Santo Antônio do Descoberto climate — normals and trends

Q: What is the climate of Santo Antônio do Descoberto?

Santo Antônio do Descoberto has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,390 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santo Antônio do Descoberto?

The hottest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 16 October 1963, reaching 37.6 °C.

Q: What is the coldest day in Santo Antônio do Descoberto?

The coldest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 10 June 1985, at 4.5 °C.

Q: Does it snow in Santo Antônio do Descoberto?

Almost never: Santo Antônio do Descoberto sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Santo Antônio do Descoberto warmed?

Yes: Santo Antônio do Descoberto warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Santo Antônio do Descoberto?

The wettest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 1 February 1979, with 118 mm of rain in 24 hours.

Q: What was the windiest day in Santo Antônio do Descoberto?

The windiest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 13 January 1978, with winds reaching 32.8 km/h.

Q: What is the warmest month in Santo Antônio do Descoberto?

The warmest month in Santo Antônio do Descoberto is September (23.7 °C on average); the coldest is June (19.7 °C).

Q: How much does it rain in Santo Antônio do Descoberto?

Santo Antônio do Descoberto receives on average 1,390 mm of precipitation per year, spread over about 161 rainy days.

Q: Is it sunny in Santo Antônio do Descoberto?

Santo Antônio do Descoberto gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Santo Antônio do Descoberto (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 21.8 °C and it receives 1,390 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 September (23.7 °C on average) and the coldest is June (19.7 °C). Rainfall peaks in December.

Santo Antônio do Descoberto averages 0 frost days, 48 hot days (≥ 30 °C) and 161 rainy days per year.

Santo Antônio do Descoberto has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.6 °C (on 16 October 1963) and the coldest 4.5 °C (on 10 June 1985).

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

Santo Antônio do DescobertoGoiás

coords: -15.94°, -48.26°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthSeptemberColdest monthJuneWettest monthDecemberDriest monthJuly

Mean daily temperature

21.8°C

Average daily high

27.2°C

Average daily low

17.1°C

Annual rainfall

1,390mm

Sunshine / day

10.3h

Mean relative humidity

69%

Average peak wind

12.9km/h

Seasonal range

4.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

48 d/yr

Rainy days (≥ 1 mm)

161 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.9 °C

Average feels-like low

17.5 °C

Average peak gust

30.6 km/h

Tropical nights (≥ 20 °C)

17 d/yr

Solar radiation

19.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.52 · 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

37.6 °C

16 October 1963

Coldest day

4.5 °C

10 June 1985

Wettest day

118 mm

1 February 1979

Windiest day

32.8 km/h

13 January 1978

Strongest gust

69.1 km/h

13 January 1978

Hottest feels-like

38.9 °C

22 October 2015

Coldest feels-like

1.0 °C

10 June 1985

Sunniest day

12.8 h

19 January 1954

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.1 °C8 October 2025	9.1 °C12 August 2025	22.3 °C	903 mm	82
2024	36.1 °C5 October 2024	10.4 °C11 August 2024	22.6 °C	1,533 mm	72
2023	35.1 °C14 November 2023	11.2 °C29 June 2023	22.5 °C	1,098 mm	93
2022	34.4 °C13 September 2022	4.6 °C19 May 2022	21.9 °C	1,197 mm	50
2021	35.9 °C21 September 2021	7.5 °C30 June 2021	22.0 °C	1,367 mm	51
2020	36.8 °C7 October 2020	9.6 °C28 May 2020	22.1 °C	1,269 mm	72
2019	35.4 °C21 September 2019	9.8 °C7 July 2019	22.9 °C	928 mm	92
2018	34.2 °C12 October 2018	10.3 °C21 May 2018	22.2 °C	1,142 mm	69
2017	36.9 °C15 October 2017	10.0 °C18 July 2017	22.5 °C	1,161 mm	84
2016	35.1 °C15 September 2016	11.8 °C18 June 2016	23.0 °C	1,234 mm	115
2015	36.9 °C17 October 2015	11.9 °C13 August 2015	22.9 °C	1,193 mm	114
2014	36.2 °C15 October 2014	12.3 °C9 August 2014	22.6 °C	1,263 mm	68
2013	34.0 °C23 September 2013	12.0 °C8 July 2013	22.2 °C	1,496 mm	59
2012	35.2 °C29 October 2012	11.6 °C10 August 2012	22.3 °C	1,166 mm	66
2011	34.4 °C11 September 2011	11.2 °C28 June 2011	22.2 °C	1,414 mm	56
2010	34.1 °C5 October 2010	10.7 °C20 August 2010	22.9 °C	1,171 mm	119
2009	32.3 °C5 March 2009	11.0 °C3 June 2009	22.3 °C	1,562 mm	56
2008	36.3 °C28 October 2008	9.7 °C10 July 2008	22.2 °C	1,295 mm	74
2007	35.5 °C17 October 2007	11.3 °C10 June 2007	22.7 °C	916 mm	84
2006	33.4 °C17 September 2006	9.1 °C24 July 2006	21.7 °C	1,740 mm	36
2005	35.1 °C17 October 2005	10.7 °C10 July 2005	22.3 °C	1,315 mm	71
2004	35.4 °C30 September 2004	10.4 °C24 July 2004	22.4 °C	1,435 mm	70
2003	35.0 °C25 September 2003	8.9 °C5 July 2003	22.1 °C	1,032 mm	64
2002	35.1 °C22 October 2002	10.5 °C29 May 2002	22.9 °C	1,128 mm	95
2001	35.1 °C11 September 2001	12.8 °C17 September 2001	22.1 °C	1,199 mm	52
2000	34.6 °C21 October 2000	9.0 °C18 July 2000	22.2 °C	1,291 mm	61
1999	34.6 °C9 September 1999	9.5 °C22 May 1999	22.2 °C	1,241 mm	62
1998	35.8 °C16 September 1998	11.6 °C8 June 1998	22.9 °C	1,388 mm	106
1997	34.3 °C12 October 1997	9.1 °C9 June 1997	21.8 °C	1,613 mm	65
1996	33.8 °C25 September 1996	10.8 °C30 June 1996	21.9 °C	1,345 mm	57
1995	34.5 °C3 October 1995	9.8 °C8 June 1995	22.2 °C	1,300 mm	69
1994	36.3 °C3 October 1994	8.5 °C26 June 1994	22.5 °C	1,408 mm	81
1993	33.3 °C9 September 1993	9.8 °C25 May 1993	22.2 °C	1,340 mm	69
1992	31.3 °C5 September 1992	11.6 °C17 June 1992	21.4 °C	1,875 mm	8
1991	33.0 °C30 October 1991	10.9 °C13 June 1991	21.8 °C	1,593 mm	41
1990	32.9 °C12 October 1990	11.0 °C19 May 1990	22.0 °C	1,127 mm	47
1989	31.8 °C25 September 1989	8.9 °C22 July 1989	21.4 °C	1,550 mm	22
1988	34.1 °C28 September 1988	9.3 °C20 June 1988	21.7 °C	1,213 mm	33
1987	34.1 °C17 September 1987	9.7 °C1 August 1987	22.1 °C	1,291 mm	57
1986	32.3 °C8 October 1986	9.3 °C6 June 1986	21.6 °C	1,059 mm	33
1985	32.6 °C20 September 1985	4.5 °C10 June 1985	21.1 °C	1,272 mm	25
1984	32.4 °C10 October 1984	11.1 °C27 August 1984	21.6 °C	1,209 mm	22
1983	31.9 °C3 September 1983	10.4 °C3 August 1983	21.4 °C	1,736 mm	17
1982	32.6 °C24 November 1982	12.2 °C2 May 1982	21.5 °C	1,526 mm	14
1981	33.1 °C22 September 1981	7.8 °C21 July 1981	21.2 °C	1,517 mm	37
1980	33.7 °C27 October 1980	11.8 °C3 July 1980	21.6 °C	1,669 mm	37
1979	32.5 °C7 October 1979	6.5 °C1 June 1979	21.1 °C	1,819 mm	30
1978	32.9 °C7 October 1978	9.3 °C15 August 1978	21.2 °C	1,427 mm	18
1977	32.4 °C17 September 1977	6.6 °C18 May 1977	21.5 °C	1,391 mm	35
1976	31.0 °C11 August 1976	9.8 °C25 June 1976	21.1 °C	1,394 mm	14
1975	33.2 °C3 October 1975	6.3 °C18 July 1975	21.2 °C	1,169 mm	25
1974	32.4 °C13 September 1974	9.0 °C4 July 1974	21.2 °C	1,306 mm	24
1973	33.6 °C20 September 1973	8.7 °C20 June 1973	21.9 °C	1,539 mm	36
1972	31.8 °C27 September 1972	9.6 °C22 June 1972	21.4 °C	1,464 mm	11
1971	31.0 °C21 September 1971	8.5 °C23 July 1971	20.9 °C	1,510 mm	11
1970	31.9 °C27 September 1970	9.1 °C15 August 1970	21.4 °C	1,150 mm	21
1969	34.1 °C13 September 1969	9.4 °C10 July 1969	21.7 °C	1,143 mm	43
1968	33.4 °C9 October 1968	8.7 °C16 June 1968	20.5 °C	1,384 mm	18
1967	32.3 °C17 October 1967	7.9 °C22 July 1967	21.1 °C	1,133 mm	27
1966	31.9 °C16 September 1966	10.7 °C5 June 1966	20.9 °C	1,639 mm	14
1965	33.4 °C20 September 1965	10.6 °C27 July 1965	20.9 °C	1,887 mm	34
1964	31.3 °C9 September 1964	10.0 °C7 June 1964	20.6 °C	2,186 mm	15
1963	37.6 °C16 October 1963	10.8 °C22 June 1963	22.1 °C	1,093 mm	82
1962	34.2 °C13 September 1962	10.9 °C12 June 1962	21.3 °C	1,804 mm	28
1961	36.6 °C26 October 1961	12.3 °C7 August 1961	22.5 °C	1,054 mm	86
1960	36.1 °C26 September 1960	11.9 °C6 June 1960	21.3 °C	1,655 mm	40
1959	33.0 °C12 September 1959	10.9 °C22 June 1959	21.8 °C	1,442 mm	41
1958	36.1 °C23 November 1958	11.8 °C23 June 1958	22.0 °C	1,382 mm	67
1957	34.9 °C21 September 1957	8.5 °C22 July 1957	21.6 °C	1,518 mm	70
1956	34.4 °C26 September 1956	7.6 °C6 June 1956	21.1 °C	1,387 mm	40
1955	35.3 °C3 October 1955	11.1 °C31 July 1955	21.7 °C	1,398 mm	48
1954	34.5 °C17 October 1954	12.9 °C31 August 1954	22.0 °C	1,043 mm	61
1953	31.7 °C22 August 1953	13.0 °C6 July 1953	21.2 °C	1,413 mm	12
1952	32.9 °C30 September 1952	12.5 °C30 April 1952	21.2 °C	1,581 mm	33
1951	34.1 °C24 November 1951	10.5 °C16 July 1951	21.3 °C	1,499 mm	52
1950	34.6 °C20 September 1950	11.5 °C1 July 1950	21.4 °C	1,351 mm	23
1949	34.5 °C8 October 1949	10.9 °C19 May 1949	21.4 °C	1,310 mm	41
1948	33.5 °C26 September 1948	12.1 °C1 June 1948	21.5 °C	1,267 mm	45
1947	33.1 °C30 August 1947	11.8 °C17 July 1947	21.0 °C	1,832 mm	7
1946	32.7 °C9 September 1946	11.3 °C27 July 1946	21.5 °C	1,443 mm	23
1945	32.8 °C30 September 1945	10.6 °C1 June 1945	21.1 °C	1,774 mm	41
1944	33.2 °C31 August 1944	11.1 °C10 July 1944	20.9 °C	1,721 mm	30
1943	30.8 °C23 September 1943	10.4 °C11 June 1943	19.9 °C	2,220 mm	5
1942	35.5 °C8 October 1942	9.6 °C24 June 1942	21.6 °C	999 mm	60
1941	32.2 °C3 September 1941	11.8 °C30 May 1941	21.3 °C	1,568 mm	21
1940	31.8 °C26 August 1940	11.8 °C6 July 1940	20.9 °C	1,548 mm	7

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

28.0 °C

+0.8 °C

Hot days (≥ 30 °C)

82 d/yr

+34

Frost days (< 0 °C)

0 d/yr

Annual rainfall

903 mm

-487 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.8 °C	+0.2 °C	236 mm	+15 mm
Feb	28.5 °C	+1.7 °C	61 mm	-141 mm
Mar	28.8 °C	+2.0 °C	120 mm	-80 mm
Apr	27.5 °C	+0.8 °C	122 mm	+20 mm
May	26.2 °C	0.0 °C	2 mm	-24 mm
Jun	26.6 °C	+0.6 °C	1 mm	-5 mm
Jul	26.7 °C	+0.5 °C	0 mm	-4 mm
Aug	29.1 °C	+0.7 °C	0 mm	-7 mm
Sep	30.4 °C	+0.4 °C	17 mm	-19 mm
Oct	30.1 °C	+1.2 °C	44 mm	-99 mm
Nov	28.9 °C	+1.9 °C	115 mm	-97 mm
Dec	26.8 °C	+0.4 °C	185 mm	-48 mm

The year's extremes

Hottest day

34.1 °C

8 Oct 2025

Coldest day

9.1 °C

12 Aug 2025

Wettest day

39.2 mm

14 Jan 2025

Windiest day

26.3 km/h

26 Sep 2025

Strongest gust

57.6 km/h

9 Dec 2025

Hottest feels-like

35.2 °C

5 Nov 2025

Coldest feels-like

5.5 °C

12 Aug 2025

Sunniest day

12.8 h

11 Jan 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 Santo Antônio do Descoberto?

Santo Antônio do Descoberto has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,390 mm of precipitation per year.

What is the hottest day ever recorded in Santo Antônio do Descoberto?

The hottest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 16 October 1963, reaching 37.6 °C.

What is the coldest day in Santo Antônio do Descoberto?

The coldest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 10 June 1985, at 4.5 °C.

Does it snow in Santo Antônio do Descoberto?

Almost never: Santo Antônio do Descoberto sees virtually no snow, with about 0 frost days per year.

Has the climate of Santo Antônio do Descoberto warmed?

Yes: Santo Antônio do Descoberto warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Santo Antônio do Descoberto?

The wettest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 1 February 1979, with 118 mm of rain in 24 hours.

What was the windiest day in Santo Antônio do Descoberto?

The windiest day measured in Santo Antônio do Descoberto between 1940 and 2025 was 13 January 1978, with winds reaching 32.8 km/h.

What is the warmest month in Santo Antônio do Descoberto?

The warmest month in Santo Antônio do Descoberto is September (23.7 °C on average); the coldest is June (19.7 °C).

How much does it rain in Santo Antônio do Descoberto?

Santo Antônio do Descoberto receives on average 1,390 mm of precipitation per year, spread over about 161 rainy days.

Is it sunny in Santo Antônio do Descoberto?

Santo Antônio do Descoberto gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Are there tropical nights in Santo Antônio do Descoberto?

Yes: Santo Antônio do Descoberto has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santo Antônio do Descoberto?

In Santo Antônio do Descoberto, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 22 October 2015, and the lowest was 1.0 °C on 10 June 1985.

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