Runan climate — normals and trends

Q: What is the climate of Runan?

Runan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 1,064 mm of precipitation per year.

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

The hottest day measured in Runan between 1940 and 2025 was 10 July 1941, reaching 39.6 °C.

Q: What is the coldest day in Runan?

The coldest day measured in Runan between 1940 and 2025 was 11 January 1955, at -22.0 °C.

Q: Does it snow in Runan?

Yes. Runan gets on average 22.5 cm of snow per year and has around 54 frost days.

Q: Has the climate of Runan warmed?

Yes: Runan warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Runan?

The wettest day measured in Runan between 1940 and 2025 was 18 July 1977, with 215 mm of rain in 24 hours.

Q: What was the windiest day in Runan?

The windiest day measured in Runan between 1940 and 2025 was 25 June 1971, with winds reaching 45.0 km/h.

Q: What is the warmest month in Runan?

The warmest month in Runan is July (27.9 °C on average); the coldest is January (1.7 °C).

Q: How much does it rain in Runan?

Runan receives on average 1,064 mm of precipitation per year, spread over about 98 rainy days.

Q: Is it sunny in Runan?

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

Runan (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 1,064 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 (27.9 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in July.

Runan averages 54 frost days, 73 hot days (≥ 30 °C) and 98 rainy days per year.

Runan has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The number of frost days there went from about 65 to 43 per year over the period.

The hottest day of the period reached 39.6 °C (on 10 July 1941) and the coldest -22.0 °C (on 11 January 1955).

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

RunanHenan

coords: 33.00°, 114.35°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

15.6°C

Average daily high

20.0°C

Average daily low

11.7°C

Annual rainfall

1,064mm

Sunshine / day

8.1h

Mean relative humidity

73%

Average peak wind

15.0km/h

Seasonal range

26.2°C

Frost days (< 0 °C)

54 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

98 d/yr

Annual snowfall

22.5 cm

Average feels-like high

20.0 °C

Average feels-like low

10.9 °C

Average peak gust

29.8 km/h

Tropical nights (≥ 20 °C)

98 d/yr

Solar radiation

14.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.23 · 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

39.6 °C

10 July 1941

Coldest day

-22.0 °C

11 January 1955

Wettest day

215 mm

18 July 1977

Windiest day

45.0 km/h

25 June 1971

Strongest gust

93.6 km/h

18 August 2018

Hottest feels-like

48.1 °C

16 July 2025

Coldest feels-like

-28.0 °C

11 January 1955

Snowiest day

16.6 cm

16 February 1996

Sunniest day

13.7 h

21 June 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.2 °C16 July 2025	-7.4 °C8 February 2025	17.7 °C	1,031 mm	107	34
2024	38.7 °C12 June 2024	-7.8 °C23 January 2024	17.3 °C	850 mm	99	51
2023	36.8 °C5 August 2023	-8.3 °C22 December 2023	16.9 °C	989 mm	94	44
2022	38.7 °C15 August 2022	-5.0 °C25 December 2022	16.9 °C	803 mm	103	58
2021	36.3 °C1 August 2021	-8.2 °C7 January 2021	16.8 °C	1,003 mm	83	24
2020	38.4 °C3 May 2020	-6.2 °C31 December 2020	16.7 °C	1,009 mm	91	31
2019	38.7 °C16 August 2019	-5.8 °C16 January 2019	17.0 °C	440 mm	108	42
2018	37.4 °C23 July 2018	-12.5 °C12 January 2018	16.6 °C	803 mm	89	48
2017	36.9 °C24 July 2017	-3.1 °C1 February 2017	16.6 °C	975 mm	80	31
2016	37.1 °C19 August 2016	-8.6 °C24 January 2016	16.4 °C	1,001 mm	76	40
2015	35.8 °C13 July 2015	-5.0 °C30 January 2015	15.9 °C	804 mm	56	33
2014	37.7 °C4 August 2014	-6.8 °C11 February 2014	16.3 °C	763 mm	70	38
2013	39.3 °C17 August 2013	-7.3 °C5 January 2013	16.7 °C	611 mm	94	51
2012	38.5 °C13 June 2012	-6.4 °C23 January 2012	15.9 °C	594 mm	71	55
2011	39.0 °C8 June 2011	-8.2 °C16 January 2011	15.6 °C	664 mm	71	69
2010	37.0 °C4 August 2010	-6.2 °C13 January 2010	16.0 °C	750 mm	68	46
2009	37.3 °C24 June 2009	-6.8 °C13 January 2009	16.0 °C	738 mm	72	45
2008	34.4 °C1 August 2008	-8.5 °C22 December 2008	15.7 °C	990 mm	65	67
2007	35.3 °C27 May 2007	-4.1 °C1 February 2007	16.5 °C	1,041 mm	73	32
2006	38.0 °C19 June 2006	-5.3 °C7 January 2006	16.5 °C	741 mm	77	48
2005	36.9 °C23 June 2005	-8.6 °C1 January 2005	15.7 °C	1,179 mm	69	79
2004	36.6 °C3 July 2004	-7.8 °C31 December 2004	16.3 °C	923 mm	60	34
2003	37.2 °C31 July 2003	-7.5 °C7 January 2003	15.2 °C	1,342 mm	57	44
2002	38.1 °C15 July 2002	-7.3 °C26 December 2002	16.3 °C	1,030 mm	73	26
2001	38.6 °C9 July 2001	-7.2 °C25 December 2001	16.2 °C	638 mm	88	50
2000	36.0 °C21 May 2000	-8.8 °C27 January 2000	16.0 °C	1,282 mm	76	38
1999	38.1 °C31 July 1999	-7.7 °C22 December 1999	16.5 °C	775 mm	77	33
1998	37.1 °C13 July 1998	-7.8 °C18 January 1998	16.6 °C	1,339 mm	78	37
1997	36.5 °C5 June 1997	-6.3 °C8 January 1997	16.2 °C	803 mm	99	44
1996	35.2 °C24 July 1996	-6.2 °C18 February 1996	15.4 °C	1,205 mm	60	55
1995	36.3 °C30 July 1995	-5.1 °C2 February 1995	16.0 °C	984 mm	80	54
1994	38.2 °C10 July 1994	-4.9 °C25 February 1994	16.3 °C	932 mm	87	37
1993	35.7 °C11 July 1993	-10.1 °C16 January 1993	15.0 °C	1,079 mm	53	57
1992	36.3 °C3 August 1992	-7.9 °C1 January 1992	15.2 °C	944 mm	67	59
1991	37.3 °C24 July 1991	-12.9 °C28 December 1991	15.0 °C	1,294 mm	53	41
1990	35.9 °C14 July 1990	-13.5 °C1 February 1990	15.7 °C	942 mm	77	48
1989	36.0 °C19 July 1989	-7.6 °C15 January 1989	14.8 °C	1,399 mm	33	46
1988	38.7 °C18 July 1988	-6.8 °C16 December 1988	15.5 °C	705 mm	72	65
1987	34.5 °C24 May 1987	-9.1 °C29 November 1987	15.3 °C	1,258 mm	71	51
1986	35.6 °C11 August 1986	-8.7 °C19 December 1986	15.3 °C	814 mm	77	60
1985	36.5 °C6 August 1985	-8.7 °C24 January 1985	14.8 °C	921 mm	72	62
1984	35.8 °C4 June 1984	-12.1 °C31 January 1984	14.5 °C	1,694 mm	54	69
1983	36.3 °C5 August 1983	-7.4 °C8 January 1983	15.4 °C	1,265 mm	59	59
1982	36.9 °C8 July 1982	-7.8 °C5 February 1982	15.3 °C	1,365 mm	60	46
1981	37.9 °C8 July 1981	-10.4 °C28 January 1981	15.2 °C	991 mm	73	73
1980	36.6 °C27 July 1980	-11.9 °C31 January 1980	15.0 °C	1,273 mm	49	65
1979	37.1 °C6 August 1979	-13.2 °C19 January 1979	15.5 °C	1,253 mm	70	56
1978	37.7 °C2 August 1978	-7.2 °C12 February 1978	16.0 °C	751 mm	90	50
1977	36.1 °C7 August 1977	-10.5 °C30 January 1977	15.7 °C	1,138 mm	67	58
1976	37.7 °C25 July 1976	-7.4 °C28 December 1976	15.1 °C	655 mm	55	58
1975	36.4 °C20 July 1975	-8.7 °C17 December 1975	15.6 °C	1,236 mm	73	55
1974	35.4 °C2 June 1974	-10.8 °C7 February 1974	14.9 °C	1,128 mm	78	72
1973	37.2 °C21 August 1973	-9.7 °C25 December 1973	15.5 °C	883 mm	58	47
1972	38.4 °C11 June 1972	-11.8 °C9 February 1972	14.6 °C	974 mm	62	75
1971	38.7 °C21 July 1971	-7.3 °C30 December 1971	15.0 °C	1,169 mm	67	66
1970	36.2 °C10 August 1970	-9.8 °C5 January 1970	15.0 °C	1,005 mm	62	59
1969	37.3 °C1 August 1969	-17.6 °C31 January 1969	14.5 °C	901 mm	78	87
1968	37.9 °C5 June 1968	-7.3 °C15 January 1968	15.7 °C	1,242 mm	74	61
1967	38.2 °C20 June 1967	-9.7 °C15 January 1967	15.3 °C	1,475 mm	86	82
1966	38.1 °C29 August 1966	-15.6 °C23 February 1966	16.2 °C	792 mm	79	50
1965	36.0 °C13 June 1965	-7.0 °C17 December 1965	15.6 °C	1,131 mm	76	52
1964	38.2 °C15 July 1964	-12.8 °C18 February 1964	14.9 °C	1,386 mm	66	64
1963	36.5 °C1 July 1963	-9.2 °C11 January 1963	15.2 °C	1,731 mm	60	67
1962	37.8 °C18 July 1962	-8.3 °C31 January 1962	15.6 °C	1,031 mm	82	57
1961	39.4 °C23 July 1961	-7.7 °C11 January 1961	16.6 °C	899 mm	93	48
1960	35.7 °C1 August 1960	-8.1 °C19 December 1960	15.3 °C	1,141 mm	76	56
1959	39.3 °C30 July 1959	-7.7 °C17 January 1959	15.7 °C	840 mm	98	60
1958	37.1 °C18 June 1958	-13.1 °C15 January 1958	15.4 °C	1,009 mm	77	51
1957	35.2 °C23 July 1957	-14.2 °C11 February 1957	14.7 °C	781 mm	80	69
1956	34.7 °C24 July 1956	-16.4 °C24 January 1956	14.3 °C	1,572 mm	53	85
1955	33.8 °C20 June 1955	-22.0 °C11 January 1955	14.4 °C	1,545 mm	53	54
1954	33.7 °C6 September 1954	-17.7 °C12 December 1954	13.6 °C	2,495 mm	37	75
1953	37.5 °C13 August 1953	-9.0 °C21 February 1953	15.2 °C	1,427 mm	59	59
1952	35.3 °C2 July 1952	-18.2 °C19 February 1952	14.3 °C	1,534 mm	44	73
1951	35.9 °C8 August 1951	-21.7 °C14 January 1951	14.6 °C	1,160 mm	51	62
1950	34.3 °C22 July 1950	-9.6 °C3 February 1950	15.0 °C	1,687 mm	59	64
1949	34.0 °C23 July 1949	-17.4 °C9 January 1949	15.3 °C	1,457 mm	63	52
1948	34.2 °C2 July 1948	-17.6 °C26 January 1948	15.1 °C	1,222 mm	62	50
1947	33.9 °C19 August 1947	-12.3 °C28 January 1947	15.5 °C	1,438 mm	65	54
1946	37.5 °C11 August 1946	-7.3 °C10 January 1946	17.3 °C	944 mm	100	45
1945	37.8 °C7 June 1945	-15.9 °C13 January 1945	15.4 °C	856 mm	86	74
1944	38.2 °C19 June 1944	-7.5 °C17 December 1944	16.3 °C	794 mm	86	58
1943	35.1 °C14 June 1943	-11.9 °C7 February 1943	15.6 °C	1,458 mm	40	57
1942	38.9 °C6 August 1942	-6.4 °C17 January 1942	17.1 °C	667 mm	102	53
1941	39.6 °C10 July 1941	-8.5 °C24 January 1941	17.1 °C	661 mm	94	57
1940	36.0 °C18 June 1940	-7.6 °C26 January 1940	16.0 °C	1,017 mm	71	51

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

22.4 °C

+2.4 °C

Hot days (≥ 30 °C)

107 d/yr

+34

Frost days (< 0 °C)

34 d/yr

-20

Annual rainfall

1031 mm

-33 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.9 °C	+3.8 °C	55 mm	+30 mm
Feb	10.3 °C	+1.6 °C	3 mm	-30 mm
Mar	16.9 °C	+2.6 °C	61 mm	+3 mm
Apr	26.3 °C	+5.5 °C	32 mm	-43 mm
May	29.1 °C	+3.1 °C	84 mm	-14 mm
Jun	31.2 °C	+0.8 °C	163 mm	+13 mm
Jul	36.4 °C	+4.9 °C	18 mm	-219 mm
Aug	34.1 °C	+3.2 °C	148 mm	-8 mm
Sep	25.4 °C	-1.2 °C	319 mm	+213 mm
Oct	18.6 °C	-2.9 °C	113 mm	+53 mm
Nov	18.0 °C	+3.2 °C	19 mm	-24 mm
Dec	11.6 °C	+3.1 °C	17 mm	-5 mm

The year's extremes

Hottest day

39.2 °C

16 Jul 2025

Coldest day

-7.4 °C

8 Feb 2025

Wettest day

67.1 mm

12 Sep 2025

Windiest day

43.5 km/h

12 Apr 2025

Strongest gust

78.1 km/h

12 Apr 2025

Hottest feels-like

48.1 °C

16 Jul 2025

Coldest feels-like

-11.5 °C

8 Feb 2025

Snowiest day

9.5 cm

3 Mar 2025

Sunniest day

13.3 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 Runan?

Runan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 1,064 mm of precipitation per year.

What is the hottest day ever recorded in Runan?

The hottest day measured in Runan between 1940 and 2025 was 10 July 1941, reaching 39.6 °C.

What is the coldest day in Runan?

The coldest day measured in Runan between 1940 and 2025 was 11 January 1955, at -22.0 °C.

Does it snow in Runan?

Yes. Runan gets on average 22.5 cm of snow per year and has around 54 frost days.

Has the climate of Runan warmed?

Yes: Runan warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Runan?

The wettest day measured in Runan between 1940 and 2025 was 18 July 1977, with 215 mm of rain in 24 hours.

What was the windiest day in Runan?

The windiest day measured in Runan between 1940 and 2025 was 25 June 1971, with winds reaching 45.0 km/h.

What is the warmest month in Runan?

The warmest month in Runan is July (27.9 °C on average); the coldest is January (1.7 °C).

How much does it rain in Runan?

Runan receives on average 1,064 mm of precipitation per year, spread over about 98 rainy days.

Is it sunny in Runan?

Runan 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 Runan?

The heaviest 24-hour snowfall measured in Runan between 1940 and 2025 was 16 February 1996, with 16.6 cm.

Are there tropical nights in Runan?

Yes: Runan has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Runan?

In Runan, between 1940 and 2025, the highest apparent temperature reached 48.1 °C on 16 July 2025, and the lowest was -28.0 °C on 11 January 1955.

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