Yibin climate — normals and trends

Q: What is the climate of Yibin?

Yibin has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,210 mm of precipitation per year.

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

The hottest day measured in Yibin between 1940 and 2025 was 21 August 2022, reaching 43.4 °C.

Q: What is the coldest day in Yibin?

The coldest day measured in Yibin between 1940 and 2025 was 31 January 1980, at -5.5 °C.

Q: Does it snow in Yibin?

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

Q: Has the climate of Yibin warmed?

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

Q: What is the wettest day in Yibin?

The wettest day measured in Yibin between 1940 and 2025 was 11 July 1994, with 218 mm of rain in 24 hours.

Q: What was the windiest day in Yibin?

The windiest day measured in Yibin between 1940 and 2025 was 13 May 1946, with winds reaching 53.2 km/h.

Q: What is the warmest month in Yibin?

The warmest month in Yibin is July (27.5 °C on average); the coldest is January (8.0 °C).

Q: How much does it rain in Yibin?

Yibin receives on average 1,210 mm of precipitation per year, spread over about 171 rainy days.

Q: Is it sunny in Yibin?

Yibin gets on average 5.9 hours of sunshine per day, roughly 2,154 hours per year over 1940-2025.

Yibin (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.2 °C and it receives 1,210 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 (27.5 °C on average) and the coldest is January (8.0 °C). Rainfall peaks in July.

Yibin averages 1 frost days, 67 hot days (≥ 30 °C) and 171 rainy days per year.

Yibin 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 43.4 °C (on 21 August 2022) and the coldest -5.5 °C (on 31 January 1980).

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

YibinSichuan

coords: 28.76°, 104.64°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthJanuary

Mean daily temperature

18.2°C

Average daily high

21.5°C

Average daily low

15.6°C

Annual rainfall

1,210mm

Sunshine / day

5.9h

Mean relative humidity

78%

Average peak wind

9.4km/h

Seasonal range

19.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

67 d/yr

Rainy days (≥ 1 mm)

171 d/yr

Annual snowfall

1.1 cm

Average feels-like high

22.7 °C

Average feels-like low

16.4 °C

Average peak gust

21.6 km/h

Tropical nights (≥ 20 °C)

124 d/yr

Solar radiation

11.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.35 · 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

43.4 °C

21 August 2022

Coldest day

-5.5 °C

31 January 1980

Wettest day

218 mm

11 July 1994

Windiest day

53.2 km/h

13 May 1946

Strongest gust

79.2 km/h

30 April 2001

Hottest feels-like

47.4 °C

16 July 2002

Coldest feels-like

-9.6 °C

31 January 1980

Snowiest day

5.3 cm

29 January 1977

Sunniest day

13.8 h

12 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.7 °C3 August 2025	2.8 °C27 January 2025	19.6 °C	1,331 mm	106	0
2024	41.0 °C28 August 2024	2.3 °C22 January 2024	20.0 °C	1,208 mm	107	0
2023	40.8 °C23 July 2023	-0.3 °C18 January 2023	19.9 °C	935 mm	102	1
2022	43.4 °C21 August 2022	2.0 °C23 February 2022	19.7 °C	930 mm	94	0
2021	40.1 °C3 August 2021	-1.4 °C12 January 2021	18.8 °C	1,099 mm	75	1
2020	37.7 °C10 August 2020	2.9 °C21 December 2020	18.7 °C	1,110 mm	79	0
2019	37.7 °C11 August 2019	3.6 °C16 January 2019	18.7 °C	883 mm	66	0
2018	38.3 °C20 July 2018	1.4 °C9 January 2018	18.7 °C	1,258 mm	81	0
2017	38.4 °C27 July 2017	2.7 °C19 December 2017	19.0 °C	935 mm	80	0
2016	39.1 °C25 August 2016	0.4 °C24 January 2016	19.1 °C	1,309 mm	81	0
2015	37.8 °C2 August 2015	4.3 °C17 December 2015	19.4 °C	982 mm	65	0
2014	37.3 °C26 July 2014	2.3 °C21 January 2014	18.4 °C	1,056 mm	54	0
2013	38.0 °C18 June 2013	1.3 °C1 January 2013	19.6 °C	1,166 mm	98	0
2012	38.2 °C12 August 2012	1.0 °C31 December 2012	17.9 °C	1,119 mm	63	0
2011	40.9 °C17 August 2011	1.7 °C21 January 2011	18.9 °C	708 mm	98	0
2010	38.1 °C11 August 2010	1.1 °C19 February 2010	18.5 °C	1,031 mm	69	0
2009	38.5 °C19 July 2009	2.6 °C27 January 2009	19.2 °C	957 mm	83	0
2008	36.4 °C23 July 2008	-0.2 °C2 February 2008	18.6 °C	1,129 mm	75	1
2007	36.4 °C28 June 2007	2.2 °C9 January 2007	19.2 °C	1,207 mm	85	0
2006	40.0 °C12 August 2006	0.4 °C9 January 2006	19.3 °C	1,130 mm	87	0
2005	36.3 °C1 August 2005	-0.7 °C2 January 2005	18.4 °C	1,274 mm	79	1
2004	35.5 °C25 July 2004	1.6 °C4 February 2004	18.4 °C	1,197 mm	65	0
2003	36.5 °C31 July 2003	3.1 °C10 January 2003	18.7 °C	1,035 mm	55	0
2002	38.3 °C16 July 2002	1.9 °C28 December 2002	19.0 °C	1,006 mm	64	0
2001	36.2 °C14 July 2001	1.7 °C24 December 2001	18.7 °C	1,129 mm	56	0
2000	37.2 °C26 July 2000	3.1 °C28 January 2000	18.2 °C	1,371 mm	60	0
1999	36.0 °C31 July 1999	1.1 °C12 January 1999	18.5 °C	1,289 mm	55	0
1998	36.2 °C18 July 1998	1.2 °C23 January 1998	19.2 °C	1,231 mm	81	0
1997	36.9 °C11 August 1997	3.0 °C24 January 1997	18.4 °C	1,165 mm	70	0
1996	37.1 °C4 August 1996	0.8 °C24 February 1996	17.6 °C	1,324 mm	59	0
1995	37.8 °C6 September 1995	2.9 °C3 January 1995	18.2 °C	1,162 mm	74	0
1994	38.7 °C5 August 1994	0.6 °C23 January 1994	18.6 °C	1,249 mm	89	0
1993	36.7 °C25 June 1993	0.5 °C24 January 1993	17.9 °C	995 mm	52	0
1992	37.8 °C25 July 1992	1.8 °C16 January 1992	17.8 °C	1,019 mm	60	0
1991	36.4 °C25 July 1991	0.1 °C27 December 1991	18.0 °C	1,249 mm	61	0
1990	36.8 °C5 August 1990	3.3 °C2 February 1990	18.3 °C	1,103 mm	78	0
1989	35.9 °C22 July 1989	0.4 °C14 January 1989	17.6 °C	1,275 mm	50	0
1988	37.3 °C3 May 1988	1.6 °C18 January 1988	17.7 °C	1,052 mm	61	0
1987	34.8 °C5 August 1987	2.7 °C27 January 1987	18.4 °C	1,076 mm	53	0
1986	36.3 °C11 August 1986	-0.1 °C3 March 1986	17.5 °C	1,107 mm	63	1
1985	36.6 °C5 August 1985	2.3 °C18 January 1985	17.6 °C	1,375 mm	55	0
1984	35.8 °C5 June 1984	0.8 °C19 December 1984	17.4 °C	1,268 mm	59	0
1983	35.3 °C25 July 1983	2.4 °C11 January 1983	18.0 °C	1,265 mm	54	0
1982	35.2 °C1 August 1982	0.2 °C26 December 1982	17.7 °C	1,173 mm	52	0
1981	36.1 °C7 July 1981	1.8 °C27 January 1981	17.9 °C	1,164 mm	61	0
1980	37.4 °C24 July 1980	-5.5 °C31 January 1980	18.0 °C	937 mm	60	1
1979	35.2 °C9 August 1979	0.6 °C19 November 1979	18.3 °C	1,385 mm	51	0
1978	37.8 °C12 July 1978	2.0 °C21 January 1978	18.5 °C	1,090 mm	84	0
1977	38.2 °C5 August 1977	-2.2 °C30 January 1977	18.1 °C	1,122 mm	72	1
1976	37.1 °C28 July 1976	1.1 °C29 December 1976	17.4 °C	935 mm	56	0
1975	37.5 °C17 July 1975	-4.0 °C15 December 1975	18.3 °C	1,247 mm	66	4
1974	35.8 °C25 July 1974	1.1 °C18 January 1974	17.9 °C	1,154 mm	49	0
1973	36.8 °C26 August 1973	2.3 °C2 January 1973	18.6 °C	1,309 mm	70	0
1972	39.1 °C13 August 1972	1.2 °C6 February 1972	18.3 °C	1,050 mm	79	0
1971	37.1 °C3 July 1971	2.7 °C29 January 1971	18.4 °C	1,141 mm	70	0
1970	36.3 °C16 August 1970	-0.8 °C7 January 1970	17.8 °C	1,178 mm	68	1
1969	36.7 °C2 August 1969	1.4 °C30 January 1969	18.3 °C	1,323 mm	79	0
1968	35.2 °C31 July 1968	1.9 °C9 February 1968	17.6 °C	1,479 mm	50	0
1967	36.6 °C1 August 1967	-0.4 °C12 January 1967	17.5 °C	1,435 mm	64	2
1966	34.7 °C27 July 1966	0.6 °C30 December 1966	17.9 °C	1,159 mm	52	0
1965	33.2 °C22 July 1965	1.3 °C15 January 1965	17.6 °C	1,390 mm	39	0
1964	35.2 °C12 July 1964	1.9 °C21 February 1964	18.0 °C	1,402 mm	53	0
1963	38.9 °C26 July 1963	1.5 °C15 January 1963	19.1 °C	1,088 mm	89	0
1962	38.4 °C13 July 1962	-0.1 °C30 December 1962	18.2 °C	1,033 mm	73	1
1961	36.7 °C22 August 1961	0.8 °C15 January 1961	18.5 °C	1,306 mm	89	0
1960	37.7 °C4 July 1960	-0.5 °C26 January 1960	18.5 °C	1,255 mm	72	1
1959	38.1 °C13 July 1959	0.8 °C12 January 1959	18.6 °C	973 mm	84	0
1958	36.9 °C24 July 1958	0.1 °C16 January 1958	18.5 °C	1,188 mm	78	0
1957	37.8 °C31 August 1957	-1.5 °C13 February 1957	17.8 °C	1,027 mm	48	1
1956	35.3 °C4 August 1956	-0.7 °C10 January 1956	17.9 °C	1,307 mm	64	3
1955	32.8 °C15 August 1955	-1.1 °C6 January 1955	18.0 °C	1,366 mm	54	3
1954	33.9 °C2 September 1954	0.5 °C31 December 1954	18.0 °C	1,636 mm	51	0
1953	34.9 °C16 August 1953	1.4 °C27 January 1953	18.8 °C	1,206 mm	68	0
1952	34.8 °C2 July 1952	1.2 °C18 February 1952	18.4 °C	1,280 mm	52	0
1951	34.5 °C5 August 1951	1.1 °C24 January 1951	17.9 °C	1,377 mm	66	0
1950	34.3 °C23 July 1950	1.6 °C24 December 1950	17.8 °C	1,497 mm	39	0
1949	34.5 °C8 July 1949	0.9 °C8 January 1949	18.2 °C	1,265 mm	65	0
1948	32.6 °C4 July 1948	0.7 °C27 January 1948	18.2 °C	1,200 mm	50	0
1947	34.1 °C6 July 1947	-1.2 °C20 December 1947	18.3 °C	1,402 mm	65	1
1946	38.2 °C5 August 1946	0.5 °C14 January 1946	18.3 °C	2,294 mm	81	0
1945	34.2 °C6 June 1945	-2.9 °C11 February 1945	17.1 °C	1,343 mm	40	12
1944	36.0 °C4 August 1944	-2.2 °C21 December 1944	17.2 °C	1,616 mm	62	7
1943	34.0 °C4 August 1943	0.4 °C8 February 1943	17.9 °C	1,712 mm	29	0
1942	32.6 °C3 July 1942	1.0 °C8 January 1942	18.3 °C	1,769 mm	41	0
1941	34.1 °C11 July 1941	1.2 °C30 January 1941	18.0 °C	1,084 mm	48	0
1940	34.3 °C30 June 1940	0.8 °C23 January 1940	17.8 °C	1,122 mm	60	0

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

23.2 °C

+1.7 °C

Hot days (≥ 30 °C)

106 d/yr

+39

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1331 mm

+121 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.2 °C	+1.8 °C	41 mm	+14 mm
Feb	11.6 °C	-0.9 °C	44 mm	+14 mm
Mar	17.0 °C	-0.6 °C	46 mm	+3 mm
Apr	25.7 °C	+2.7 °C	50 mm	-18 mm
May	28.6 °C	+2.0 °C	97 mm	-9 mm
Jun	32.3 °C	+3.6 °C	111 mm	-46 mm
Jul	34.6 °C	+3.3 °C	334 mm	+80 mm
Aug	33.7 °C	+2.6 °C	240 mm	-6 mm
Sep	28.3 °C	+1.6 °C	215 mm	+83 mm
Oct	23.0 °C	+1.8 °C	94 mm	+21 mm
Nov	16.7 °C	0.0 °C	41 mm	-6 mm
Dec	13.5 °C	+1.9 °C	20 mm	-10 mm

The year's extremes

Hottest day

40.7 °C

3 Aug 2025

Coldest day

2.8 °C

27 Jan 2025

Wettest day

49.6 mm

22 Jul 2025

Windiest day

28.9 km/h

12 Apr 2025

Strongest gust

57.2 km/h

5 May 2025

Hottest feels-like

46.8 °C

17 Jul 2025

Coldest feels-like

0.4 °C

27 Jan 2025

Sunniest day

13.8 h

12 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 Yibin?

Yibin has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,210 mm of precipitation per year.

What is the hottest day ever recorded in Yibin?

The hottest day measured in Yibin between 1940 and 2025 was 21 August 2022, reaching 43.4 °C.

What is the coldest day in Yibin?

The coldest day measured in Yibin between 1940 and 2025 was 31 January 1980, at -5.5 °C.

Does it snow in Yibin?

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

Has the climate of Yibin warmed?

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

What is the wettest day in Yibin?

The wettest day measured in Yibin between 1940 and 2025 was 11 July 1994, with 218 mm of rain in 24 hours.

What was the windiest day in Yibin?

The windiest day measured in Yibin between 1940 and 2025 was 13 May 1946, with winds reaching 53.2 km/h.

What is the warmest month in Yibin?

The warmest month in Yibin is July (27.5 °C on average); the coldest is January (8.0 °C).

How much does it rain in Yibin?

Yibin receives on average 1,210 mm of precipitation per year, spread over about 171 rainy days.

Is it sunny in Yibin?

Yibin gets on average 5.9 hours of sunshine per day, roughly 2,154 hours per year over 1940-2025.

What is the biggest single-day snowfall in Yibin?

The heaviest 24-hour snowfall measured in Yibin between 1940 and 2025 was 29 January 1977, with 5.3 cm.

Are there tropical nights in Yibin?

Yes: Yibin has on average 124 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Yibin?

In Yibin, between 1940 and 2025, the highest apparent temperature reached 47.4 °C on 16 July 2002, and the lowest was -9.6 °C on 31 January 1980.

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