Cachoeira do Sul climate — normals and trends

Q: What is the climate of Cachoeira do Sul?

Cachoeira do Sul has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,545 mm of precipitation per year.

Q: What is the hottest day ever recorded in Cachoeira do Sul?

The hottest day measured in Cachoeira do Sul between 1940 and 2025 was 16 November 1985, reaching 42.1 °C.

Q: What is the coldest day in Cachoeira do Sul?

The coldest day measured in Cachoeira do Sul between 1940 and 2025 was 14 June 1967, at -2.8 °C.

Q: Does it snow in Cachoeira do Sul?

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

Q: Has the climate of Cachoeira do Sul warmed?

Yes: Cachoeira do Sul warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cachoeira do Sul?

The wettest day measured in Cachoeira do Sul between 1940 and 2025 was 27 May 2015, with 126 mm of rain in 24 hours.

Q: What was the windiest day in Cachoeira do Sul?

The windiest day measured in Cachoeira do Sul between 1940 and 2025 was 2 July 1983, with winds reaching 47.3 km/h.

Q: What is the warmest month in Cachoeira do Sul?

The warmest month in Cachoeira do Sul is January (24.9 °C on average); the coldest is July (13.6 °C).

Q: How much does it rain in Cachoeira do Sul?

Cachoeira do Sul receives on average 1,545 mm of precipitation per year, spread over about 127 rainy days.

Q: Is it sunny in Cachoeira do Sul?

Cachoeira do Sul gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Cachoeira do Sul (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 1,545 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 (24.9 °C on average) and the coldest is July (13.6 °C). Rainfall peaks in September.

Cachoeira do Sul averages 0 frost days, 66 hot days (≥ 30 °C) and 127 rainy days per year.

Cachoeira do Sul has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.1 °C (on 16 November 1985) and the coldest -2.8 °C (on 14 June 1967).

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

Cachoeira do SulRio Grande do Sul

coords: -30.04°, -52.89°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthSeptemberDriest monthMarch

Mean daily temperature

19.4°C

Average daily high

24.5°C

Average daily low

14.9°C

Annual rainfall

1,545mm

Sunshine / day

8.8h

Mean relative humidity

77%

Average peak wind

16.3km/h

Seasonal range

11.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

66 d/yr

Rainy days (≥ 1 mm)

127 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.9 °C

Average feels-like low

14.7 °C

Average peak gust

32.0 km/h

Tropical nights (≥ 20 °C)

63 d/yr

Solar radiation

16.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.24 · 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

42.1 °C

16 November 1985

Coldest day

-2.8 °C

14 June 1967

Wettest day

126 mm

27 May 2015

Windiest day

47.3 km/h

2 July 1983

Strongest gust

99.0 km/h

5 June 1992

Hottest feels-like

46.0 °C

3 March 2025

Coldest feels-like

-6.5 °C

14 June 1967

Sunniest day

13.6 h

24 December 1949

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.3 °C4 February 2025	0.4 °C1 July 2025	19.7 °C	1,668 mm	104	0
2024	36.8 °C17 November 2024	1.5 °C9 July 2024	19.9 °C	1,703 mm	61	0
2023	38.2 °C13 February 2023	2.1 °C18 July 2023	20.4 °C	1,865 mm	96	0
2022	39.7 °C16 January 2022	1.5 °C19 June 2022	19.3 °C	1,117 mm	90	0
2021	38.6 °C11 January 2021	1.2 °C30 July 2021	19.6 °C	1,080 mm	91	0
2020	39.1 °C11 December 2020	0.8 °C21 August 2020	19.9 °C	1,047 mm	107	0
2019	39.4 °C2 January 2019	-0.4 °C7 July 2019	20.4 °C	1,475 mm	88	1
2018	37.9 °C11 December 2018	1.0 °C17 June 2018	20.0 °C	1,404 mm	95	0
2017	38.0 °C16 December 2017	0.9 °C19 July 2017	20.6 °C	1,663 mm	86	0
2016	36.8 °C24 January 2016	0.4 °C13 June 2016	19.3 °C	1,357 mm	84	0
2015	35.3 °C13 January 2015	2.5 °C16 June 2015	20.0 °C	1,943 mm	59	0
2014	39.5 °C7 February 2014	0.8 °C20 June 2014	19.9 °C	1,953 mm	71	0
2013	38.5 °C26 December 2013	-0.8 °C25 July 2013	19.2 °C	1,362 mm	71	1
2012	38.3 °C25 December 2012	-1.7 °C9 June 2012	20.5 °C	1,157 mm	112	3
2011	39.7 °C20 December 2011	-0.4 °C5 July 2011	19.6 °C	1,460 mm	100	3
2010	37.9 °C3 February 2010	0.5 °C15 July 2010	19.4 °C	1,567 mm	77	0
2009	37.0 °C2 November 2009	-0.7 °C26 July 2009	19.2 °C	1,572 mm	74	2
2008	38.1 °C10 January 2008	0.1 °C17 June 2008	19.4 °C	1,460 mm	87	0
2007	38.0 °C30 March 2007	-1.8 °C12 July 2007	19.6 °C	1,672 mm	102	2
2006	39.1 °C16 March 2006	0.6 °C1 August 2006	20.0 °C	1,326 mm	102	0
2005	38.4 °C7 March 2005	2.0 °C20 July 2005	20.1 °C	1,336 mm	110	0
2004	36.5 °C15 December 2004	0.0 °C14 June 2004	19.6 °C	1,151 mm	98	0
2003	36.5 °C11 November 2003	0.2 °C12 July 2003	19.4 °C	1,651 mm	64	0
2002	36.6 °C10 March 2002	0.8 °C25 June 2002	19.7 °C	2,129 mm	77	0
2001	36.1 °C20 December 2001	0.6 °C28 July 2001	20.0 °C	1,710 mm	72	0
2000	36.9 °C12 February 2000	-1.3 °C14 July 2000	19.0 °C	1,726 mm	66	2
1999	37.6 °C27 December 1999	1.7 °C6 June 1999	18.9 °C	1,557 mm	77	0
1998	35.3 °C21 January 1998	1.8 °C26 June 1998	18.8 °C	2,458 mm	40	0
1997	37.6 °C7 January 1997	-0.8 °C28 June 1997	19.6 °C	2,135 mm	77	1
1996	37.4 °C4 January 1996	-2.3 °C30 June 1996	18.9 °C	1,650 mm	61	2
1995	40.6 °C18 December 1995	-2.3 °C5 August 1995	19.4 °C	1,543 mm	82	1
1994	38.0 °C12 December 1994	0.1 °C11 July 1994	19.5 °C	1,780 mm	62	0
1993	35.7 °C3 December 1993	-0.1 °C16 July 1993	19.0 °C	1,674 mm	64	1
1992	35.8 °C20 February 1992	0.0 °C2 August 1992	18.8 °C	1,765 mm	61	0
1991	37.7 °C23 November 1991	-2.5 °C14 July 1991	19.6 °C	1,304 mm	85	4
1990	36.2 °C14 January 1990	0.2 °C29 August 1990	18.9 °C	1,864 mm	57	0
1989	35.9 °C4 January 1989	0.3 °C6 July 1989	19.0 °C	1,370 mm	76	0
1988	38.4 °C12 January 1988	-1.1 °C1 June 1988	19.0 °C	1,382 mm	100	1
1987	38.7 °C1 December 1987	0.8 °C24 June 1987	19.3 °C	2,069 mm	75	0
1986	40.8 °C16 January 1986	2.4 °C14 May 1986	20.1 °C	1,760 mm	75	0
1985	42.1 °C16 November 1985	1.1 °C11 July 1985	20.2 °C	1,667 mm	95	0
1984	37.8 °C7 January 1984	0.4 °C29 July 1984	19.5 °C	2,116 mm	76	0
1983	36.4 °C29 December 1983	0.8 °C7 June 1983	19.1 °C	1,935 mm	69	0
1982	37.1 °C27 January 1982	3.7 °C16 June 1982	19.9 °C	1,765 mm	80	0
1981	35.0 °C27 February 1981	1.2 °C19 June 1981	19.8 °C	1,272 mm	78	0
1980	37.6 °C15 February 1980	-0.3 °C31 July 1980	19.7 °C	1,479 mm	88	1
1979	40.3 °C5 February 1979	1.2 °C18 July 1979	18.9 °C	1,463 mm	75	0
1978	36.8 °C29 December 1978	2.1 °C5 June 1978	19.5 °C	1,178 mm	70	0
1977	35.0 °C30 October 1977	3.2 °C17 July 1977	20.1 °C	1,929 mm	90	0
1976	36.3 °C2 January 1976	0.2 °C10 July 1976	18.7 °C	1,436 mm	56	0
1975	37.2 °C15 November 1975	-0.3 °C18 July 1975	19.1 °C	1,516 mm	55	1
1974	36.0 °C4 November 1974	0.9 °C13 June 1974	19.1 °C	1,354 mm	56	0
1973	36.1 °C23 November 1973	1.9 °C7 September 1973	19.2 °C	2,082 mm	51	0
1972	37.0 °C28 December 1972	0.3 °C14 July 1972	19.3 °C	2,312 mm	44	0
1971	36.7 °C19 December 1971	-0.8 °C17 June 1971	18.9 °C	1,399 mm	65	1
1970	38.0 °C1 March 1970	0.5 °C30 June 1970	19.4 °C	1,725 mm	73	0
1969	35.2 °C21 December 1969	0.1 °C19 June 1969	18.9 °C	1,430 mm	48	0
1968	39.8 °C12 December 1968	1.7 °C26 June 1968	19.2 °C	1,381 mm	86	0
1967	36.4 °C18 December 1967	-2.8 °C14 June 1967	19.1 °C	1,586 mm	42	1
1966	33.9 °C14 December 1966	-0.1 °C1 July 1966	18.2 °C	1,783 mm	21	1
1965	37.9 °C1 February 1965	0.3 °C7 July 1965	19.0 °C	1,575 mm	74	0
1964	35.8 °C26 January 1964	1.5 °C26 June 1964	18.3 °C	1,077 mm	52	0
1963	38.1 °C3 January 1963	1.4 °C23 July 1963	19.2 °C	1,650 mm	51	0
1962	37.0 °C25 December 1962	1.6 °C20 July 1962	18.5 °C	795 mm	70	0
1961	35.5 °C20 January 1961	-0.5 °C17 June 1961	19.4 °C	1,671 mm	56	1
1960	35.4 °C22 January 1960	1.2 °C28 June 1960	18.8 °C	1,355 mm	69	0
1959	32.6 °C13 April 1959	1.7 °C10 June 1959	18.8 °C	1,807 mm	38	0
1958	35.8 °C7 January 1958	2.2 °C19 June 1958	18.9 °C	1,490 mm	34	0
1957	35.6 °C25 December 1957	1.3 °C3 August 1957	19.0 °C	1,448 mm	29	0
1956	33.0 °C5 February 1956	2.2 °C15 May 1956	18.0 °C	1,317 mm	18	0
1955	35.1 °C29 November 1955	-0.2 °C8 July 1955	18.4 °C	1,350 mm	45	2
1954	32.9 °C1 December 1954	3.5 °C6 July 1954	18.9 °C	1,782 mm	34	0
1953	37.2 °C5 January 1953	2.0 °C31 July 1953	19.5 °C	1,434 mm	47	0
1952	37.0 °C27 December 1952	4.5 °C24 July 1952	19.0 °C	1,190 mm	47	0
1951	33.5 °C4 February 1951	1.4 °C6 July 1951	18.9 °C	1,286 mm	25	0
1950	34.2 °C29 January 1950	0.5 °C11 July 1950	18.8 °C	1,380 mm	39	0
1949	36.6 °C22 December 1949	0.7 °C16 August 1949	18.7 °C	1,230 mm	31	0
1948	31.9 °C12 December 1948	1.4 °C8 August 1948	18.9 °C	1,914 mm	12	0
1947	32.7 °C22 January 1947	0.2 °C11 July 1947	18.8 °C	1,372 mm	15	0
1946	35.1 °C23 January 1946	1.3 °C19 July 1946	19.0 °C	1,584 mm	32	0
1945	37.5 °C15 January 1945	0.9 °C24 June 1945	19.8 °C	1,157 mm	50	0
1944	34.6 °C13 February 1944	2.1 °C27 June 1944	20.4 °C	1,329 mm	64	0
1943	39.0 °C2 January 1943	1.7 °C29 August 1943	20.0 °C	1,019 mm	64	0
1942	38.4 °C26 November 1942	-1.0 °C18 June 1942	19.2 °C	876 mm	66	1
1941	33.1 °C25 November 1941	0.6 °C19 July 1941	19.1 °C	1,505 mm	23	0
1940	35.0 °C22 March 1940	2.8 °C10 August 1940	19.3 °C	1,614 mm	56	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

25.2 °C

+0.7 °C

Hot days (≥ 30 °C)

104 d/yr

+38

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1668 mm

+123 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.7 °C	+2.3 °C	38 mm	-102 mm
Feb	34.0 °C	+4.2 °C	117 mm	+1 mm
Mar	31.4 °C	+3.1 °C	59 mm	-49 mm
Apr	24.4 °C	-0.5 °C	99 mm	-18 mm
May	22.3 °C	+1.0 °C	226 mm	+101 mm
Jun	15.8 °C	-2.9 °C	216 mm	+80 mm
Jul	17.2 °C	-1.4 °C	71 mm	-55 mm
Aug	19.7 °C	-0.5 °C	134 mm	+9 mm
Sep	21.9 °C	+0.2 °C	290 mm	+130 mm
Oct	25.1 °C	+0.9 °C	102 mm	-56 mm
Nov	28.3 °C	+1.4 °C	85 mm	-34 mm
Dec	30.5 °C	+1.1 °C	231 mm	+117 mm

The year's extremes

Hottest day

40.3 °C

4 Feb 2025

Coldest day

0.4 °C

1 Jul 2025

Wettest day

91.6 mm

9 May 2025

Windiest day

34.1 km/h

23 Jun 2025

Strongest gust

61.9 km/h

23 Jun 2025

Hottest feels-like

46.0 °C

3 Mar 2025

Coldest feels-like

-3.3 °C

1 Jul 2025

Sunniest day

13.5 h

18 Dec 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 Cachoeira do Sul?

Cachoeira do Sul has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,545 mm of precipitation per year.

What is the hottest day ever recorded in Cachoeira do Sul?

The hottest day measured in Cachoeira do Sul between 1940 and 2025 was 16 November 1985, reaching 42.1 °C.

What is the coldest day in Cachoeira do Sul?

The coldest day measured in Cachoeira do Sul between 1940 and 2025 was 14 June 1967, at -2.8 °C.

Does it snow in Cachoeira do Sul?

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

Has the climate of Cachoeira do Sul warmed?

Yes: Cachoeira do Sul warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cachoeira do Sul?

The wettest day measured in Cachoeira do Sul between 1940 and 2025 was 27 May 2015, with 126 mm of rain in 24 hours.

What was the windiest day in Cachoeira do Sul?

The windiest day measured in Cachoeira do Sul between 1940 and 2025 was 2 July 1983, with winds reaching 47.3 km/h.

What is the warmest month in Cachoeira do Sul?

The warmest month in Cachoeira do Sul is January (24.9 °C on average); the coldest is July (13.6 °C).

How much does it rain in Cachoeira do Sul?

Cachoeira do Sul receives on average 1,545 mm of precipitation per year, spread over about 127 rainy days.

Is it sunny in Cachoeira do Sul?

Cachoeira do Sul gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Are there tropical nights in Cachoeira do Sul?

Yes: Cachoeira do Sul has on average 63 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cachoeira do Sul?

In Cachoeira do Sul, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 3 March 2025, and the lowest was -6.5 °C on 14 June 1967.

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