Haitou climate — normals and trends

Q: What is the climate of Haitou?

Haitou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,132 mm of precipitation per year.

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

The hottest day measured in Haitou between 1940 and 2025 was 28 April 2024, reaching 36.6 °C.

Q: What is the coldest day in Haitou?

The coldest day measured in Haitou between 1940 and 2025 was 24 January 2016, at 7.5 °C.

Q: Does it snow in Haitou?

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

Q: Has the climate of Haitou warmed?

Yes: Haitou warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Haitou?

The wettest day measured in Haitou between 1940 and 2025 was 25 August 1973, with 280 mm of rain in 24 hours.

Q: What was the windiest day in Haitou?

The windiest day measured in Haitou between 1940 and 2025 was 25 September 1955, with winds reaching 83.7 km/h.

Q: What is the warmest month in Haitou?

The warmest month in Haitou is June (29.0 °C on average); the coldest is January (19.0 °C).

Q: How much does it rain in Haitou?

Haitou receives on average 1,132 mm of precipitation per year, spread over about 135 rainy days.

Q: Is it sunny in Haitou?

Haitou gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Haitou (China) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.8 °C and it receives 1,132 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 (29.0 °C on average) and the coldest is January (19.0 °C). Rainfall peaks in August.

Haitou averages 0 frost days, 121 hot days (≥ 30 °C) and 135 rainy days per year.

Haitou has warmed by +0.7 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.6 °C (on 28 April 2024) and the coldest 7.5 °C (on 24 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

HaitouHainan

coords: 19.51°, 108.95°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthJuneColdest monthJanuaryWettest monthAugustDriest monthJanuary

Mean daily temperature

24.8°C

Average daily high

27.6°C

Average daily low

22.6°C

Annual rainfall

1,132mm

Sunshine / day

9.7h

Mean relative humidity

79%

Average peak wind

21.2km/h

Seasonal range

10.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

121 d/yr

Rainy days (≥ 1 mm)

135 d/yr

Annual snowfall

0.0 cm

Average feels-like high

30.7 °C

Average feels-like low

24.7 °C

Average peak gust

36.4 km/h

Tropical nights (≥ 20 °C)

263 d/yr

Solar radiation

17.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °C

since 1940

+0.1 °C per decade · r² = 0.17 · 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

36.6 °C

28 April 2024

Coldest day

7.5 °C

24 January 2016

Wettest day

280 mm

25 August 1973

Windiest day

83.7 km/h

25 September 1955

Strongest gust

142.9 km/h

25 September 1955

Hottest feels-like

43.8 °C

21 June 2024

Coldest feels-like

1.7 °C

24 January 2016

Sunniest day

12.9 h

5 June 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.6 °C8 May 2025	12.9 °C27 January 2025	25.0 °C	1,542 mm	144
2024	36.6 °C28 April 2024	12.8 °C23 January 2024	26.1 °C	1,450 mm	165
2023	36.1 °C6 May 2023	11.9 °C29 January 2023	25.8 °C	1,146 mm	153
2022	34.8 °C22 June 2022	12.3 °C20 February 2022	25.1 °C	1,266 mm	149
2021	34.8 °C3 June 2021	10.7 °C9 January 2021	25.5 °C	1,232 mm	154
2020	36.0 °C11 July 2020	13.0 °C31 December 2020	26.0 °C	763 mm	157
2019	35.7 °C22 June 2019	14.5 °C1 January 2019	26.5 °C	931 mm	175
2018	34.3 °C26 May 2018	10.4 °C1 February 2018	25.1 °C	1,616 mm	128
2017	34.3 °C21 April 2017	13.2 °C17 December 2017	25.2 °C	1,031 mm	134
2016	34.9 °C18 July 2016	7.5 °C24 January 2016	25.0 °C	1,818 mm	140
2015	36.5 °C30 May 2015	12.1 °C15 January 2015	25.7 °C	1,079 mm	152
2014	35.4 °C24 May 2014	10.9 °C19 February 2014	24.9 °C	1,314 mm	131
2013	34.7 °C16 May 2013	12.3 °C29 December 2013	24.8 °C	1,362 mm	112
2012	33.9 °C4 May 2012	12.1 °C30 December 2012	24.9 °C	1,279 mm	116
2011	34.4 °C9 June 2011	11.2 °C12 January 2011	23.8 °C	1,574 mm	98
2010	35.7 °C19 June 2010	11.4 °C16 December 2010	25.4 °C	968 mm	156
2009	34.5 °C1 July 2009	11.3 °C11 January 2009	25.0 °C	1,492 mm	129
2008	34.8 °C21 July 2008	11.3 °C12 February 2008	24.3 °C	1,220 mm	126
2007	35.0 °C9 June 2007	12.8 °C29 January 2007	25.0 °C	1,037 mm	122
2006	34.7 °C7 June 2006	12.5 °C7 January 2006	25.2 °C	729 mm	135
2005	34.9 °C15 May 2005	11.7 °C14 January 2005	24.9 °C	1,006 mm	127
2004	34.7 °C8 July 2004	11.0 °C9 February 2004	24.6 °C	1,232 mm	124
2003	35.4 °C7 May 2003	11.6 °C7 January 2003	25.2 °C	1,149 mm	148
2002	33.6 °C28 June 2002	11.9 °C27 December 2002	24.9 °C	1,317 mm	115
2001	34.9 °C21 April 2001	12.3 °C24 December 2001	24.8 °C	1,450 mm	122
2000	33.9 °C1 May 2000	12.3 °C1 February 2000	24.6 °C	1,116 mm	121
1999	33.9 °C19 July 1999	9.0 °C24 December 1999	24.7 °C	1,057 mm	123
1998	35.4 °C20 July 1998	13.8 °C5 February 1998	25.7 °C	886 mm	147
1997	34.0 °C13 June 1997	13.3 °C12 January 1997	24.8 °C	1,120 mm	112
1996	34.6 °C15 July 1996	10.0 °C21 February 1996	24.4 °C	1,262 mm	114
1995	34.2 °C24 June 1995	11.4 °C31 December 1995	24.5 °C	1,200 mm	122
1994	34.8 °C3 May 1994	12.0 °C24 January 1994	24.7 °C	1,417 mm	94
1993	34.4 °C26 July 1993	10.1 °C29 January 1993	24.8 °C	847 mm	133
1992	34.5 °C8 May 1992	11.9 °C17 January 1992	24.4 °C	1,233 mm	125
1991	34.8 °C26 May 1991	9.5 °C28 December 1991	25.3 °C	1,099 mm	130
1990	33.9 °C10 August 1990	11.5 °C1 February 1990	25.0 °C	982 mm	124
1989	34.3 °C9 July 1989	11.7 °C14 January 1989	24.6 °C	1,043 mm	129
1988	35.0 °C24 May 1988	14.0 °C12 December 1988	24.8 °C	949 mm	131
1987	35.4 °C7 August 1987	12.6 °C7 December 1987	25.7 °C	649 mm	171
1986	33.5 °C1 July 1986	9.3 °C2 March 1986	24.5 °C	921 mm	125
1985	33.4 °C22 July 1985	12.8 °C10 January 1985	24.3 °C	1,206 mm	92
1984	34.5 °C25 July 1984	10.7 °C8 February 1984	24.1 °C	1,168 mm	97
1983	35.7 °C4 July 1983	10.7 °C22 January 1983	24.6 °C	1,259 mm	145
1982	34.3 °C12 May 1982	10.7 °C29 December 1982	24.6 °C	1,176 mm	117
1981	33.6 °C5 April 1981	11.8 °C21 December 1981	25.0 °C	1,360 mm	128
1980	35.0 °C24 April 1980	11.4 °C9 February 1980	25.0 °C	1,425 mm	123
1979	33.8 °C14 May 1979	12.0 °C1 February 1979	25.1 °C	947 mm	129
1978	33.1 °C17 July 1978	12.4 °C16 February 1978	24.6 °C	1,843 mm	92
1977	36.1 °C7 June 1977	11.5 °C5 January 1977	24.5 °C	925 mm	122
1976	33.1 °C18 June 1976	11.0 °C14 January 1976	24.0 °C	1,417 mm	85
1975	34.3 °C28 April 1975	9.1 °C30 December 1975	24.2 °C	1,394 mm	109
1974	33.8 °C11 July 1974	10.4 °C2 January 1974	24.1 °C	1,470 mm	104
1973	34.5 °C19 May 1973	11.4 °C26 December 1973	25.0 °C	1,910 mm	128
1972	33.9 °C11 May 1972	10.3 °C9 February 1972	24.4 °C	1,662 mm	95
1971	33.0 °C2 August 1971	11.2 °C10 January 1971	23.9 °C	1,187 mm	103
1970	34.9 °C7 June 1970	12.5 °C20 January 1970	24.7 °C	1,097 mm	124
1969	36.0 °C20 May 1969	10.9 °C5 February 1969	25.0 °C	628 mm	167
1968	34.8 °C12 July 1968	11.0 °C15 February 1968	24.6 °C	991 mm	111
1967	34.5 °C27 May 1967	9.4 °C17 January 1967	24.0 °C	1,231 mm	102
1966	34.7 °C28 April 1966	12.9 °C24 February 1966	25.4 °C	1,072 mm	122
1965	33.8 °C4 April 1965	12.3 °C18 December 1965	24.6 °C	1,085 mm	92
1964	33.3 °C31 July 1964	10.6 °C26 February 1964	24.3 °C	1,146 mm	104
1963	33.5 °C13 May 1963	9.3 °C16 January 1963	24.2 °C	1,192 mm	112
1962	34.6 °C15 May 1962	11.2 °C28 January 1962	24.3 °C	1,007 mm	125
1961	34.0 °C24 July 1961	10.3 °C18 January 1961	24.8 °C	892 mm	100
1960	33.8 °C26 April 1960	11.3 °C26 January 1960	24.6 °C	1,109 mm	114
1959	35.7 °C19 June 1959	11.4 °C11 January 1959	24.7 °C	796 mm	104
1958	35.3 °C11 May 1958	11.8 °C5 January 1958	24.4 °C	1,219 mm	104
1957	35.1 °C9 August 1957	9.7 °C7 February 1957	24.5 °C	1,152 mm	107
1956	34.3 °C27 April 1956	11.1 °C9 January 1956	24.4 °C	842 mm	115
1955	34.2 °C17 April 1955	8.9 °C12 January 1955	24.5 °C	789 mm	118
1954	34.5 °C13 July 1954	13.4 °C17 December 1954	25.2 °C	832 mm	130
1953	34.4 °C20 July 1953	13.8 °C7 January 1953	25.1 °C	1,116 mm	117
1952	34.4 °C31 May 1952	11.4 °C19 February 1952	25.3 °C	1,245 mm	131
1951	34.2 °C10 April 1951	11.6 °C13 January 1951	25.0 °C	1,529 mm	112
1950	34.2 °C21 April 1950	13.8 °C17 December 1950	25.3 °C	1,315 mm	132
1949	35.0 °C5 June 1949	11.5 °C10 January 1949	25.2 °C	574 mm	120
1948	35.1 °C1 July 1948	13.3 °C2 January 1948	25.0 °C	765 mm	113
1947	35.3 °C8 August 1947	13.5 °C20 December 1947	24.9 °C	578 mm	131
1946	35.1 °C17 June 1946	11.9 °C7 January 1946	25.3 °C	586 mm	133
1945	33.5 °C14 July 1945	11.5 °C17 January 1945	24.0 °C	818 mm	87
1944	33.7 °C9 April 1944	11.3 °C21 December 1944	24.5 °C	918 mm	91
1943	33.5 °C28 July 1943	12.6 °C12 January 1943	24.2 °C	635 mm	104
1942	33.2 °C26 May 1942	12.4 °C15 December 1942	24.4 °C	1,145 mm	95
1941	33.2 °C7 May 1941	13.5 °C1 February 1941	24.6 °C	1,005 mm	72
1940	33.1 °C16 May 1940	11.4 °C2 January 1940	24.0 °C	923 mm	75

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

27.6 °C

0.0 °C

Hot days (≥ 30 °C)

144 d/yr

+23

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1542 mm

+410 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.9 °C	-0.4 °C	9 mm	-14 mm
Feb	22.7 °C	-0.6 °C	10 mm	-14 mm
Mar	24.7 °C	-1.2 °C	27 mm	-1 mm
Apr	28.9 °C	+0.1 °C	33 mm	-18 mm
May	31.6 °C	+0.8 °C	166 mm	+62 mm
Jun	31.9 °C	+0.5 °C	189 mm	+51 mm
Jul	30.7 °C	-0.8 °C	485 mm	+329 mm
Aug	31.2 °C	+0.6 °C	161 mm	-69 mm
Sep	30.2 °C	+0.6 °C	130 mm	-57 mm
Oct	28.2 °C	+0.1 °C	282 mm	+165 mm
Nov	24.5 °C	-1.3 °C	34 mm	-11 mm
Dec	24.6 °C	+1.6 °C	17 mm	-15 mm

The year's extremes

Hottest day

34.6 °C

8 May 2025

Coldest day

12.9 °C

27 Jan 2025

Wettest day

215.6 mm

21 Jul 2025

Windiest day

56.7 km/h

21 Jul 2025

Strongest gust

90.4 km/h

21 Jul 2025

Hottest feels-like

42.8 °C

9 May 2025

Coldest feels-like

7.6 °C

27 Jan 2025

Sunniest day

12.9 h

1 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 Haitou?

Haitou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,132 mm of precipitation per year.

What is the hottest day ever recorded in Haitou?

The hottest day measured in Haitou between 1940 and 2025 was 28 April 2024, reaching 36.6 °C.

What is the coldest day in Haitou?

The coldest day measured in Haitou between 1940 and 2025 was 24 January 2016, at 7.5 °C.

Does it snow in Haitou?

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

Has the climate of Haitou warmed?

Yes: Haitou warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Haitou?

The wettest day measured in Haitou between 1940 and 2025 was 25 August 1973, with 280 mm of rain in 24 hours.

What was the windiest day in Haitou?

The windiest day measured in Haitou between 1940 and 2025 was 25 September 1955, with winds reaching 83.7 km/h.

What is the warmest month in Haitou?

The warmest month in Haitou is June (29.0 °C on average); the coldest is January (19.0 °C).

How much does it rain in Haitou?

Haitou receives on average 1,132 mm of precipitation per year, spread over about 135 rainy days.

Is it sunny in Haitou?

Haitou gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in Haitou?

Yes: Haitou has on average 263 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Haitou?

In Haitou, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 21 June 2024, and the lowest was 1.7 °C on 24 January 2016.

Compare Haitou with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Haitou

Other cities — China

All cities in China →