Santo Antônio do Sudoeste climate — normals and trends

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

Santo Antônio do Sudoeste has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 1,934 mm of precipitation per year.

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

The hottest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 17 November 1985, reaching 38.1 °C.

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

The coldest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 18 July 1975, at -3.8 °C.

Q: Does it snow in Santo Antônio do Sudoeste?

Almost never: Santo Antônio do Sudoeste sees virtually no snow, with about 1 frost days per year.

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

Yes: Santo Antônio do Sudoeste warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

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

The wettest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 28 May 1992, with 150 mm of rain in 24 hours.

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

The windiest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 15 September 1956, with winds reaching 55.2 km/h.

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

The warmest month in Santo Antônio do Sudoeste is January (23.9 °C on average); the coldest is July (15.4 °C).

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

Santo Antônio do Sudoeste receives on average 1,934 mm of precipitation per year, spread over about 152 rainy days.

Q: Is it sunny in Santo Antônio do Sudoeste?

Santo Antônio do Sudoeste gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Santo Antônio do Sudoeste (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.0 °C and it receives 1,934 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 January (23.9 °C on average) and the coldest is July (15.4 °C). Rainfall peaks in October.

Santo Antônio do Sudoeste averages 1 frost days, 50 hot days (≥ 30 °C) and 152 rainy days per year.

Santo Antônio do Sudoeste has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.1 °C (on 17 November 1985) and the coldest -3.8 °C (on 18 July 1975).

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 SudoesteParaná

coords: -26.07°, -53.73°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

20.0°C

Average daily high

25.0°C

Average daily low

15.9°C

Annual rainfall

1,934mm

Sunshine / day

9.3h

Mean relative humidity

77%

Average peak wind

14.6km/h

Seasonal range

8.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

50 d/yr

Rainy days (≥ 1 mm)

152 d/yr

Annual snowfall

0.1 cm

Average feels-like high

27.0 °C

Average feels-like low

15.7 °C

Average peak gust

33.1 km/h

Tropical nights (≥ 20 °C)

62 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.31 · 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

38.1 °C

17 November 1985

Coldest day

-3.8 °C

18 July 1975

Wettest day

150 mm

28 May 1992

Windiest day

55.2 km/h

15 September 1956

Strongest gust

95.0 km/h

2 July 1983

Hottest feels-like

42.0 °C

8 January 1984

Coldest feels-like

-8.1 °C

18 July 1975

Snowiest day

9.0 cm

21 August 1965

Sunniest day

13.3 h

10 January 2013

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.6 °C2 March 2025	-2.1 °C24 June 2025	20.2 °C	1,906 mm	83	1
2024	35.0 °C14 March 2024	1.4 °C10 August 2024	21.4 °C	1,503 mm	96	0
2023	35.3 °C24 September 2023	5.6 °C14 July 2023	20.8 °C	1,908 mm	60	0
2022	37.2 °C23 January 2022	0.9 °C12 June 2022	19.9 °C	1,775 mm	65	0
2021	35.7 °C26 December 2021	-1.0 °C29 June 2021	20.6 °C	1,228 mm	80	4
2020	37.9 °C2 October 2020	1.1 °C21 August 2020	21.0 °C	1,271 mm	93	0
2019	37.0 °C12 October 2019	-1.3 °C6 July 2019	21.3 °C	1,690 mm	82	1
2018	34.8 °C14 December 2018	1.6 °C8 June 2018	20.4 °C	1,809 mm	45	0
2017	35.3 °C21 September 2017	-0.2 °C18 July 2017	21.0 °C	1,845 mm	85	1
2016	34.2 °C29 January 2016	0.7 °C12 June 2016	20.0 °C	1,805 mm	76	0
2015	34.3 °C20 October 2015	3.7 °C16 June 2015	20.9 °C	2,671 mm	52	0
2014	35.8 °C11 February 2014	3.4 °C1 July 2014	20.8 °C	2,254 mm	74	0
2013	33.2 °C1 February 2013	-1.2 °C23 July 2013	19.8 °C	2,166 mm	45	1
2012	35.4 °C6 February 2012	1.2 °C8 June 2012	20.9 °C	1,529 mm	97	0
2011	34.8 °C21 December 2011	-0.5 °C28 June 2011	20.1 °C	1,914 mm	55	1
2010	35.7 °C5 February 2010	0.6 °C14 July 2010	19.8 °C	2,266 mm	56	0
2009	35.0 °C2 November 2009	-1.6 °C25 July 2009	20.0 °C	1,936 mm	71	1
2008	35.2 °C8 December 2008	0.2 °C17 June 2008	20.0 °C	1,583 mm	67	0
2007	34.0 °C2 December 2007	-1.3 °C26 July 2007	20.4 °C	1,839 mm	82	1
2006	35.1 °C16 January 2006	0.7 °C22 August 2006	20.6 °C	1,569 mm	83	0
2005	36.3 °C20 February 2005	2.0 °C19 July 2005	20.8 °C	1,601 mm	104	0
2004	35.6 °C2 March 2004	0.2 °C13 June 2004	20.2 °C	1,782 mm	74	0
2003	36.5 °C11 November 2003	1.5 °C11 September 2003	20.3 °C	1,561 mm	68	0
2002	34.3 °C10 March 2002	-0.7 °C3 September 2002	20.9 °C	2,038 mm	78	1
2001	33.2 °C15 March 2001	-0.8 °C28 July 2001	20.6 °C	1,925 mm	67	1
2000	34.4 °C23 January 2000	-3.1 °C13 July 2000	19.9 °C	1,933 mm	59	4
1999	35.9 °C5 December 1999	-0.7 °C15 August 1999	19.9 °C	1,697 mm	69	1
1998	33.7 °C1 December 1998	4.4 °C25 June 1998	19.8 °C	2,864 mm	49	0
1997	33.1 °C26 December 1997	3.6 °C1 July 1997	20.2 °C	2,540 mm	44	0
1996	33.1 °C11 January 1996	1.4 °C30 June 1996	19.7 °C	2,461 mm	36	0
1995	35.7 °C17 December 1995	1.5 °C26 June 1995	20.3 °C	1,893 mm	62	0
1994	34.4 °C24 September 1994	-1.6 °C26 June 1994	20.4 °C	2,254 mm	54	4
1993	34.0 °C5 January 1993	-1.1 °C14 July 1993	19.7 °C	1,963 mm	48	3
1992	33.3 °C23 December 1992	-0.4 °C19 July 1992	19.7 °C	2,492 mm	58	2
1991	34.8 °C21 January 1991	-1.4 °C2 August 1991	20.4 °C	1,883 mm	78	2
1990	34.2 °C15 November 1990	-1.6 °C29 July 1990	19.6 °C	2,590 mm	56	1
1989	33.0 °C6 December 1989	-0.7 °C6 July 1989	19.3 °C	2,183 mm	37	1
1988	35.7 °C7 December 1988	-1.2 °C12 July 1988	20.1 °C	1,589 mm	90	3
1987	35.1 °C11 October 1987	-0.1 °C17 June 1987	19.8 °C	2,413 mm	64	1
1986	34.8 °C18 November 1986	1.9 °C5 September 1986	20.3 °C	2,234 mm	54	0
1985	38.1 °C17 November 1985	1.0 °C11 July 1985	20.5 °C	1,270 mm	94	0
1984	34.6 °C8 January 1984	-0.9 °C26 August 1984	20.3 °C	2,119 mm	54	1
1983	33.1 °C12 February 1983	2.0 °C5 June 1983	19.7 °C	3,285 mm	50	0
1982	33.0 °C16 January 1982	3.7 °C30 July 1982	20.2 °C	2,253 mm	38	0
1981	33.6 °C1 March 1981	-3.7 °C19 June 1981	20.0 °C	1,712 mm	47	5
1980	33.9 °C17 December 1980	0.3 °C27 June 1980	19.9 °C	2,214 mm	51	0
1979	34.7 °C26 January 1979	0.5 °C1 June 1979	19.3 °C	1,864 mm	44	0
1978	35.0 °C30 January 1978	-1.1 °C1 June 1978	20.4 °C	1,288 mm	78	1
1977	34.1 °C12 March 1977	1.6 °C17 July 1977	20.7 °C	1,693 mm	71	0
1976	33.1 °C24 November 1976	0.4 °C10 July 1976	19.0 °C	1,625 mm	40	0
1975	34.2 °C13 February 1975	-3.8 °C18 July 1975	19.5 °C	1,823 mm	27	3
1974	32.6 °C22 September 1974	1.8 °C5 June 1974	19.4 °C	1,811 mm	38	0
1973	33.6 °C23 February 1973	2.0 °C19 June 1973	19.8 °C	2,221 mm	49	0
1972	33.2 °C27 October 1972	-2.7 °C9 July 1972	19.8 °C	2,453 mm	39	3
1971	33.6 °C5 February 1971	0.4 °C13 June 1971	19.4 °C	1,910 mm	46	0
1970	35.7 °C8 December 1970	2.3 °C24 June 1970	20.0 °C	1,649 mm	58	0
1969	34.1 °C8 February 1969	2.2 °C9 July 1969	19.7 °C	1,764 mm	52	0
1968	35.2 °C25 November 1968	1.6 °C17 May 1968	19.3 °C	1,408 mm	56	0
1967	32.9 °C10 November 1967	1.3 °C9 June 1967	20.1 °C	1,815 mm	27	0
1966	32.7 °C24 January 1966	-2.4 °C6 August 1966	19.5 °C	1,832 mm	33	1
1965	32.9 °C22 January 1965	-0.1 °C11 July 1965	19.2 °C	2,287 mm	21	1
1964	33.5 °C7 February 1964	2.0 °C6 June 1964	19.1 °C	1,224 mm	50	0
1963	34.1 °C3 January 1963	-1.4 °C6 August 1963	20.3 °C	1,844 mm	67	1
1962	35.9 °C24 December 1962	0.2 °C17 July 1962	18.7 °C	1,234 mm	37	0
1961	33.0 °C25 January 1961	0.8 °C16 June 1961	20.4 °C	1,376 mm	49	0
1960	34.7 °C10 December 1960	-0.9 °C25 June 1960	19.2 °C	1,737 mm	33	1
1959	31.6 °C9 September 1959	3.0 °C7 June 1959	20.0 °C	1,819 mm	7	0
1958	34.3 °C15 February 1958	4.3 °C19 June 1958	20.0 °C	1,895 mm	46	0
1957	33.1 °C18 October 1957	2.0 °C21 July 1957	19.6 °C	2,109 mm	14	0
1956	31.2 °C6 February 1956	2.8 °C15 May 1956	18.9 °C	1,602 mm	7	0
1955	31.9 °C19 February 1955	-1.2 °C31 July 1955	19.4 °C	1,827 mm	18	1
1954	32.2 °C10 December 1954	4.7 °C21 June 1954	19.7 °C	2,264 mm	12	0
1953	30.9 °C5 January 1953	5.4 °C6 July 1953	20.4 °C	1,986 mm	9	0
1952	33.8 °C12 December 1952	1.3 °C19 June 1952	19.8 °C	1,546 mm	28	0
1951	31.6 °C25 September 1951	5.6 °C6 July 1951	19.8 °C	1,946 mm	4	0
1950	29.8 °C10 November 1950	2.9 °C11 July 1950	19.5 °C	2,228 mm	0	0
1949	31.3 °C15 November 1949	3.2 °C14 May 1949	19.3 °C	2,368 mm	7	0
1948	31.0 °C23 September 1948	5.1 °C22 May 1948	19.5 °C	3,041 mm	5	0
1947	30.2 °C29 November 1947	3.3 °C10 July 1947	19.3 °C	2,084 mm	2	0
1946	29.9 °C25 November 1946	2.4 °C18 July 1946	19.4 °C	2,719 mm	0	0
1945	31.9 °C10 January 1945	1.9 °C21 June 1945	19.9 °C	1,905 mm	14	0
1944	31.9 °C26 March 1944	1.4 °C27 June 1944	21.0 °C	1,189 mm	21	0
1943	36.4 °C17 January 1943	3.2 °C29 August 1943	20.3 °C	738 mm	70	0
1942	37.6 °C26 November 1942	0.6 °C19 June 1942	19.8 °C	1,364 mm	53	0
1941	29.8 °C6 January 1941	1.5 °C18 July 1941	19.7 °C	2,889 mm	0	0
1940	30.0 °C26 December 1940	4.6 °C17 August 1940	19.6 °C	2,709 mm	1	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

25.4 °C

+0.4 °C

Hot days (≥ 30 °C)

83 d/yr

+33

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1906 mm

-29 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.8 °C	+2.1 °C	62 mm	-128 mm
Feb	30.8 °C	+2.4 °C	112 mm	-49 mm
Mar	29.9 °C	+2.2 °C	75 mm	-61 mm
Apr	24.2 °C	-0.9 °C	151 mm	+6 mm
May	23.2 °C	+1.4 °C	190 mm	+33 mm
Jun	18.3 °C	-1.9 °C	379 mm	+222 mm
Jul	20.9 °C	+0.4 °C	53 mm	-77 mm
Aug	21.7 °C	-0.8 °C	107 mm	-18 mm
Sep	24.9 °C	+0.7 °C	108 mm	-61 mm
Oct	24.6 °C	-1.1 °C	205 mm	-15 mm
Nov	27.2 °C	-0.1 °C	199 mm	+35 mm
Dec	28.1 °C	-0.3 °C	265 mm	+86 mm

The year's extremes

Hottest day

34.6 °C

2 Mar 2025

Coldest day

-2.1 °C

24 Jun 2025

Wettest day

85.7 mm

5 Jun 2025

Windiest day

32.2 km/h

22 Sep 2025

Strongest gust

82.8 km/h

9 May 2025

Hottest feels-like

38.8 °C

2 Mar 2025

Coldest feels-like

-5.4 °C

24 Jun 2025

Sunniest day

13.2 h

6 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 Sudoeste?

Santo Antônio do Sudoeste has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 1,934 mm of precipitation per year.

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

The hottest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 17 November 1985, reaching 38.1 °C.

What is the coldest day in Santo Antônio do Sudoeste?

The coldest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 18 July 1975, at -3.8 °C.

Does it snow in Santo Antônio do Sudoeste?

Almost never: Santo Antônio do Sudoeste sees virtually no snow, with about 1 frost days per year.

Has the climate of Santo Antônio do Sudoeste warmed?

Yes: Santo Antônio do Sudoeste warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Santo Antônio do Sudoeste?

The wettest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 28 May 1992, with 150 mm of rain in 24 hours.

What was the windiest day in Santo Antônio do Sudoeste?

The windiest day measured in Santo Antônio do Sudoeste between 1940 and 2025 was 15 September 1956, with winds reaching 55.2 km/h.

What is the warmest month in Santo Antônio do Sudoeste?

The warmest month in Santo Antônio do Sudoeste is January (23.9 °C on average); the coldest is July (15.4 °C).

How much does it rain in Santo Antônio do Sudoeste?

Santo Antônio do Sudoeste receives on average 1,934 mm of precipitation per year, spread over about 152 rainy days.

Is it sunny in Santo Antônio do Sudoeste?

Santo Antônio do Sudoeste gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

What is the biggest single-day snowfall in Santo Antônio do Sudoeste?

The heaviest 24-hour snowfall measured in Santo Antônio do Sudoeste between 1940 and 2025 was 21 August 1965, with 9.0 cm.

Are there tropical nights in Santo Antônio do Sudoeste?

Yes: Santo Antônio do Sudoeste has on average 62 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

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

In Santo Antônio do Sudoeste, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 8 January 1984, and the lowest was -8.1 °C on 18 July 1975.

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