Hechi climate — normals and trends

Q: What is the climate of Hechi?

Hechi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 2,618 mm of precipitation per year.

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

The hottest day measured in Hechi between 1940 and 2025 was 2 July 1961, reaching 38.2 °C.

Q: What is the coldest day in Hechi?

The coldest day measured in Hechi between 1940 and 2025 was 15 January 1963, at -3.2 °C.

Q: Does it snow in Hechi?

Yes. Hechi gets on average 1.1 cm of snow per year and has around 1 frost days.

Q: Has the climate of Hechi warmed?

Yes: Hechi warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hechi?

The wettest day measured in Hechi between 1940 and 2025 was 7 August 1942, with 193 mm of rain in 24 hours.

Q: What was the windiest day in Hechi?

The windiest day measured in Hechi between 1940 and 2025 was 28 May 1946, with winds reaching 34.0 km/h.

Q: What is the warmest month in Hechi?

The warmest month in Hechi is July (26.5 °C on average); the coldest is January (9.8 °C).

Q: How much does it rain in Hechi?

Hechi receives on average 2,618 mm of precipitation per year, spread over about 229 rainy days.

Q: Is it sunny in Hechi?

Hechi gets on average 6.1 hours of sunshine per day, roughly 2,227 hours per year over 1940-2025.

Hechi (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.3 °C and it receives 2,618 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 (26.5 °C on average) and the coldest is January (9.8 °C). Rainfall peaks in June.

Hechi averages 1 frost days, 65 hot days (≥ 30 °C) and 229 rainy days per year.

Hechi has warmed by +1.2 °C between 1940 and 2025, or +0.14 °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 38.2 °C (on 2 July 1961) and the coldest -3.2 °C (on 15 January 1963).

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

HechiGuangxi

coords: 24.69°, 108.08°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

19.3°C

Average daily high

22.8°C

Average daily low

16.4°C

Annual rainfall

2,618mm

Sunshine / day

6.1h

Mean relative humidity

80%

Average peak wind

12.3km/h

Seasonal range

16.7°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

65 d/yr

Rainy days (≥ 1 mm)

229 d/yr

Annual snowfall

1.1 cm

Average feels-like high

24.5 °C

Average feels-like low

17.3 °C

Average peak gust

30.7 km/h

Tropical nights (≥ 20 °C)

148 d/yr

Solar radiation

11.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.41 · 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

38.2 °C

2 July 1961

Coldest day

-3.2 °C

15 January 1963

Wettest day

193 mm

7 August 1942

Windiest day

34.0 km/h

28 May 1946

Strongest gust

96.1 km/h

25 July 2003

Hottest feels-like

45.3 °C

2 July 1961

Coldest feels-like

-8.2 °C

11 February 1957

Snowiest day

17.5 cm

6 January 2003

Sunniest day

13.3 h

7 July 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.2 °C19 April 2025	1.0 °C12 January 2025	20.3 °C	2,327 mm	111	0
2024	36.3 °C25 July 2024	0.7 °C23 January 2024	20.4 °C	2,691 mm	87	0
2023	35.2 °C30 May 2023	1.2 °C25 December 2023	20.5 °C	1,779 mm	98	0
2022	35.0 °C25 July 2022	1.8 °C23 February 2022	19.7 °C	2,201 mm	98	0
2021	37.5 °C5 August 2021	0.4 °C8 January 2021	20.3 °C	2,363 mm	124	0
2020	35.9 °C9 May 2020	2.3 °C17 December 2020	19.6 °C	2,943 mm	78	0
2019	35.5 °C12 August 2019	0.8 °C1 January 2019	19.7 °C	2,759 mm	93	0
2018	34.8 °C11 July 2018	-0.4 °C31 December 2018	19.7 °C	2,221 mm	84	1
2017	35.4 °C30 July 2017	2.0 °C21 December 2017	19.9 °C	2,658 mm	80	0
2016	34.9 °C10 July 2016	1.0 °C24 January 2016	20.0 °C	2,640 mm	87	0
2015	35.0 °C19 April 2015	2.8 °C31 January 2015	20.0 °C	3,019 mm	66	0
2014	35.4 °C23 July 2014	-0.2 °C20 February 2014	19.6 °C	2,527 mm	73	2
2013	34.4 °C14 July 2013	0.6 °C4 January 2013	19.6 °C	2,339 mm	84	0
2012	34.8 °C16 August 2012	1.2 °C24 December 2012	18.9 °C	2,478 mm	72	0
2011	34.4 °C25 July 2011	0.5 °C11 January 2011	18.7 °C	1,640 mm	87	0
2010	34.5 °C20 September 2010	0.4 °C17 December 2010	19.5 °C	2,488 mm	76	0
2009	35.6 °C28 August 2009	1.5 °C10 January 2009	20.0 °C	1,831 mm	89	0
2008	35.5 °C30 July 2008	-0.7 °C27 January 2008	19.0 °C	2,252 mm	65	1
2007	34.7 °C8 August 2007	2.8 °C29 November 2007	19.6 °C	1,862 mm	73	0
2006	34.8 °C14 July 2006	1.9 °C9 January 2006	19.7 °C	2,115 mm	79	0
2005	36.3 °C13 August 2005	0.8 °C14 January 2005	19.3 °C	2,164 mm	84	0
2004	36.5 °C1 July 2004	0.6 °C9 February 2004	19.4 °C	2,194 mm	71	0
2003	34.6 °C23 July 2003	-0.1 °C6 January 2003	19.9 °C	2,085 mm	80	1
2002	35.0 °C15 July 2002	-0.4 °C26 December 2002	19.9 °C	2,602 mm	72	2
2001	34.1 °C5 July 2001	1.2 °C23 December 2001	19.6 °C	2,315 mm	75	0
2000	34.9 °C17 July 2000	-0.1 °C1 February 2000	19.0 °C	2,249 mm	72	1
1999	34.7 °C6 June 1999	-0.1 °C23 December 1999	19.9 °C	2,583 mm	78	2
1998	33.7 °C18 July 1998	1.4 °C19 January 1998	20.1 °C	2,963 mm	74	0
1997	34.7 °C20 August 1997	2.2 °C10 January 1997	19.3 °C	3,100 mm	62	0
1996	35.7 °C2 August 1996	0.3 °C20 February 1996	19.0 °C	2,641 mm	76	0
1995	36.8 °C31 July 1995	1.9 °C30 December 1995	19.4 °C	2,424 mm	63	0
1994	36.1 °C11 July 1994	1.6 °C23 January 1994	19.4 °C	3,133 mm	57	0
1993	33.8 °C27 June 1993	0.4 °C16 January 1993	19.0 °C	3,426 mm	67	0
1992	36.7 °C30 August 1992	2.4 °C15 January 1992	19.3 °C	2,538 mm	81	0
1991	35.0 °C19 July 1991	-0.1 °C27 December 1991	19.4 °C	2,362 mm	93	1
1990	36.6 °C10 September 1990	1.1 °C31 January 1990	19.8 °C	2,722 mm	81	0
1989	36.2 °C17 July 1989	0.8 °C13 January 1989	19.2 °C	2,226 mm	79	0
1988	35.5 °C21 May 1988	2.0 °C19 February 1988	19.2 °C	2,265 mm	81	0
1987	34.0 °C6 August 1987	2.4 °C29 November 1987	19.9 °C	2,727 mm	69	0
1986	34.5 °C1 July 1986	0.5 °C7 January 1986	19.4 °C	2,358 mm	79	0
1985	35.6 °C23 June 1985	2.1 °C11 December 1985	19.1 °C	2,150 mm	85	0
1984	35.0 °C8 August 1984	1.1 °C9 January 1984	18.5 °C	2,673 mm	70	0
1983	34.8 °C12 August 1983	-0.3 °C29 December 1983	19.3 °C	2,944 mm	90	1
1982	34.2 °C21 June 1982	-1.5 °C27 December 1982	19.3 °C	2,834 mm	75	2
1981	35.3 °C8 August 1981	1.8 °C27 January 1981	19.4 °C	2,227 mm	90	0
1980	35.1 °C28 August 1980	0.8 °C31 January 1980	19.3 °C	2,533 mm	75	0
1979	34.5 °C29 July 1979	1.3 °C31 January 1979	19.8 °C	2,505 mm	65	0
1978	35.4 °C16 July 1978	-0.5 °C21 January 1978	19.5 °C	2,518 mm	78	1
1977	34.5 °C10 August 1977	-3.2 °C10 February 1977	19.3 °C	2,894 mm	55	6
1976	34.3 °C24 July 1976	-0.6 °C28 December 1976	18.9 °C	2,814 mm	56	2
1975	34.2 °C17 August 1975	-1.7 °C30 December 1975	19.5 °C	2,635 mm	86	8
1974	34.2 °C21 August 1974	-0.8 °C2 January 1974	19.2 °C	2,808 mm	64	1
1973	34.3 °C22 June 1973	0.8 °C31 December 1973	19.9 °C	2,842 mm	73	0
1972	36.3 °C10 July 1972	1.0 °C7 February 1972	19.5 °C	2,742 mm	89	0
1971	36.4 °C21 July 1971	0.9 °C4 January 1971	19.3 °C	2,759 mm	47	0
1970	35.5 °C3 August 1970	-1.1 °C6 January 1970	19.2 °C	2,386 mm	79	2
1969	36.2 °C28 July 1969	-1.1 °C30 January 1969	19.5 °C	2,789 mm	86	2
1968	35.2 °C28 July 1968	0.2 °C14 February 1968	19.3 °C	3,404 mm	71	0
1967	35.5 °C29 August 1967	-1.3 °C16 January 1967	19.0 °C	2,921 mm	87	7
1966	32.5 °C17 August 1966	-1.2 °C27 December 1966	18.5 °C	2,573 mm	17	2
1965	31.8 °C14 July 1965	-1.7 °C17 December 1965	18.4 °C	2,962 mm	15	4
1964	35.1 °C8 August 1964	0.4 °C25 February 1964	19.2 °C	2,893 mm	77	0
1963	34.9 °C3 September 1963	-3.2 °C15 January 1963	19.8 °C	2,583 mm	96	2
1962	34.5 °C30 July 1962	0.3 °C24 December 1962	19.3 °C	2,341 mm	75	0
1961	38.2 °C2 July 1961	-2.1 °C18 January 1961	19.7 °C	2,786 mm	68	2
1960	34.7 °C1 August 1960	-0.4 °C3 January 1960	19.6 °C	2,764 mm	78	2
1959	34.8 °C30 August 1959	2.2 °C11 January 1959	19.2 °C	2,705 mm	68	0
1958	36.6 °C10 May 1958	1.1 °C17 January 1958	19.5 °C	2,389 mm	75	0
1957	34.9 °C15 August 1957	-2.9 °C11 February 1957	19.4 °C	2,625 mm	68	3
1956	33.1 °C4 September 1956	-1.2 °C9 January 1956	18.7 °C	2,564 mm	34	4
1955	31.3 °C15 April 1955	-2.2 °C12 January 1955	18.7 °C	2,709 mm	7	3
1954	32.6 °C16 June 1954	0.4 °C25 January 1954	19.1 °C	3,132 mm	27	0
1953	35.6 °C13 August 1953	2.0 °C18 January 1953	19.3 °C	2,724 mm	53	0
1952	31.5 °C11 July 1952	-0.9 °C18 February 1952	19.4 °C	3,215 mm	18	3
1951	31.9 °C14 August 1951	-2.6 °C13 January 1951	18.5 °C	3,647 mm	10	3
1950	31.4 °C31 July 1950	0.3 °C14 February 1950	18.8 °C	3,254 mm	3	0
1949	31.6 °C30 May 1949	0.7 °C8 January 1949	19.3 °C	3,263 mm	28	0
1948	31.5 °C6 July 1948	-1.5 °C25 January 1948	18.9 °C	3,015 mm	21	3
1947	32.2 °C14 June 1947	-1.0 °C19 December 1947	18.2 °C	2,998 mm	7	3
1946	35.1 °C28 July 1946	-0.6 °C11 January 1946	19.6 °C	1,686 mm	69	2
1945	30.3 °C21 June 1945	-1.7 °C4 February 1945	17.6 °C	1,964 mm	5	8
1944	31.7 °C7 April 1944	-2.3 °C21 December 1944	18.1 °C	2,591 mm	8	4
1943	30.6 °C28 May 1943	1.3 °C12 January 1943	18.5 °C	2,952 mm	6	0
1942	30.0 °C13 July 1942	0.8 °C13 February 1942	18.5 °C	3,681 mm	2	0
1941	31.0 °C1 June 1941	-0.2 °C29 December 1941	18.4 °C	2,820 mm	3	1
1940	31.6 °C2 September 1940	-0.4 °C3 February 1940	18.3 °C	2,711 mm	13	2

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

24.2 °C

+1.4 °C

Hot days (≥ 30 °C)

111 d/yr

+46

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

2328 mm

-291 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.9 °C	+3.9 °C	27 mm	-66 mm
Feb	11.5 °C	-2.9 °C	89 mm	-27 mm
Mar	19.9 °C	+1.3 °C	117 mm	-72 mm
Apr	27.1 °C	+3.7 °C	107 mm	-193 mm
May	27.2 °C	+0.4 °C	478 mm	+49 mm
Jun	29.4 °C	+0.6 °C	537 mm	+88 mm
Jul	32.5 °C	+2.3 °C	223 mm	-121 mm
Aug	31.2 °C	+1.0 °C	332 mm	+64 mm
Sep	30.5 °C	+1.8 °C	203 mm	+54 mm
Oct	26.0 °C	+1.3 °C	80 mm	-37 mm
Nov	20.1 °C	+0.1 °C	67 mm	-27 mm
Dec	17.4 °C	+2.2 °C	70 mm	-2 mm

The year's extremes

Hottest day

35.2 °C

19 Apr 2025

Coldest day

1.0 °C

12 Jan 2025

Wettest day

62.0 mm

8 May 2025

Windiest day

30.8 km/h

12 Apr 2025

Strongest gust

68.8 km/h

6 Oct 2025

Hottest feels-like

43.0 °C

28 Jul 2025

Coldest feels-like

-2.2 °C

12 Jan 2025

Sunniest day

13.0 h

5 Jul 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 Hechi?

Hechi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 2,618 mm of precipitation per year.

What is the hottest day ever recorded in Hechi?

The hottest day measured in Hechi between 1940 and 2025 was 2 July 1961, reaching 38.2 °C.

What is the coldest day in Hechi?

The coldest day measured in Hechi between 1940 and 2025 was 15 January 1963, at -3.2 °C.

Does it snow in Hechi?

Yes. Hechi gets on average 1.1 cm of snow per year and has around 1 frost days.

Has the climate of Hechi warmed?

Yes: Hechi warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hechi?

The wettest day measured in Hechi between 1940 and 2025 was 7 August 1942, with 193 mm of rain in 24 hours.

What was the windiest day in Hechi?

The windiest day measured in Hechi between 1940 and 2025 was 28 May 1946, with winds reaching 34.0 km/h.

What is the warmest month in Hechi?

The warmest month in Hechi is July (26.5 °C on average); the coldest is January (9.8 °C).

How much does it rain in Hechi?

Hechi receives on average 2,618 mm of precipitation per year, spread over about 229 rainy days.

Is it sunny in Hechi?

Hechi gets on average 6.1 hours of sunshine per day, roughly 2,227 hours per year over 1940-2025.

What is the biggest single-day snowfall in Hechi?

The heaviest 24-hour snowfall measured in Hechi between 1940 and 2025 was 6 January 2003, with 17.5 cm.

Are there tropical nights in Hechi?

Yes: Hechi has on average 148 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hechi?

In Hechi, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 2 July 1961, and the lowest was -8.2 °C on 11 February 1957.

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