Santa Cruz do Sul climate — normals and trends

Q: What is the climate of Santa Cruz do Sul?

Santa Cruz do Sul has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 1,666 mm of precipitation per year.

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

The hottest day measured in Santa Cruz do Sul between 1940 and 2025 was 16 November 1985, reaching 40.4 °C.

Q: What is the coldest day in Santa Cruz do Sul?

The coldest day measured in Santa Cruz do Sul between 1940 and 2025 was 14 July 1991, at -3.6 °C.

Q: Does it snow in Santa Cruz do Sul?

Almost never: Santa Cruz do Sul sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Santa Cruz do Sul warmed?

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

Q: What is the wettest day in Santa Cruz do Sul?

The wettest day measured in Santa Cruz do Sul between 1940 and 2025 was 13 November 2023, with 126 mm of rain in 24 hours.

Q: What was the windiest day in Santa Cruz do Sul?

The windiest day measured in Santa Cruz do Sul between 1940 and 2025 was 2 July 1983, with winds reaching 41.2 km/h.

Q: What is the warmest month in Santa Cruz do Sul?

The warmest month in Santa Cruz do Sul is January (24.1 °C on average); the coldest is July (13.5 °C).

Q: How much does it rain in Santa Cruz do Sul?

Santa Cruz do Sul receives on average 1,666 mm of precipitation per year, spread over about 142 rainy days.

Q: Is it sunny in Santa Cruz do Sul?

Santa Cruz do Sul gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Santa Cruz do Sul (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.9 °C and it receives 1,666 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 (24.1 °C on average) and the coldest is July (13.5 °C). Rainfall peaks in October.

Santa Cruz do Sul averages 1 frost days, 53 hot days (≥ 30 °C) and 142 rainy days per year.

Santa Cruz do Sul has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.4 °C (on 16 November 1985) and the coldest -3.6 °C (on 14 July 1991).

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

Santa Cruz do SulRio Grande do Sul

coords: -29.72°, -52.43°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthApril

Mean daily temperature

18.9°C

Average daily high

24.0°C

Average daily low

14.4°C

Annual rainfall

1,666mm

Sunshine / day

8.5h

Mean relative humidity

80%

Average peak wind

13.7km/h

Seasonal range

10.6°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

53 d/yr

Rainy days (≥ 1 mm)

142 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.8 °C

Average feels-like low

14.4 °C

Average peak gust

31.0 km/h

Tropical nights (≥ 20 °C)

48 d/yr

Solar radiation

15.9 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

40.4 °C

16 November 1985

Coldest day

-3.6 °C

14 July 1991

Wettest day

126 mm

13 November 2023

Windiest day

41.2 km/h

2 July 1983

Strongest gust

100.1 km/h

2 July 1983

Hottest feels-like

45.5 °C

11 February 2014

Coldest feels-like

-7.1 °C

14 July 1991

Sunniest day

13.6 h

30 November 1950

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.2 °C4 February 2025	-0.3 °C1 July 2025	19.2 °C	1,725 mm	88	1
2024	36.5 °C12 February 2024	1.5 °C1 July 2024	19.5 °C	1,916 mm	56	0
2023	38.7 °C13 February 2023	1.5 °C28 August 2023	19.9 °C	2,057 mm	92	0
2022	38.5 °C16 January 2022	1.1 °C19 June 2022	18.7 °C	1,396 mm	80	0
2021	38.4 °C11 January 2021	0.6 °C30 July 2021	19.1 °C	1,129 mm	70	0
2020	38.6 °C11 December 2020	0.1 °C21 August 2020	19.3 °C	1,156 mm	88	0
2019	39.1 °C2 January 2019	-0.9 °C7 July 2019	19.9 °C	1,545 mm	80	1
2018	37.8 °C18 March 2018	-0.1 °C17 June 2018	19.5 °C	1,445 mm	76	1
2017	36.8 °C16 December 2017	0.7 °C19 July 2017	20.1 °C	1,745 mm	75	0
2016	36.1 °C24 January 2016	0.0 °C13 June 2016	18.9 °C	1,461 mm	73	0
2015	34.5 °C6 January 2015	2.3 °C12 September 2015	19.6 °C	2,087 mm	55	0
2014	38.6 °C7 February 2014	-0.1 °C14 August 2014	19.5 °C	2,113 mm	63	1
2013	38.2 °C26 December 2013	-0.5 °C25 July 2013	18.7 °C	1,578 mm	56	1
2012	37.8 °C25 December 2012	-2.0 °C8 June 2012	19.8 °C	1,292 mm	96	3
2011	37.6 °C20 December 2011	-1.5 °C5 July 2011	18.9 °C	1,754 mm	69	3
2010	37.6 °C3 February 2010	-0.2 °C15 July 2010	18.8 °C	1,718 mm	62	1
2009	36.6 °C2 November 2009	-2.6 °C26 July 2009	18.6 °C	1,764 mm	58	4
2008	36.8 °C10 January 2008	0.0 °C17 June 2008	18.6 °C	1,556 mm	65	0
2007	37.1 °C30 March 2007	-1.9 °C12 July 2007	19.1 °C	1,792 mm	87	2
2006	37.9 °C8 January 2006	-0.1 °C22 August 2006	19.3 °C	1,404 mm	81	1
2005	38.1 °C8 March 2005	0.2 °C20 July 2005	19.6 °C	1,372 mm	96	0
2004	35.7 °C6 September 2004	-1.0 °C12 July 2004	18.9 °C	1,280 mm	56	3
2003	36.2 °C4 February 2003	1.2 °C10 July 2003	19.0 °C	1,825 mm	56	0
2002	36.0 °C10 March 2002	1.7 °C26 June 2002	19.3 °C	2,295 mm	63	0
2001	35.4 °C20 December 2001	0.3 °C28 July 2001	19.6 °C	1,786 mm	59	0
2000	36.2 °C12 February 2000	-1.5 °C14 July 2000	18.5 °C	1,811 mm	58	3
1999	36.9 °C27 December 1999	2.4 °C9 August 1999	18.4 °C	1,613 mm	60	0
1998	34.9 °C21 January 1998	2.5 °C26 June 1998	18.4 °C	2,566 mm	36	0
1997	36.4 °C7 January 1997	-1.5 °C28 June 1997	19.1 °C	2,225 mm	55	3
1996	36.1 °C4 January 1996	-2.5 °C30 June 1996	18.5 °C	1,819 mm	51	1
1995	39.1 °C18 December 1995	-2.9 °C5 August 1995	18.9 °C	1,563 mm	71	2
1994	37.2 °C12 December 1994	-1.1 °C11 July 1994	19.1 °C	1,903 mm	52	1
1993	35.4 °C3 December 1993	-0.4 °C16 July 1993	18.6 °C	1,795 mm	49	2
1992	35.5 °C20 February 1992	-0.4 °C2 August 1992	18.4 °C	1,783 mm	48	2
1991	36.1 °C20 January 1991	-3.6 °C14 July 1991	19.1 °C	1,513 mm	68	4
1990	35.8 °C14 November 1990	0.1 °C29 August 1990	18.4 °C	1,948 mm	48	0
1989	34.5 °C19 February 1989	0.3 °C6 July 1989	18.4 °C	1,451 mm	66	0
1988	36.9 °C26 March 1988	-1.2 °C1 June 1988	18.4 °C	1,487 mm	74	4
1987	36.5 °C1 December 1987	-0.4 °C24 June 1987	18.7 °C	2,218 mm	52	1
1986	38.8 °C16 January 1986	1.8 °C14 May 1986	19.6 °C	1,856 mm	65	0
1985	40.4 °C16 November 1985	1.2 °C11 July 1985	19.6 °C	1,712 mm	76	0
1984	36.4 °C8 January 1984	-0.7 °C30 June 1984	19.0 °C	2,105 mm	60	1
1983	34.8 °C29 December 1983	0.5 °C7 June 1983	18.6 °C	1,995 mm	48	0
1982	35.3 °C28 January 1982	3.0 °C29 May 1982	19.3 °C	1,746 mm	55	0
1981	33.5 °C12 February 1981	1.1 °C21 June 1981	19.1 °C	1,318 mm	46	0
1980	35.6 °C15 February 1980	-1.0 °C31 July 1980	19.2 °C	1,581 mm	58	3
1979	39.0 °C6 February 1979	1.2 °C18 July 1979	18.4 °C	1,553 mm	69	0
1978	35.8 °C18 March 1978	1.8 °C31 August 1978	19.0 °C	1,180 mm	44	0
1977	34.9 °C16 February 1977	2.4 °C17 July 1977	19.7 °C	2,022 mm	75	0
1976	35.3 °C14 December 1976	-1.0 °C10 July 1976	18.2 °C	1,725 mm	48	1
1975	36.5 °C15 November 1975	-1.3 °C19 July 1975	18.7 °C	1,744 mm	44	2
1974	36.4 °C4 November 1974	-0.3 °C9 August 1974	18.7 °C	1,416 mm	52	1
1973	35.4 °C23 November 1973	1.6 °C7 September 1973	18.8 °C	2,121 mm	46	0
1972	36.6 °C28 December 1972	0.2 °C14 July 1972	18.8 °C	2,220 mm	40	0
1971	36.5 °C17 November 1971	-1.5 °C17 June 1971	18.5 °C	1,614 mm	53	1
1970	37.3 °C27 December 1970	0.7 °C3 July 1970	18.9 °C	1,774 mm	63	0
1969	34.5 °C27 October 1969	-0.8 °C19 June 1969	18.4 °C	1,460 mm	33	1
1968	39.1 °C12 December 1968	0.7 °C3 September 1968	18.6 °C	1,551 mm	67	0
1967	35.6 °C10 November 1967	-3.4 °C14 June 1967	18.7 °C	1,762 mm	34	3
1966	33.5 °C14 December 1966	-0.5 °C1 July 1966	17.9 °C	1,890 mm	17	1
1965	36.8 °C1 February 1965	-0.9 °C12 July 1965	18.4 °C	1,735 mm	55	2
1964	35.0 °C26 January 1964	1.0 °C27 June 1964	17.8 °C	1,256 mm	44	0
1963	38.7 °C3 January 1963	0.3 °C23 July 1963	18.7 °C	1,804 mm	40	0
1962	36.0 °C28 November 1962	1.1 °C20 July 1962	17.9 °C	891 mm	55	0
1961	34.7 °C20 January 1961	-0.7 °C17 June 1961	19.0 °C	1,784 mm	50	2
1960	35.3 °C22 January 1960	0.2 °C25 June 1960	18.2 °C	1,360 mm	53	0
1959	32.2 °C13 April 1959	1.7 °C11 June 1959	18.4 °C	1,834 mm	29	0
1958	35.5 °C7 January 1958	1.5 °C26 May 1958	18.4 °C	1,613 mm	30	0
1957	34.8 °C25 December 1957	-0.4 °C3 August 1957	18.4 °C	1,658 mm	22	1
1956	33.5 °C5 February 1956	1.4 °C11 May 1956	17.5 °C	1,473 mm	12	0
1955	34.2 °C8 January 1955	-0.7 °C9 July 1955	17.9 °C	1,629 mm	31	2
1954	33.1 °C11 January 1954	2.4 °C6 July 1954	18.5 °C	1,900 mm	24	0
1953	35.4 °C5 January 1953	1.3 °C31 July 1953	19.0 °C	1,713 mm	34	0
1952	36.5 °C27 December 1952	4.0 °C24 September 1952	18.6 °C	1,281 mm	34	0
1951	32.5 °C25 September 1951	1.6 °C6 July 1951	18.5 °C	1,443 mm	20	0
1950	33.7 °C29 January 1950	-0.1 °C11 July 1950	18.3 °C	1,541 mm	31	1
1949	35.6 °C22 December 1949	0.7 °C16 August 1949	18.1 °C	1,392 mm	19	0
1948	32.3 °C9 January 1948	0.2 °C9 August 1948	18.5 °C	2,253 mm	10	0
1947	32.1 °C22 January 1947	-0.4 °C10 July 1947	18.3 °C	1,489 mm	15	2
1946	33.7 °C23 January 1946	-0.8 °C19 July 1946	18.5 °C	1,725 mm	23	1
1945	37.2 °C15 January 1945	0.3 °C24 June 1945	19.2 °C	1,331 mm	30	0
1944	34.7 °C1 January 1944	1.3 °C27 June 1944	19.8 °C	1,453 mm	50	0
1943	38.2 °C2 January 1943	1.9 °C24 August 1943	19.3 °C	1,023 mm	59	0
1942	38.8 °C26 November 1942	-1.3 °C18 June 1942	18.7 °C	1,044 mm	57	2
1941	32.3 °C25 November 1941	-0.3 °C19 July 1941	18.6 °C	1,672 mm	16	1
1940	34.3 °C14 January 1940	2.3 °C10 August 1940	18.8 °C	1,766 mm	30	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

24.7 °C

+0.7 °C

Hot days (≥ 30 °C)

88 d/yr

+35

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1725 mm

+59 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.4 °C	+2.0 °C	66 mm	-95 mm
Feb	33.1 °C	+4.1 °C	94 mm	-44 mm
Mar	30.9 °C	+3.3 °C	56 mm	-67 mm
Apr	23.8 °C	-0.6 °C	112 mm	-6 mm
May	22.2 °C	+1.3 °C	185 mm	+61 mm
Jun	15.5 °C	-3.1 °C	229 mm	+90 mm
Jul	17.1 °C	-1.4 °C	79 mm	-50 mm
Aug	19.4 °C	-0.6 °C	110 mm	-19 mm
Sep	21.5 °C	+0.1 °C	295 mm	+126 mm
Oct	24.4 °C	+0.7 °C	118 mm	-52 mm
Nov	27.4 °C	+1.2 °C	93 mm	-39 mm
Dec	29.9 °C	+1.4 °C	288 mm	+154 mm

The year's extremes

Hottest day

39.2 °C

4 Feb 2025

Coldest day

-0.3 °C

1 Jul 2025

Wettest day

81.6 mm

18 Jun 2025

Windiest day

31.2 km/h

20 Aug 2025

Strongest gust

68.8 km/h

20 Aug 2025

Hottest feels-like

45.0 °C

3 Mar 2025

Coldest feels-like

-3.7 °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 Santa Cruz do Sul?

Santa Cruz do Sul has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 1,666 mm of precipitation per year.

What is the hottest day ever recorded in Santa Cruz do Sul?

The hottest day measured in Santa Cruz do Sul between 1940 and 2025 was 16 November 1985, reaching 40.4 °C.

What is the coldest day in Santa Cruz do Sul?

The coldest day measured in Santa Cruz do Sul between 1940 and 2025 was 14 July 1991, at -3.6 °C.

Does it snow in Santa Cruz do Sul?

Almost never: Santa Cruz do Sul sees virtually no snow, with about 1 frost days per year.

Has the climate of Santa Cruz do Sul warmed?

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

What is the wettest day in Santa Cruz do Sul?

The wettest day measured in Santa Cruz do Sul between 1940 and 2025 was 13 November 2023, with 126 mm of rain in 24 hours.

What was the windiest day in Santa Cruz do Sul?

The windiest day measured in Santa Cruz do Sul between 1940 and 2025 was 2 July 1983, with winds reaching 41.2 km/h.

What is the warmest month in Santa Cruz do Sul?

The warmest month in Santa Cruz do Sul is January (24.1 °C on average); the coldest is July (13.5 °C).

How much does it rain in Santa Cruz do Sul?

Santa Cruz do Sul receives on average 1,666 mm of precipitation per year, spread over about 142 rainy days.

Is it sunny in Santa Cruz do Sul?

Santa Cruz do Sul gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Are there tropical nights in Santa Cruz do Sul?

Yes: Santa Cruz do Sul has on average 48 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santa Cruz do Sul?

In Santa Cruz do Sul, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 11 February 2014, and the lowest was -7.1 °C on 14 July 1991.

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