February 2007	14.7 °C	1,798 mm	23	18
2006	32.8 °C14 July 2006	-6.2 °C23 January 2006	14.4 °C	1,875 mm	11	42
2005	33.0 °C28 June 2005	-5.0 °C14 March 2005	14.0 °C	1,600 mm	21	55
2004	34.2 °C21 July 2004	-5.2 °C23 January 2004	15.1 °C	2,021 mm	26	30
2003	32.8 °C23 August 2003	-7.6 °C30 January 2003	13.9 °C	2,194 mm	15	46
2002	33.1 °C20 July 2002	-5.3 °C12 February 2002	14.2 °C	1,645 mm	30	43
2001	33.4 °C13 July 2001	-7.8 °C30 January 2001	14.0 °C	1,845 mm	17	60
2000	34.5 °C2 September 2000	-7.4 °C28 January 2000	14.5 °C	1,703 mm	22	44
1999	33.0 °C17 August 1999	-7.3 °C14 February 1999	14.7 °C	1,606 mm	24	34
1998	34.2 °C16 August 1998	-10.6 °C25 January 1998	14.6 °C	2,227 mm	16	44
1997	34.2 °C6 July 1997	-6.0 °C26 January 1997	14.2 °C	1,467 mm	21	41
1996	36.3 °C15 August 1996	-9.0 °C20 February 1996	13.3 °C	1,700 mm	17	54
1995	33.3 °C25 July 1995	-6.2 °C6 March 1995	13.9 °C	1,456 mm	33	49
1994	34.2 °C2 August 1994	-12.2 °C14 February 1994	14.4 °C	1,556 mm	33	53
1993	31.2 °C31 July 1993	-5.0 °C29 January 1993	13.4 °C	2,115 mm	6	42
1992	33.0 °C31 July 1992	-9.7 °C2 February 1992	13.9 °C	1,788 mm	20	38
1991	34.7 °C24 July 1991	-11.2 °C30 December 1991	14.3 °C	2,262 mm	20	46
1990	34.4 °C17 July 1990	-11.9 °C25 January 1990	14.8 °C	1,883 mm	29	33
1989	31.4 °C8 August 1989	-7.2 °C29 January 1989	14.1 °C	1,945 mm	5	26
1988	32.3 °C9 July 1988	-7.1 °C7 January 1988	13.2 °C	1,878 mm	3	41
1987	35.0 °C24 July 1987	-7.9 °C15 January 1987	13.9 °C	1,616 mm	27	55
1986	32.8 °C5 August 1986	-10.2 °C26 February 1986	13.0 °C	1,827 mm	5	66
1985	32.0 °C2 September 1985	-12.9 °C31 January 1985	13.4 °C	1,976 mm	15	58
1984	33.2 °C3 September 1984	-13.5 °C9 February 1984	12.4 °C	1,297 mm	16	92
1983	33.0 °C19 August 1983	-8.6 °C21 February 1983	13.5 °C	1,884 mm	15	57
1982	31.0 °C12 July 1982	-10.7 °C7 February 1982	13.7 °C	2,141 mm	5	41
1981	32.0 °C31 August 1981	-12.5 °C28 February 1981	12.8 °C	1,752 mm	13	66
1980	32.1 °C23 July 1980	-7.8 °C7 February 1980	13.1 °C	2,069 mm	3	70
1979	32.4 °C1 August 1979	-13.1 °C16 January 1979	14.4 °C	2,107 mm	21	46
1978	33.5 °C24 August 1978	-12.9 °C19 February 1978	13.7 °C	1,476 mm	34	68
1977	31.9 °C5 August 1977	-12.7 °C17 February 1977	13.6 °C	2,037 mm	7	65
1976	31.7 °C23 August 1976	-8.7 °C21 March 1976	13.1 °C	1,954 mm	12	52
1975	32.5 °C5 August 1975	-9.4 °C16 February 1975	13.4 °C	1,985 mm	16	58
1974	32.2 °C30 July 1974	-11.7 °C12 February 1974	13.2 °C	2,059 mm	6	59
1973	32.9 °C19 August 1973	-4.6 °C29 January 1973	13.7 °C	1,727 mm	27	56
1972	33.0 °C8 August 1972	-7.5 °C9 February 1972	14.0 °C	2,410 mm	20	50
1971	32.8 °C8 July 1971	-11.5 °C6 January 1971	13.3 °C	2,079 mm	17	49
1970	32.9 °C18 July 1970	-10.1 °C2 March 1970	13.0 °C	1,803 mm	17	67
1969	33.6 °C30 July 1969	-10.3 °C1 March 1969	13.3 °C	1,888 mm	13	55
1968	31.7 °C20 July 1968	-10.8 °C22 February 1968	13.3 °C	2,142 mm	8	62
1967	33.2 °C25 August 1967	-14.3 °C14 February 1967	13.4 °C	1,699 mm	19	73
1966	31.0 °C17 July 1966	-11.6 °C29 December 1966	12.8 °C	2,035 mm	4	61
1965	32.1 °C30 July 1965	-9.2 °C4 February 1965	12.5 °C	1,866 mm	3	80
1964	32.3 °C16 August 1964	-9.7 °C29 February 1964	13.7 °C	2,012 mm	21	55
1963	33.1 °C29 June 1963	-7.3 °C19 February 1963	13.3 °C	1,595 mm	19	80
1962	35.4 °C4 August 1962	-6.2 °C26 January 1962	13.6 °C	1,672 mm	26	64
1961	33.4 °C26 July 1961	-4.5 °C2 February 1961	14.3 °C	1,665 mm	22	64
1960	31.4 °C22 July 1960	-7.2 °C25 January 1960	13.8 °C	1,858 mm	20	50
1959	32.9 °C2 September 1959	-7.4 °C19 January 1959	14.1 °C	2,327 mm	19	51
1958	33.9 °C1 August 1958	-9.9 °C31 March 1958	13.6 °C	1,918 mm	16	53
1957	32.0 °C29 July 1957	-10.1 °C12 February 1957	13.3 °C	1,936 mm	14	62
1956	32.5 °C2 August 1956	-9.1 °C26 January 1956	13.2 °C	1,820 mm	10	82
1955	33.0 °C1 August 1955	-6.0 °C12 January 1955	14.1 °C	1,614 mm	17	51
1954	32.2 °C9 August 1954	-12.2 °C30 January 1954	13.4 °C	1,909 mm	10	56
1953	33.5 °C21 August 1953	-11.6 °C23 February 1953	13.3 °C	1,948 mm	9	56
1952	31.7 °C20 August 1952	-16.1 °C6 February 1952	12.1 °C	1,802 mm	4	98
1951	31.8 °C10 August 1951	-14.2 °C15 January 1951	12.6 °C	1,729 mm	6	68
1950	30.7 °C9 July 1950	-11.4 °C28 February 1950	12.8 °C	1,566 mm	1	80
1949	30.3 °C18 July 1949	-7.8 °C30 December 1949	12.6 °C	1,895 mm	1	72
1948	29.6 °C8 July 1948	-5.1 °C7 February 1948	13.1 °C	1,731 mm	0	64
1947	32.1 °C28 July 1947	-10.9 °C18 February 1947	11.9 °C	1,354 mm	20	95
1946	32.6 °C16 July 1946	-9.3 °C4 February 1946	12.8 °C	1,412 mm	10	90
1945	29.7 °C9 September 1945	-15.4 °C24 February 1945	12.1 °C	1,828 mm	0	89
1944	30.8 °C10 August 1944	-6.5 °C26 February 1944	12.8 °C	1,199 mm	6	89
1943	29.6 °C10 August 1943	-8.3 °C22 February 1943	12.3 °C	876 mm	0	84
1942	31.4 °C17 August 1942	-13.1 °C21 February 1942	12.6 °C	1,058 mm	3	85
1941	30.5 °C28 July 1941	-11.5 °C26 January 1941	12.5 °C	1,861 mm	1	75
1940	33.4 °C25 July 1940	-10.2 °C10 February 1940	12.2 °C	1,085 mm	9	91

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

20.0 °C

+2.4 °C

Hot days (≥ 30 °C)

68 d/yr

+50

Frost days (< 0 °C)

48 d/yr

-8

Annual rainfall

1313 mm

-494 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.8 °C	+2.3 °C	47 mm	-20 mm
Feb	9.9 °C	+1.9 °C	30 mm	-55 mm
Mar	14.0 °C	+2.7 °C	182 mm	+40 mm
Apr	18.6 °C	+2.1 °C	150 mm	+4 mm
May	21.3 °C	+0.7 °C	209 mm	+47 mm
Jun	26.9 °C	+3.6 °C	139 mm	-72 mm
Jul	30.7 °C	+3.6 °C	96 mm	-102 mm
Aug	32.2 °C	+3.8 °C	45 mm	-137 mm
Sep	28.6 °C	+3.9 °C	159 mm	-66 mm
Oct	20.1 °C	+0.7 °C	144 mm	-61 mm
Nov	15.7 °C	+1.0 °C	31 mm	-83 mm
Dec	11.8 °C	+1.7 °C	81 mm	+13 mm

The year's extremes

Hottest day

36.2 °C

5 Aug 2025

Coldest day

-4.0 °C

23 Feb 2025

Wettest day

54.8 mm

2 May 2025

Windiest day

25.4 km/h

14 Jul 2025

Strongest gust

69.5 km/h

10 Aug 2025

Hottest feels-like

42.9 °C

5 Aug 2025

Coldest feels-like

-8.4 °C

23 Feb 2025

Snowiest day

7.7 cm

4 Mar 2025

Sunniest day

14.0 h

28 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 Atsugi?

Atsugi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 1,807 mm of precipitation per year.

What is the hottest day ever recorded in Atsugi?

The hottest day measured in Atsugi between 1940 and 2025 was 15 August 1996, reaching 36.3 °C.

What is the coldest day in Atsugi?

The coldest day measured in Atsugi between 1940 and 2025 was 6 February 1952, at -16.1 °C.

Does it snow in Atsugi?

Yes. Atsugi gets on average 45.9 cm of snow per year and has around 56 frost days.

Has the climate of Atsugi warmed?

Yes: Atsugi warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Atsugi?

The wettest day measured in Atsugi between 1940 and 2025 was 12 October 2019, with 244 mm of rain in 24 hours.

What was the windiest day in Atsugi?

The windiest day measured in Atsugi between 1940 and 2025 was 1 October 2018, with winds reaching 57.8 km/h.

What is the warmest month in Atsugi?

The warmest month in Atsugi is August (25.1 °C on average); the coldest is January (2.6 °C).

How much does it rain in Atsugi?

Atsugi receives on average 1,807 mm of precipitation per year, spread over about 169 rainy days.

Is it sunny in Atsugi?

Atsugi gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.

What is the biggest single-day snowfall in Atsugi?

The heaviest 24-hour snowfall measured in Atsugi between 1940 and 2025 was 12 March 1969, with 43.7 cm.

Are there tropical nights in Atsugi?

Yes: Atsugi has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Atsugi?

In Atsugi, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 5 August 2025, and the lowest was -20.9 °C on 6 February 1952.

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