Naxi climate — normals and trends

Q: What is the climate of Naxi?

Naxi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 1,218 mm of precipitation per year.

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

The hottest day measured in Naxi between 1940 and 2025 was 24 August 2022, reaching 42.4 °C.

Q: What is the coldest day in Naxi?

The coldest day measured in Naxi between 1940 and 2025 was 15 December 1975, at -7.0 °C.

Q: Does it snow in Naxi?

Yes. Naxi gets on average 1.2 cm of snow per year and has around 1 frost days.

Q: Has the climate of Naxi warmed?

Yes: Naxi warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Naxi?

The wettest day measured in Naxi between 1940 and 2025 was 25 July 1954, with 168 mm of rain in 24 hours.

Q: What was the windiest day in Naxi?

The windiest day measured in Naxi between 1940 and 2025 was 13 May 1946, with winds reaching 50.4 km/h.

Q: What is the warmest month in Naxi?

The warmest month in Naxi is July (27.8 °C on average); the coldest is January (8.2 °C).

Q: How much does it rain in Naxi?

Naxi receives on average 1,218 mm of precipitation per year, spread over about 179 rainy days.

Q: Is it sunny in Naxi?

Naxi gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.

Naxi (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.4 °C and it receives 1,218 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 July (27.8 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in July.

Naxi averages 1 frost days, 71 hot days (≥ 30 °C) and 179 rainy days per year.

Naxi has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The number of frost days there went from about 2 to 0 per year over the period.

The hottest day of the period reached 42.4 °C (on 24 August 2022) and the coldest -7.0 °C (on 15 December 1975).

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

NaxiSichuan

coords: 28.77°, 105.36°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.4°C

Average daily high

21.7°C

Average daily low

15.6°C

Annual rainfall

1,218mm

Sunshine / day

6.0h

Mean relative humidity

79%

Average peak wind

9.4km/h

Seasonal range

19.6°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

71 d/yr

Rainy days (≥ 1 mm)

179 d/yr

Annual snowfall

1.2 cm

Average feels-like high

23.2 °C

Average feels-like low

16.5 °C

Average peak gust

20.7 km/h

Tropical nights (≥ 20 °C)

123 d/yr

Solar radiation

11.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.33 · 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

42.4 °C

24 August 2022

Coldest day

-7.0 °C

15 December 1975

Wettest day

168 mm

25 July 1954

Windiest day

50.4 km/h

13 May 1946

Strongest gust

77.0 km/h

30 April 2001

Hottest feels-like

48.0 °C

16 July 2002

Coldest feels-like

-11.6 °C

15 December 1975

Snowiest day

5.5 cm

27 December 1991

Sunniest day

13.8 h

16 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.5 °C3 August 2025	2.6 °C12 January 2025	19.7 °C	1,199 mm	109	0
2024	41.2 °C28 August 2024	2.3 °C22 January 2024	20.1 °C	1,150 mm	103	0
2023	38.6 °C23 July 2023	0.4 °C18 January 2023	19.7 °C	1,067 mm	92	0
2022	42.4 °C24 August 2022	1.8 °C23 February 2022	19.7 °C	945 mm	96	0
2021	40.3 °C3 August 2021	-1.5 °C12 January 2021	18.9 °C	1,090 mm	81	1
2020	38.6 °C6 August 2020	1.8 °C21 December 2020	18.7 °C	1,162 mm	78	0
2019	38.0 °C26 August 2019	3.7 °C16 January 2019	18.8 °C	904 mm	69	0
2018	40.1 °C20 July 2018	1.0 °C10 January 2018	18.9 °C	1,175 mm	89	0
2017	39.4 °C26 July 2017	2.6 °C20 December 2017	19.1 °C	886 mm	80	0
2016	38.9 °C25 August 2016	-0.6 °C25 January 2016	19.1 °C	1,314 mm	82	1
2015	37.9 °C2 August 2015	3.6 °C17 December 2015	19.4 °C	1,133 mm	68	0
2014	37.6 °C30 July 2014	1.9 °C19 December 2014	18.5 °C	1,147 mm	56	0
2013	38.9 °C6 August 2013	2.1 °C1 January 2013	19.7 °C	1,101 mm	105	0
2012	38.2 °C12 August 2012	0.2 °C31 December 2012	18.1 °C	1,070 mm	62	0
2011	42.2 °C17 August 2011	0.9 °C21 January 2011	18.9 °C	832 mm	105	0
2010	40.2 °C11 August 2010	2.2 °C19 February 2010	18.7 °C	1,080 mm	73	0
2009	39.3 °C19 July 2009	2.4 °C27 January 2009	19.3 °C	909 mm	94	0
2008	37.0 °C27 July 2008	-0.7 °C29 January 2008	18.7 °C	1,044 mm	81	1
2007	36.5 °C8 August 2007	1.8 °C19 January 2007	19.2 °C	1,185 mm	85	0
2006	41.6 °C14 August 2006	-0.3 °C9 January 2006	19.5 °C	1,034 mm	94	1
2005	36.9 °C1 August 2005	0.5 °C2 January 2005	18.5 °C	1,205 mm	78	0
2004	36.1 °C23 July 2004	1.3 °C31 December 2004	18.4 °C	1,269 mm	66	0
2003	37.4 °C31 July 2003	1.9 °C10 January 2003	18.8 °C	1,142 mm	57	0
2002	38.4 °C16 July 2002	2.5 °C28 December 2002	19.0 °C	1,068 mm	71	0
2001	37.3 °C22 July 2001	1.7 °C22 December 2001	18.8 °C	1,100 mm	55	0
2000	37.1 °C26 July 2000	2.9 °C1 January 2000	18.3 °C	1,519 mm	64	0
1999	36.0 °C31 July 1999	0.9 °C25 December 1999	18.6 °C	1,357 mm	61	0
1998	36.4 °C18 July 1998	1.0 °C23 January 1998	19.3 °C	1,438 mm	81	0
1997	37.8 °C11 August 1997	2.3 °C24 January 1997	18.5 °C	1,129 mm	71	0
1996	37.5 °C4 August 1996	0.6 °C24 February 1996	17.8 °C	1,196 mm	64	0
1995	38.1 °C6 September 1995	2.1 °C5 January 1995	18.3 °C	1,190 mm	78	0
1994	39.1 °C5 August 1994	-0.7 °C23 January 1994	18.7 °C	1,149 mm	91	1
1993	38.2 °C13 July 1993	-0.1 °C24 January 1993	18.1 °C	1,056 mm	57	1
1992	38.3 °C27 July 1992	0.6 °C14 January 1992	18.0 °C	1,015 mm	64	0
1991	37.0 °C25 July 1991	0.1 °C27 December 1991	18.2 °C	1,113 mm	69	0
1990	37.2 °C5 August 1990	3.5 °C31 January 1990	18.6 °C	1,127 mm	84	0
1989	36.2 °C12 June 1989	-1.2 °C14 January 1989	17.8 °C	1,320 mm	58	1
1988	38.0 °C2 May 1988	2.1 °C18 January 1988	17.9 °C	1,121 mm	65	0
1987	35.4 °C3 June 1987	2.2 °C27 January 1987	18.5 °C	1,190 mm	55	0
1986	36.7 °C7 August 1986	-0.5 °C3 March 1986	17.7 °C	1,239 mm	68	1
1985	37.1 °C5 August 1985	2.0 °C15 December 1985	17.8 °C	1,350 mm	58	0
1984	36.5 °C5 June 1984	1.3 °C19 December 1984	17.7 °C	1,277 mm	65	0
1983	36.3 °C25 July 1983	2.2 °C31 December 1983	18.2 °C	1,507 mm	56	0
1982	36.7 °C3 August 1982	-0.5 °C26 December 1982	17.8 °C	1,409 mm	58	2
1981	36.8 °C7 July 1981	2.1 °C27 January 1981	18.1 °C	1,073 mm	74	0
1980	37.1 °C30 June 1980	-3.1 °C31 January 1980	18.2 °C	1,160 mm	58	2
1979	37.6 °C11 July 1979	0.8 °C23 November 1979	18.4 °C	1,437 mm	51	0
1978	38.7 °C11 July 1978	1.8 °C21 January 1978	18.6 °C	1,040 mm	85	0
1977	38.5 °C6 August 1977	-1.8 °C30 January 1977	18.2 °C	1,232 mm	67	2
1976	37.7 °C29 July 1976	1.0 °C28 December 1976	17.5 °C	988 mm	58	0
1975	38.3 °C17 July 1975	-7.0 °C15 December 1975	18.4 °C	1,232 mm	72	5
1974	36.6 °C30 July 1974	1.9 °C11 February 1974	18.0 °C	1,253 mm	50	0
1973	36.7 °C26 August 1973	2.2 °C31 December 1973	18.8 °C	1,228 mm	75	0
1972	39.1 °C13 August 1972	1.8 °C6 February 1972	18.5 °C	1,092 mm	80	0
1971	37.9 °C3 July 1971	2.8 °C8 January 1971	18.5 °C	1,134 mm	76	0
1970	38.3 °C16 August 1970	-0.6 °C7 January 1970	17.9 °C	1,198 mm	69	1
1969	37.5 °C30 May 1969	0.9 °C4 February 1969	18.5 °C	1,202 mm	87	0
1968	36.4 °C31 July 1968	0.6 °C14 February 1968	17.7 °C	1,599 mm	54	0
1967	39.2 °C17 July 1967	-1.9 °C12 January 1967	17.7 °C	1,514 mm	67	2
1966	36.5 °C3 August 1966	-0.3 °C29 January 1966	18.0 °C	1,184 mm	61	1
1965	33.6 °C29 July 1965	1.2 °C15 January 1965	17.7 °C	1,388 mm	39	0
1964	37.2 °C12 July 1964	1.5 °C26 February 1964	18.3 °C	1,327 mm	58	0
1963	38.9 °C26 July 1963	0.8 °C5 January 1963	19.2 °C	1,098 mm	86	0
1962	38.1 °C14 July 1962	-0.1 °C30 December 1962	18.3 °C	1,150 mm	69	1
1961	38.7 °C22 August 1961	1.0 °C16 January 1961	18.6 °C	1,318 mm	93	0
1960	38.0 °C4 July 1960	-0.7 °C26 January 1960	18.6 °C	1,187 mm	75	1
1959	38.8 °C12 July 1959	1.1 °C13 January 1959	18.7 °C	936 mm	90	0
1958	37.4 °C24 July 1958	0.8 °C15 January 1958	18.7 °C	1,181 mm	88	0
1957	38.1 °C31 August 1957	-1.9 °C13 February 1957	18.0 °C	1,149 mm	53	1
1956	35.8 °C8 June 1956	-0.6 °C10 January 1956	18.1 °C	1,285 mm	78	2
1955	33.6 °C1 September 1955	-2.2 °C6 January 1955	18.1 °C	1,283 mm	63	5
1954	34.5 °C2 September 1954	0.9 °C31 December 1954	18.2 °C	1,742 mm	57	0
1953	35.6 °C16 August 1953	2.2 °C27 January 1953	19.0 °C	1,219 mm	75	0
1952	36.5 °C1 July 1952	1.4 °C18 February 1952	18.6 °C	1,267 mm	65	0
1951	36.1 °C6 August 1951	0.3 °C14 January 1951	18.2 °C	1,293 mm	72	0
1950	34.0 °C23 July 1950	0.8 °C17 December 1950	18.0 °C	1,537 mm	41	0
1949	35.0 °C23 August 1949	-0.8 °C9 January 1949	18.4 °C	1,262 mm	69	1
1948	33.5 °C13 September 1948	-0.4 °C29 January 1948	18.3 °C	1,179 mm	60	2
1947	34.8 °C14 August 1947	-1.1 °C20 December 1947	18.4 °C	1,432 mm	75	2
1946	37.8 °C19 July 1946	0.1 °C6 January 1946	18.6 °C	1,580 mm	100	0
1945	34.1 °C25 July 1945	-2.7 °C9 February 1945	17.2 °C	1,328 mm	49	11
1944	35.9 °C4 August 1944	-3.4 °C21 December 1944	17.4 °C	1,342 mm	66	6
1943	33.6 °C4 August 1943	-1.3 °C8 February 1943	18.0 °C	1,983 mm	28	1
1942	32.8 °C3 July 1942	0.5 °C8 January 1942	18.4 °C	1,640 mm	43	0
1941	34.7 °C11 July 1941	1.3 °C2 February 1941	18.1 °C	1,139 mm	49	0
1940	34.9 °C15 July 1940	-1.1 °C3 February 1940	17.9 °C	1,029 mm	66	1

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

23.4 °C

+1.7 °C

Hot days (≥ 30 °C)

109 d/yr

+38

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1199 mm

-19 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.3 °C	+1.7 °C	44 mm	+9 mm
Feb	12.0 °C	-0.7 °C	44 mm	+8 mm
Mar	17.3 °C	-0.6 °C	52 mm	-1 mm
Apr	25.7 °C	+2.6 °C	59 mm	-24 mm
May	28.2 °C	+1.7 °C	133 mm	+11 mm
Jun	31.4 °C	+2.7 °C	113 mm	-50 mm
Jul	34.9 °C	+3.2 °C	192 mm	-21 mm
Aug	34.8 °C	+3.2 °C	179 mm	-22 mm
Sep	28.9 °C	+1.8 °C	185 mm	+54 mm
Oct	23.4 °C	+2.0 °C	116 mm	+29 mm
Nov	16.9 °C	+0.1 °C	55 mm	-4 mm
Dec	13.6 °C	+1.8 °C	29 mm	-9 mm

The year's extremes

Hottest day

41.5 °C

3 Aug 2025

Coldest day

2.6 °C

12 Jan 2025

Wettest day

35.5 mm

30 Jun 2025

Windiest day

30.0 km/h

12 Apr 2025

Strongest gust

54.4 km/h

12 Apr 2025

Hottest feels-like

47.2 °C

16 Jul 2025

Coldest feels-like

0.4 °C

12 Jan 2025

Sunniest day

13.8 h

16 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 Naxi?

Naxi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 1,218 mm of precipitation per year.

What is the hottest day ever recorded in Naxi?

The hottest day measured in Naxi between 1940 and 2025 was 24 August 2022, reaching 42.4 °C.

What is the coldest day in Naxi?

The coldest day measured in Naxi between 1940 and 2025 was 15 December 1975, at -7.0 °C.

Does it snow in Naxi?

Yes. Naxi gets on average 1.2 cm of snow per year and has around 1 frost days.

Has the climate of Naxi warmed?

Yes: Naxi warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Naxi?

The wettest day measured in Naxi between 1940 and 2025 was 25 July 1954, with 168 mm of rain in 24 hours.

What was the windiest day in Naxi?

The windiest day measured in Naxi between 1940 and 2025 was 13 May 1946, with winds reaching 50.4 km/h.

What is the warmest month in Naxi?

The warmest month in Naxi is July (27.8 °C on average); the coldest is January (8.2 °C).

How much does it rain in Naxi?

Naxi receives on average 1,218 mm of precipitation per year, spread over about 179 rainy days.

Is it sunny in Naxi?

Naxi gets on average 6.0 hours of sunshine per day, roughly 2,190 hours per year over 1940-2025.

What is the biggest single-day snowfall in Naxi?

The heaviest 24-hour snowfall measured in Naxi between 1940 and 2025 was 27 December 1991, with 5.5 cm.

Are there tropical nights in Naxi?

Yes: Naxi has on average 123 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Naxi?

In Naxi, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 16 July 2002, and the lowest was -11.6 °C on 15 December 1975.

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