Basuo climate — normals and trends

Q: What is the climate of Basuo?

Basuo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.5 °C and it receives 1,432 mm of precipitation per year.

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

The hottest day measured in Basuo between 1940 and 2025 was 20 May 1969, reaching 34.9 °C.

Q: What is the coldest day in Basuo?

The coldest day measured in Basuo between 1940 and 2025 was 25 January 2016, at 6.0 °C.

Q: Does it snow in Basuo?

Almost never: Basuo sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Basuo warmed?

Yes: Basuo warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Basuo?

The wettest day measured in Basuo between 1940 and 2025 was 8 September 1963, with 377 mm of rain in 24 hours.

Q: What was the windiest day in Basuo?

The windiest day measured in Basuo between 1940 and 2025 was 22 August 1996, with winds reaching 69.7 km/h.

Q: What is the warmest month in Basuo?

The warmest month in Basuo is June (28.1 °C on average); the coldest is January (19.3 °C).

Q: How much does it rain in Basuo?

Basuo receives on average 1,432 mm of precipitation per year, spread over about 138 rainy days.

Q: Is it sunny in Basuo?

Basuo gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Basuo (China) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.5 °C and it receives 1,432 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 June (28.1 °C on average) and the coldest is January (19.3 °C). Rainfall peaks in August.

Basuo averages 0 frost days, 99 hot days (≥ 30 °C) and 138 rainy days per year.

Basuo has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.9 °C (on 20 May 1969) and the coldest 6.0 °C (on 25 January 2016).

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

BasuoHainan

coords: 19.10°, 108.67°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthJuneColdest monthJanuaryWettest monthAugustDriest monthJanuary

Mean daily temperature

24.5°C

Average daily high

27.5°C

Average daily low

22.2°C

Annual rainfall

1,432mm

Sunshine / day

9.9h

Mean relative humidity

80%

Average peak wind

18.0km/h

Seasonal range

8.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

99 d/yr

Rainy days (≥ 1 mm)

138 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.0 °C

Average feels-like low

24.5 °C

Average peak gust

35.1 km/h

Tropical nights (≥ 20 °C)

261 d/yr

Solar radiation

18.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.21 · 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

34.9 °C

20 May 1969

Coldest day

6.0 °C

25 January 2016

Wettest day

377 mm

8 September 1963

Windiest day

69.7 km/h

22 August 1996

Strongest gust

144.7 km/h

26 September 2005

Hottest feels-like

41.9 °C

1 May 2024

Coldest feels-like

0.7 °C

25 January 2016

Sunniest day

12.8 h

8 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.0 °C8 May 2025	12.2 °C27 January 2025	24.9 °C	1,864 mm	125
2024	34.5 °C27 April 2024	12.5 °C23 January 2024	25.8 °C	1,550 mm	160
2023	34.4 °C7 May 2023	11.7 °C29 January 2023	25.4 °C	1,624 mm	138
2022	33.2 °C29 June 2022	12.0 °C19 December 2022	24.8 °C	1,520 mm	127
2021	33.8 °C3 June 2021	9.8 °C11 January 2021	25.1 °C	1,510 mm	140
2020	34.7 °C1 June 2020	12.5 °C31 December 2020	25.7 °C	916 mm	150
2019	34.7 °C20 May 2019	13.0 °C8 December 2019	26.2 °C	1,237 mm	171
2018	33.3 °C21 May 2018	10.4 °C1 February 2018	24.9 °C	2,392 mm	107
2017	33.1 °C21 April 2017	11.8 °C20 December 2017	25.1 °C	1,417 mm	133
2016	33.3 °C3 June 2016	6.0 °C25 January 2016	24.8 °C	2,024 mm	134
2015	34.9 °C30 May 2015	12.1 °C15 January 2015	25.4 °C	1,426 mm	135
2014	33.2 °C24 May 2014	10.4 °C20 February 2014	24.6 °C	1,552 mm	111
2013	33.7 °C28 May 2013	11.5 °C20 December 2013	24.6 °C	1,680 mm	100
2012	33.0 °C14 May 2012	11.2 °C31 December 2012	24.8 °C	1,680 mm	93
2011	34.0 °C12 May 2011	10.8 °C12 January 2011	23.7 °C	1,994 mm	90
2010	33.8 °C9 July 2010	10.1 °C17 December 2010	25.1 °C	1,356 mm	133
2009	32.3 °C9 September 2009	10.6 °C14 January 2009	24.7 °C	1,846 mm	114
2008	32.1 °C12 April 2008	10.8 °C12 February 2008	24.0 °C	1,501 mm	110
2007	33.1 °C9 June 2007	11.5 °C29 January 2007	24.7 °C	1,495 mm	103
2006	34.2 °C17 June 2006	12.1 °C7 January 2006	24.9 °C	1,195 mm	108
2005	34.0 °C15 May 2005	10.9 °C1 January 2005	24.7 °C	1,344 mm	104
2004	32.9 °C7 July 2004	11.0 °C31 December 2004	24.3 °C	1,554 mm	103
2003	33.7 °C7 May 2003	11.3 °C7 January 2003	24.9 °C	1,448 mm	137
2002	32.3 °C23 May 2002	12.0 °C27 December 2002	24.7 °C	1,665 mm	92
2001	33.6 °C21 April 2001	11.7 °C24 December 2001	24.6 °C	1,916 mm	93
2000	32.3 °C2 May 2000	11.1 °C2 February 2000	24.3 °C	1,396 mm	92
1999	32.4 °C19 July 1999	7.5 °C24 December 1999	24.4 °C	1,229 mm	94
1998	34.1 °C20 July 1998	13.0 °C15 December 1998	25.5 °C	963 mm	139
1997	32.4 °C16 May 1997	12.9 °C10 January 1997	24.6 °C	1,344 mm	72
1996	32.3 °C2 July 1996	9.9 °C20 February 1996	24.2 °C	1,771 mm	89
1995	32.7 °C24 July 1995	10.9 °C31 December 1995	24.2 °C	1,270 mm	98
1994	33.8 °C3 May 1994	12.3 °C21 January 1994	24.6 °C	1,835 mm	71
1993	33.0 °C21 June 1993	9.5 °C29 January 1993	24.4 °C	991 mm	110
1992	33.4 °C8 May 1992	10.8 °C15 January 1992	24.2 °C	1,484 mm	89
1991	32.6 °C6 June 1991	9.0 °C29 December 1991	24.9 °C	1,437 mm	88
1990	32.9 °C23 April 1990	11.4 °C1 February 1990	24.7 °C	1,324 mm	96
1989	32.1 °C9 July 1989	11.5 °C14 January 1989	24.2 °C	1,390 mm	79
1988	34.0 °C26 July 1988	13.7 °C12 December 1988	24.6 °C	1,072 mm	114
1987	34.2 °C25 May 1987	10.4 °C7 December 1987	25.2 °C	963 mm	132
1986	31.8 °C15 July 1986	7.9 °C2 March 1986	24.3 °C	1,324 mm	77
1985	31.5 °C22 July 1985	11.0 °C24 December 1985	24.1 °C	1,552 mm	47
1984	32.1 °C21 April 1984	10.3 °C9 January 1984	24.0 °C	1,354 mm	59
1983	34.1 °C3 July 1983	10.0 °C22 January 1983	24.5 °C	1,397 mm	123
1982	32.4 °C30 April 1982	9.5 °C28 December 1982	24.5 °C	1,485 mm	102
1981	33.0 °C14 May 1981	11.4 °C12 January 1981	24.8 °C	1,722 mm	121
1980	33.4 °C3 May 1980	12.0 °C9 February 1980	24.9 °C	1,542 mm	113
1979	32.7 °C14 May 1979	11.1 °C1 February 1979	25.0 °C	1,280 mm	116
1978	32.0 °C22 May 1978	12.0 °C18 February 1978	24.4 °C	2,131 mm	75
1977	34.7 °C7 June 1977	11.1 °C5 January 1977	24.2 °C	1,091 mm	106
1976	31.9 °C18 April 1976	10.5 °C14 January 1976	23.9 °C	1,628 mm	65
1975	33.1 °C28 April 1975	7.7 °C30 December 1975	24.1 °C	1,779 mm	97
1974	31.8 °C11 July 1974	8.9 °C2 January 1974	23.9 °C	1,801 mm	96
1973	33.9 °C2 June 1973	9.3 °C26 December 1973	24.9 °C	2,000 mm	122
1972	32.8 °C24 May 1972	10.5 °C9 February 1972	24.2 °C	2,090 mm	66
1971	32.0 °C16 June 1971	10.1 °C10 January 1971	23.6 °C	1,395 mm	71
1970	33.7 °C11 May 1970	12.1 °C31 January 1970	24.6 °C	1,299 mm	105
1969	34.9 °C20 May 1969	9.8 °C6 February 1969	24.8 °C	819 mm	125
1968	32.8 °C1 August 1968	11.3 °C15 February 1968	24.3 °C	1,172 mm	92
1967	33.5 °C27 May 1967	7.6 °C17 January 1967	23.8 °C	1,455 mm	93
1966	33.6 °C27 April 1966	12.9 °C24 February 1966	25.1 °C	1,503 mm	71
1965	32.6 °C4 April 1965	11.2 °C18 December 1965	24.5 °C	1,191 mm	74
1964	32.1 °C25 June 1964	9.8 °C26 February 1964	24.1 °C	1,555 mm	87
1963	31.7 °C21 June 1963	8.0 °C16 January 1963	23.7 °C	1,922 mm	83
1962	32.4 °C15 May 1962	11.3 °C27 January 1962	23.9 °C	1,141 mm	89
1961	32.0 °C25 April 1961	8.7 °C18 January 1961	24.3 °C	1,438 mm	60
1960	32.5 °C28 April 1960	10.1 °C3 January 1960	24.3 °C	1,408 mm	88
1959	34.4 °C12 June 1959	10.9 °C11 January 1959	24.3 °C	1,169 mm	85
1958	33.6 °C11 May 1958	11.0 °C5 January 1958	24.1 °C	1,708 mm	95
1957	32.4 °C14 May 1957	9.1 °C12 February 1957	24.0 °C	1,518 mm	82
1956	32.6 °C26 April 1956	10.4 °C9 January 1956	24.1 °C	1,208 mm	103
1955	33.2 °C3 May 1955	7.9 °C12 January 1955	24.2 °C	1,192 mm	92
1954	33.6 °C9 May 1954	12.3 °C17 December 1954	24.9 °C	917 mm	128
1953	32.8 °C20 July 1953	13.0 °C7 January 1953	24.8 °C	1,525 mm	89
1952	33.6 °C29 May 1952	11.6 °C19 February 1952	25.0 °C	1,405 mm	111
1951	33.0 °C10 April 1951	11.7 °C13 January 1951	24.9 °C	1,685 mm	107
1950	33.0 °C4 May 1950	13.7 °C17 December 1950	25.0 °C	1,284 mm	112
1949	33.4 °C15 June 1949	11.1 °C9 January 1949	24.8 °C	742 mm	115
1948	34.0 °C1 July 1948	12.3 °C2 January 1948	24.6 °C	1,102 mm	105
1947	33.6 °C7 May 1947	12.5 °C20 December 1947	24.5 °C	740 mm	93
1946	33.8 °C3 August 1946	10.4 °C7 January 1946	24.9 °C	733 mm	126
1945	31.8 °C7 August 1945	10.9 °C18 January 1945	23.8 °C	1,087 mm	36
1944	32.9 °C8 April 1944	10.1 °C21 December 1944	24.2 °C	1,094 mm	64
1943	33.1 °C12 August 1943	11.6 °C21 November 1943	23.9 °C	879 mm	86
1942	31.6 °C28 May 1942	11.6 °C14 December 1942	24.1 °C	1,422 mm	65
1941	31.6 °C5 April 1941	13.5 °C1 February 1941	24.4 °C	1,730 mm	34
1940	31.9 °C17 May 1940	10.4 °C2 January 1940	23.7 °C	1,363 mm	28

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

27.7 °C

+0.2 °C

Hot days (≥ 30 °C)

125 d/yr

+26

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1864 mm

+432 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.8 °C	-0.2 °C	1 mm	-15 mm
Feb	23.8 °C	-0.3 °C	6 mm	-12 mm
Mar	25.9 °C	-0.7 °C	14 mm	-15 mm
Apr	28.7 °C	-0.1 °C	40 mm	-25 mm
May	31.1 °C	+0.7 °C	211 mm	+89 mm
Jun	31.1 °C	+0.7 °C	272 mm	+90 mm
Jul	30.0 °C	-0.3 °C	557 mm	+350 mm
Aug	30.6 °C	+0.9 °C	188 mm	-121 mm
Sep	29.8 °C	+0.6 °C	236 mm	-15 mm
Oct	28.0 °C	0.0 °C	297 mm	+145 mm
Nov	25.1 °C	-0.9 °C	37 mm	-19 mm
Dec	25.5 °C	+2.0 °C	7 mm	-20 mm

The year's extremes

Hottest day

33.0 °C

8 May 2025

Coldest day

12.2 °C

27 Jan 2025

Wettest day

156.8 mm

14 Jun 2025

Windiest day

45.8 km/h

21 Jul 2025

Strongest gust

98.6 km/h

14 Jun 2025

Hottest feels-like

40.0 °C

8 Jun 2025

Coldest feels-like

7.2 °C

27 Jan 2025

Sunniest day

12.8 h

8 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 Basuo?

Basuo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.5 °C and it receives 1,432 mm of precipitation per year.

What is the hottest day ever recorded in Basuo?

The hottest day measured in Basuo between 1940 and 2025 was 20 May 1969, reaching 34.9 °C.

What is the coldest day in Basuo?

The coldest day measured in Basuo between 1940 and 2025 was 25 January 2016, at 6.0 °C.

Does it snow in Basuo?

Almost never: Basuo sees virtually no snow, with about 0 frost days per year.

Has the climate of Basuo warmed?

Yes: Basuo warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Basuo?

The wettest day measured in Basuo between 1940 and 2025 was 8 September 1963, with 377 mm of rain in 24 hours.

What was the windiest day in Basuo?

The windiest day measured in Basuo between 1940 and 2025 was 22 August 1996, with winds reaching 69.7 km/h.

What is the warmest month in Basuo?

The warmest month in Basuo is June (28.1 °C on average); the coldest is January (19.3 °C).

How much does it rain in Basuo?

Basuo receives on average 1,432 mm of precipitation per year, spread over about 138 rainy days.

Is it sunny in Basuo?

Basuo gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Basuo?

Yes: Basuo has on average 261 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Basuo?

In Basuo, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 1 May 2024, and the lowest was 0.7 °C on 25 January 2016.

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