Nogi climate — normals and trends

Q: What is the climate of Nogi?

Nogi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 1,571 mm of precipitation per year.

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

The hottest day measured in Nogi between 1940 and 2025 was 5 August 2025, reaching 37.9 °C.

Q: What is the coldest day in Nogi?

The coldest day measured in Nogi between 1940 and 2025 was 16 February 1967, at -17.2 °C.

Q: Does it snow in Nogi?

Yes. Nogi gets on average 22.8 cm of snow per year and has around 63 frost days.

Q: Has the climate of Nogi warmed?

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

Q: What is the wettest day in Nogi?

The wettest day measured in Nogi between 1940 and 2025 was 26 September 1958, with 200 mm of rain in 24 hours.

Q: What was the windiest day in Nogi?

The windiest day measured in Nogi between 1940 and 2025 was 16 September 1961, with winds reaching 62.6 km/h.

Q: What is the warmest month in Nogi?

The warmest month in Nogi is August (26.0 °C on average); the coldest is January (2.6 °C).

Q: How much does it rain in Nogi?

Nogi receives on average 1,571 mm of precipitation per year, spread over about 153 rainy days.

Q: Is it sunny in Nogi?

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

Nogi (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.1 °C and it receives 1,571 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 (26.0 °C on average) and the coldest is January (2.6 °C). Rainfall peaks in September.

Nogi averages 63 frost days, 35 hot days (≥ 30 °C) and 153 rainy days per year.

Nogi 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 86 to 40 per year over the period.

The hottest day of the period reached 37.9 °C (on 5 August 2025) and the coldest -17.2 °C (on 16 February 1967).

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

NogiTochigi

coords: 36.23°, 139.73°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthSeptemberDriest monthJanuary

Mean daily temperature

14.1°C

Average daily high

18.6°C

Average daily low

10.2°C

Annual rainfall

1,571mm

Sunshine / day

8.1h

Mean relative humidity

73%

Average peak wind

13.6km/h

Seasonal range

23.4°C

Frost days (< 0 °C)

63 d/yr

Hot days (≥ 30 °C)

35 d/yr

Rainy days (≥ 1 mm)

153 d/yr

Annual snowfall

22.8 cm

Average feels-like high

18.3 °C

Average feels-like low

9.4 °C

Average peak gust

28.6 km/h

Tropical nights (≥ 20 °C)

71 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 = 0.67 · 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

37.9 °C

5 August 2025

Coldest day

-17.2 °C

16 February 1967

Wettest day

200 mm

26 September 1958

Windiest day

62.6 km/h

16 September 1961

Strongest gust

147.6 km/h

27 September 1959

Hottest feels-like

45.0 °C

10 August 2013

Coldest feels-like

-22.2 °C

16 February 1967

Snowiest day

30.0 cm

12 March 1969

Sunniest day

14.0 h

25 June 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.9 °C5 August 2025	-5.3 °C12 February 2025	15.7 °C	1,252 mm	82	60
2024	36.7 °C28 July 2024	-4.1 °C12 January 2024	16.4 °C	1,829 mm	74	53
2023	36.4 °C16 July 2023	-4.8 °C26 January 2023	16.5 °C	1,354 mm	79	41
2022	37.2 °C30 June 2022	-4.4 °C7 January 2022	15.4 °C	1,469 mm	57	58
2021	34.8 °C10 August 2021	-4.8 °C9 January 2021	15.5 °C	1,786 mm	37	49
2020	36.4 °C11 August 2020	-5.8 °C7 February 2020	15.5 °C	1,539 mm	43	33
2019	35.0 °C7 August 2019	-4.4 °C10 February 2019	15.5 °C	1,646 mm	44	45
2018	36.7 °C26 August 2018	-10.2 °C24 January 2018	15.9 °C	1,391 mm	60	41
2017	35.1 °C9 August 2017	-3.4 °C18 December 2017	14.8 °C	1,507 mm	40	49
2016	35.7 °C9 August 2016	-4.3 °C13 January 2016	15.3 °C	1,572 mm	45	53
2015	35.8 °C7 August 2015	-3.9 °C29 January 2015	15.4 °C	1,649 mm	37	37
2014	37.1 °C5 August 2014	-6.3 °C5 February 2014	14.7 °C	1,568 mm	34	66
2013	37.6 °C10 August 2013	-8.0 °C16 January 2013	15.1 °C	1,380 mm	47	56
2012	34.0 °C17 August 2012	-5.0 °C27 January 2012	14.3 °C	1,540 mm	52	69
2011	35.2 °C18 August 2011	-4.5 °C16 January 2011	14.6 °C	1,617 mm	47	68
2010	34.8 °C23 July 2010	-4.1 °C15 January 2010	15.1 °C	1,884 mm	60	44
2009	33.1 °C15 July 2009	-3.5 °C25 January 2009	15.0 °C	1,681 mm	18	30
2008	34.9 °C15 August 2008	-3.3 °C4 February 2008	14.8 °C	1,500 mm	35	42
2007	37.1 °C16 August 2007	-3.7 °C25 February 2007	15.2 °C	1,501 mm	43	30
2006	34.5 °C5 August 2006	-4.6 °C5 February 2006	14.9 °C	1,811 mm	29	36
2005	34.7 °C5 August 2005	-3.9 °C10 January 2005	14.5 °C	1,455 mm	48	63
2004	36.7 °C20 July 2004	-3.5 °C23 January 2004	15.5 °C	1,707 mm	57	36
2003	33.6 °C24 August 2003	-4.6 °C22 December 2003	14.3 °C	1,809 mm	27	45
2002	36.7 °C11 August 2002	-3.1 °C11 December 2002	14.9 °C	1,471 mm	51	34
2001	37.1 °C13 July 2001	-12.9 °C30 January 2001	14.5 °C	1,360 mm	41	61
2000	36.3 °C2 September 2000	-3.8 °C28 January 2000	15.0 °C	1,567 mm	48	41
1999	34.1 °C30 July 1999	-7.5 °C20 February 1999	15.2 °C	1,515 mm	46	44
1998	34.7 °C3 July 1998	-10.8 °C10 January 1998	14.9 °C	2,154 mm	29	47
1997	36.4 °C5 July 1997	-4.2 °C7 January 1997	14.9 °C	1,370 mm	39	42
1996	36.7 °C15 August 1996	-9.5 °C20 February 1996	14.1 °C	1,403 mm	34	52
1995	35.5 °C19 August 1995	-3.2 °C5 March 1995	14.6 °C	1,373 mm	42	52
1994	37.6 °C4 August 1994	-11.1 °C23 January 1994	15.1 °C	1,422 mm	60	60
1993	33.2 °C28 August 1993	-3.3 °C15 February 1993	13.9 °C	1,797 mm	12	40
1992	34.6 °C4 September 1992	-5.0 °C5 February 1992	14.3 °C	1,459 mm	40	46
1991	36.5 °C24 July 1991	-3.8 °C24 February 1991	14.9 °C	1,850 mm	35	48
1990	37.0 °C24 August 1990	-10.8 °C3 February 1990	15.3 °C	1,641 mm	54	38
1989	32.9 °C28 August 1989	-2.2 °C15 January 1989	14.6 °C	1,604 mm	25	28
1988	32.5 °C22 August 1988	-4.2 °C16 February 1988	13.6 °C	1,704 mm	16	57
1987	37.1 °C24 July 1987	-5.8 °C8 December 1987	14.5 °C	1,375 mm	39	62
1986	33.9 °C4 September 1986	-8.5 °C21 February 1986	13.4 °C	1,531 mm	28	72
1985	33.2 °C2 September 1985	-7.9 °C30 January 1985	13.9 °C	1,678 mm	45	64
1984	35.9 °C2 September 1984	-11.7 °C5 February 1984	12.9 °C	1,083 mm	41	99
1983	34.4 °C30 August 1983	-7.0 °C23 January 1983	13.8 °C	1,617 mm	29	65
1982	32.2 °C22 August 1982	-6.6 °C18 January 1982	14.2 °C	1,680 mm	14	47
1981	32.9 °C18 July 1981	-12.7 °C18 February 1981	13.0 °C	1,570 mm	28	90
1980	33.0 °C23 July 1980	-9.4 °C25 March 1980	13.4 °C	1,654 mm	11	84
1979	33.7 °C31 July 1979	-9.6 °C16 January 1979	14.8 °C	1,897 mm	31	55
1978	36.0 °C21 August 1978	-9.9 °C4 January 1978	13.9 °C	1,435 mm	54	74
1977	33.4 °C5 August 1977	-13.7 °C16 February 1977	13.8 °C	1,881 mm	19	72
1976	32.8 °C1 August 1976	-6.0 °C27 December 1976	13.3 °C	1,823 mm	19	69
1975	34.2 °C5 August 1975	-5.3 °C23 February 1975	14.0 °C	1,703 mm	44	66
1974	32.8 °C30 July 1974	-6.9 °C11 February 1974	13.5 °C	1,910 mm	23	70
1973	35.3 °C19 August 1973	-3.2 °C30 December 1973	14.1 °C	1,450 mm	40	70
1972	34.6 °C8 August 1972	-5.6 °C8 February 1972	14.4 °C	1,876 mm	30	48
1971	33.8 °C8 July 1971	-7.7 °C11 January 1971	13.6 °C	1,916 mm	34	68
1970	34.1 °C23 July 1970	-9.3 °C6 January 1970	13.4 °C	1,535 mm	36	79
1969	34.5 °C14 August 1969	-7.8 °C1 March 1969	13.7 °C	1,635 mm	31	78
1968	33.4 °C22 July 1968	-15.7 °C22 February 1968	13.8 °C	1,669 mm	20	66
1967	34.7 °C11 August 1967	-17.2 °C16 February 1967	13.9 °C	1,642 mm	38	79
1966	32.2 °C8 August 1966	-5.4 °C25 January 1966	13.2 °C	1,786 mm	21	83
1965	33.6 °C30 July 1965	-6.3 °C31 January 1965	12.9 °C	1,546 mm	19	79
1964	34.5 °C17 August 1964	-5.6 °C13 February 1964	14.1 °C	1,785 mm	42	60
1963	35.3 °C13 August 1963	-6.2 °C14 March 1963	13.9 °C	1,453 mm	35	73
1962	35.4 °C9 August 1962	-4.8 °C28 February 1962	14.2 °C	1,610 mm	41	75
1961	35.1 °C26 July 1961	-5.1 °C3 February 1961	14.8 °C	1,422 mm	46	68
1960	33.5 °C21 July 1960	-6.4 °C12 February 1960	14.3 °C	1,562 mm	29	55
1959	33.8 °C28 August 1959	-8.8 °C6 January 1959	14.4 °C	1,837 mm	35	56
1958	35.2 °C1 August 1958	-9.7 °C30 March 1958	14.1 °C	1,759 mm	30	59
1957	33.4 °C28 July 1957	-5.6 °C12 February 1957	13.8 °C	1,635 mm	24	69
1956	34.8 °C1 August 1956	-12.1 °C25 January 1956	13.7 °C	1,638 mm	32	79
1955	35.6 °C31 July 1955	-5.7 °C17 January 1955	14.5 °C	1,536 mm	39	64
1954	34.9 °C23 August 1954	-14.6 °C28 January 1954	13.8 °C	1,458 mm	28	54
1953	35.7 °C21 August 1953	-11.3 °C23 February 1953	13.6 °C	1,596 mm	20	64
1952	32.7 °C20 August 1952	-12.6 °C20 February 1952	12.4 °C	1,452 mm	18	103
1951	33.5 °C9 August 1951	-12.8 °C19 February 1951	13.0 °C	1,554 mm	22	85
1950	31.9 °C7 July 1950	-5.4 °C21 February 1950	13.5 °C	1,374 mm	19	96
1949	31.6 °C6 August 1949	-5.7 °C30 December 1949	13.1 °C	1,435 mm	20	84
1948	30.7 °C6 July 1948	-4.9 °C2 January 1948	13.6 °C	1,394 mm	9	77
1947	33.3 °C5 August 1947	-6.4 °C20 December 1947	12.3 °C	1,343 mm	26	104
1946	34.8 °C17 July 1946	-8.4 °C12 March 1946	13.3 °C	1,188 mm	28	98
1945	31.6 °C4 August 1945	-10.0 °C27 February 1945	12.5 °C	1,700 mm	12	99
1944	32.3 °C9 August 1944	-6.1 °C3 February 1944	13.3 °C	1,356 mm	19	87
1943	31.4 °C8 August 1943	-11.3 °C2 February 1943	12.9 °C	865 mm	18	96
1942	33.4 °C11 July 1942	-9.1 °C26 February 1942	13.2 °C	1,242 mm	29	87
1941	31.4 °C17 August 1941	-6.6 °C17 December 1941	12.8 °C	1,711 mm	8	86
1940	33.5 °C25 July 1940	-6.8 °C22 December 1940	12.8 °C	1,154 mm	23	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

20.8 °C

+2.2 °C

Hot days (≥ 30 °C)

82 d/yr

+47

Frost days (< 0 °C)

60 d/yr

-3

Annual rainfall

1252 mm

-319 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.9 °C	+2.3 °C	35 mm	-9 mm
Feb	9.6 °C	+1.1 °C	5 mm	-49 mm
Mar	14.6 °C	+2.5 °C	153 mm	+55 mm
Apr	19.4 °C	+1.7 °C	129 mm	+8 mm
May	22.4 °C	+0.2 °C	204 mm	+52 mm
Jun	28.4 °C	+3.6 °C	165 mm	-25 mm
Jul	32.5 °C	+4.0 °C	92 mm	-113 mm
Aug	33.8 °C	+3.9 °C	74 mm	-106 mm
Sep	29.6 °C	+3.7 °C	162 mm	-54 mm
Oct	21.1 °C	+0.8 °C	137 mm	-38 mm
Nov	16.3 °C	+1.2 °C	28 mm	-60 mm
Dec	11.4 °C	+1.3 °C	68 mm	+19 mm

The year's extremes

Hottest day

37.9 °C

5 Aug 2025

Coldest day

-5.3 °C

12 Feb 2025

Wettest day

49.4 mm

5 Sep 2025

Windiest day

37.6 km/h

13 Feb 2025

Strongest gust

71.3 km/h

13 Feb 2025

Hottest feels-like

44.1 °C

5 Aug 2025

Coldest feels-like

-9.1 °C

12 Feb 2025

Snowiest day

8.2 cm

19 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 Nogi?

Nogi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 1,571 mm of precipitation per year.

What is the hottest day ever recorded in Nogi?

The hottest day measured in Nogi between 1940 and 2025 was 5 August 2025, reaching 37.9 °C.

What is the coldest day in Nogi?

The coldest day measured in Nogi between 1940 and 2025 was 16 February 1967, at -17.2 °C.

Does it snow in Nogi?

Yes. Nogi gets on average 22.8 cm of snow per year and has around 63 frost days.

Has the climate of Nogi warmed?

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

What is the wettest day in Nogi?

The wettest day measured in Nogi between 1940 and 2025 was 26 September 1958, with 200 mm of rain in 24 hours.

What was the windiest day in Nogi?

The windiest day measured in Nogi between 1940 and 2025 was 16 September 1961, with winds reaching 62.6 km/h.

What is the warmest month in Nogi?

The warmest month in Nogi is August (26.0 °C on average); the coldest is January (2.6 °C).

How much does it rain in Nogi?

Nogi receives on average 1,571 mm of precipitation per year, spread over about 153 rainy days.

Is it sunny in Nogi?

Nogi 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 Nogi?

The heaviest 24-hour snowfall measured in Nogi between 1940 and 2025 was 12 March 1969, with 30.0 cm.

Are there tropical nights in Nogi?

Yes: Nogi has on average 71 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nogi?

In Nogi, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 10 August 2013, and the lowest was -22.2 °C on 16 February 1967.

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