Venâncio Aires climate — normals and trends

Q: What is the climate of Venâncio Aires?

Venâncio Aires has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,890 mm of precipitation per year.

Q: What is the hottest day ever recorded in Venâncio Aires?

The hottest day measured in Venâncio Aires between 1940 and 2025 was 16 November 1985, reaching 39.3 °C.

Q: What is the coldest day in Venâncio Aires?

The coldest day measured in Venâncio Aires between 1940 and 2025 was 14 July 1991, at -4.3 °C.

Q: Does it snow in Venâncio Aires?

Almost never: Venâncio Aires sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Venâncio Aires warmed?

Yes: Venâncio Aires warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Venâncio Aires?

The wettest day measured in Venâncio Aires between 1940 and 2025 was 10 November 1977, with 152 mm of rain in 24 hours.

Q: What was the windiest day in Venâncio Aires?

The windiest day measured in Venâncio Aires between 1940 and 2025 was 2 July 1983, with winds reaching 42.8 km/h.

Q: What is the warmest month in Venâncio Aires?

The warmest month in Venâncio Aires is January (23.4 °C on average); the coldest is July (13.4 °C).

Q: How much does it rain in Venâncio Aires?

Venâncio Aires receives on average 1,890 mm of precipitation per year, spread over about 158 rainy days.

Q: Is it sunny in Venâncio Aires?

Venâncio Aires gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

Venâncio Aires (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.5 °C and it receives 1,890 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 (23.4 °C on average) and the coldest is July (13.4 °C). Rainfall peaks in January.

Venâncio Aires averages 1 frost days, 43 hot days (≥ 30 °C) and 158 rainy days per year.

Venâncio Aires 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 39.3 °C (on 16 November 1985) and the coldest -4.3 °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

Venâncio AiresRio Grande do Sul

coords: -29.61°, -52.19°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthMay

Mean daily temperature

18.5°C

Average daily high

23.7°C

Average daily low

14.0°C

Annual rainfall

1,890mm

Sunshine / day

8.7h

Mean relative humidity

82%

Average peak wind

12.7km/h

Seasonal range

10.0°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

43 d/yr

Rainy days (≥ 1 mm)

158 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.6 °C

Average feels-like low

14.0 °C

Average peak gust

30.8 km/h

Tropical nights (≥ 20 °C)

38 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

39.3 °C

16 November 1985

Coldest day

-4.3 °C

14 July 1991

Wettest day

152 mm

10 November 1977

Windiest day

42.8 km/h

2 July 1983

Strongest gust

105.5 km/h

2 July 1983

Hottest feels-like

45.5 °C

7 February 2010

Coldest feels-like

-7.6 °C

14 July 1991

Sunniest day

13.6 h

3 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.8 °C4 February 2025	-1.0 °C1 July 2025	18.7 °C	1,929 mm	64	1
2024	36.0 °C12 February 2024	1.0 °C30 June 2024	19.2 °C	2,250 mm	48	0
2023	37.8 °C13 February 2023	2.2 °C13 June 2023	19.4 °C	2,230 mm	75	0
2022	37.4 °C22 January 2022	1.0 °C19 June 2022	18.3 °C	1,638 mm	67	0
2021	37.8 °C11 January 2021	-0.4 °C30 July 2021	18.6 °C	1,297 mm	51	1
2020	37.5 °C14 March 2020	-0.5 °C21 August 2020	18.9 °C	1,283 mm	65	2
2019	37.5 °C27 December 2019	-2.0 °C7 July 2019	19.5 °C	1,808 mm	69	1
2018	37.1 °C11 December 2018	-0.3 °C17 June 2018	19.0 °C	1,659 mm	52	1
2017	35.8 °C16 December 2017	-0.3 °C19 July 2017	19.7 °C	2,092 mm	62	1
2016	36.0 °C24 January 2016	-0.9 °C13 June 2016	18.6 °C	1,598 mm	66	1
2015	34.2 °C6 January 2015	1.8 °C12 September 2015	19.2 °C	2,483 mm	46	0
2014	37.6 °C7 February 2014	-0.9 °C14 August 2014	19.2 °C	2,356 mm	62	2
2013	37.3 °C26 December 2013	-0.3 °C25 July 2013	18.4 °C	1,782 mm	50	1
2012	36.8 °C25 December 2012	-3.3 °C9 June 2012	19.3 °C	1,486 mm	79	3
2011	36.2 °C22 December 2011	-2.0 °C5 July 2011	18.4 °C	2,116 mm	54	5
2010	36.9 °C3 February 2010	-1.0 °C15 July 2010	18.4 °C	1,854 mm	50	2
2009	36.4 °C2 November 2009	-3.4 °C26 July 2009	18.2 °C	1,998 mm	53	4
2008	35.4 °C10 January 2008	-0.6 °C17 June 2008	18.1 °C	1,753 mm	44	1
2007	36.0 °C30 March 2007	-1.2 °C29 July 2007	18.7 °C	2,130 mm	76	2
2006	36.4 °C8 January 2006	-1.3 °C22 August 2006	18.8 °C	1,655 mm	60	2
2005	37.2 °C8 March 2005	-0.5 °C20 July 2005	19.1 °C	1,580 mm	83	1
2004	35.4 °C6 September 2004	-1.4 °C12 July 2004	18.4 °C	1,459 mm	40	4
2003	35.7 °C4 February 2003	0.8 °C13 July 2003	18.7 °C	2,044 mm	45	0
2002	35.4 °C10 March 2002	1.2 °C26 June 2002	19.0 °C	2,553 mm	49	0
2001	34.7 °C7 February 2001	-0.4 °C28 July 2001	19.2 °C	2,049 mm	53	2
2000	35.3 °C12 February 2000	-2.7 °C14 July 2000	18.1 °C	2,088 mm	50	4
1999	36.6 °C26 December 1999	1.9 °C9 August 1999	18.0 °C	1,757 mm	46	0
1998	34.2 °C21 January 1998	2.3 °C26 June 1998	18.1 °C	2,689 mm	37	0
1997	35.1 °C7 January 1997	-1.7 °C28 June 1997	18.7 °C	2,478 mm	46	3
1996	34.8 °C11 January 1996	-3.0 °C30 June 1996	18.1 °C	2,121 mm	40	2
1995	38.1 °C18 December 1995	-2.5 °C5 August 1995	18.5 °C	1,750 mm	56	1
1994	36.9 °C12 December 1994	-1.6 °C11 July 1994	18.8 °C	2,181 mm	48	2
1993	34.9 °C3 December 1993	-0.7 °C16 July 1993	18.3 °C	2,029 mm	49	3
1992	35.0 °C20 February 1992	-1.8 °C3 August 1992	18.1 °C	2,079 mm	42	3
1991	35.3 °C20 January 1991	-4.3 °C14 July 1991	18.6 °C	1,795 mm	52	5
1990	35.5 °C15 November 1990	-0.1 °C29 August 1990	18.1 °C	2,232 mm	44	1
1989	33.8 °C7 February 1989	0.1 °C6 July 1989	18.1 °C	1,625 mm	53	0
1988	35.5 °C26 March 1988	-2.0 °C1 June 1988	18.0 °C	1,631 mm	57	8
1987	35.6 °C1 December 1987	-0.8 °C24 June 1987	18.4 °C	2,449 mm	47	1
1986	36.5 °C16 January 1986	1.9 °C14 May 1986	19.2 °C	2,020 mm	51	0
1985	39.3 °C16 November 1985	1.6 °C4 June 1985	19.2 °C	1,877 mm	58	0
1984	36.0 °C4 February 1984	-1.3 °C30 June 1984	18.6 °C	2,408 mm	53	1
1983	33.5 °C20 February 1983	1.0 °C7 June 1983	18.2 °C	2,240 mm	37	0
1982	34.1 °C2 February 1982	2.6 °C28 May 1982	18.8 °C	1,864 mm	42	0
1981	33.7 °C12 February 1981	0.0 °C21 June 1981	18.7 °C	1,532 mm	34	0
1980	34.1 °C9 December 1980	-1.3 °C1 August 1980	18.8 °C	1,757 mm	45	4
1979	37.1 °C6 February 1979	1.3 °C18 July 1979	17.9 °C	1,782 mm	51	0
1978	35.4 °C1 February 1978	0.3 °C6 June 1978	18.5 °C	1,492 mm	33	0
1977	34.6 °C7 March 1977	0.4 °C2 September 1977	19.4 °C	2,220 mm	62	0
1976	34.8 °C14 December 1976	-1.4 °C10 July 1976	17.8 °C	2,030 mm	41	2
1975	35.7 °C15 November 1975	-2.1 °C18 July 1975	18.2 °C	2,021 mm	34	3
1974	35.5 °C27 December 1974	-0.2 °C13 June 1974	18.3 °C	1,597 mm	46	3
1973	34.7 °C12 January 1973	0.9 °C19 July 1973	18.4 °C	2,310 mm	46	0
1972	36.2 °C28 December 1972	0.0 °C14 July 1972	18.5 °C	2,412 mm	40	0
1971	35.6 °C17 November 1971	-2.1 °C17 June 1971	18.2 °C	1,833 mm	47	2
1970	36.6 °C27 December 1970	-0.2 °C3 July 1970	18.6 °C	1,836 mm	54	1
1969	34.8 °C4 February 1969	-0.6 °C19 June 1969	18.1 °C	1,724 mm	32	1
1968	37.5 °C12 December 1968	0.7 °C3 September 1968	18.1 °C	1,637 mm	60	0
1967	35.2 °C10 November 1967	-2.6 °C14 June 1967	18.4 °C	2,006 mm	29	3
1966	33.2 °C14 December 1966	-1.5 °C1 July 1966	17.5 °C	2,086 mm	14	1
1965	35.4 °C1 February 1965	-1.8 °C12 July 1965	17.9 °C	1,882 mm	47	3
1964	34.5 °C25 January 1964	0.4 °C26 June 1964	17.4 °C	1,437 mm	38	0
1963	37.4 °C3 January 1963	-0.7 °C23 July 1963	18.3 °C	2,115 mm	36	1
1962	35.1 °C28 November 1962	0.5 °C23 June 1962	17.3 °C	1,057 mm	39	0
1961	34.0 °C20 January 1961	-1.2 °C17 June 1961	18.6 °C	1,985 mm	39	3
1960	34.0 °C22 January 1960	-0.5 °C25 June 1960	17.8 °C	1,533 mm	40	1
1959	31.9 °C8 September 1959	1.5 °C11 June 1959	18.1 °C	2,097 mm	24	0
1958	35.4 °C7 January 1958	1.3 °C26 May 1958	18.0 °C	1,822 mm	25	0
1957	34.0 °C25 December 1957	-1.6 °C3 August 1957	17.9 °C	1,979 mm	18	1
1956	33.3 °C5 February 1956	0.5 °C15 May 1956	17.2 °C	1,601 mm	7	0
1955	34.1 °C8 January 1955	-1.1 °C9 July 1955	17.6 °C	1,933 mm	24	4
1954	32.6 °C1 December 1954	1.5 °C6 July 1954	18.1 °C	2,120 mm	15	0
1953	34.2 °C21 February 1953	1.2 °C31 July 1953	18.6 °C	2,036 mm	25	0
1952	35.2 °C27 December 1952	3.6 °C13 June 1952	18.2 °C	1,516 mm	29	0
1951	32.2 °C25 September 1951	1.9 °C6 July 1951	18.1 °C	1,689 mm	15	0
1950	32.6 °C29 January 1950	-0.6 °C11 July 1950	17.8 °C	1,790 mm	19	2
1949	34.2 °C22 December 1949	-0.5 °C16 August 1949	17.8 °C	1,617 mm	12	1
1948	32.1 °C9 January 1948	-0.2 °C9 August 1948	18.1 °C	2,484 mm	9	1
1947	31.7 °C30 November 1947	-0.9 °C10 July 1947	18.0 °C	1,727 mm	13	2
1946	32.2 °C23 January 1946	-1.2 °C19 July 1946	18.0 °C	2,008 mm	13	1
1945	35.7 °C15 January 1945	-0.2 °C24 June 1945	18.7 °C	1,555 mm	21	1
1944	33.3 °C1 January 1944	0.5 °C27 June 1944	19.4 °C	1,584 mm	37	0
1943	37.9 °C2 January 1943	1.6 °C24 August 1943	18.9 °C	1,129 mm	51	0
1942	37.3 °C26 November 1942	-2.1 °C18 June 1942	18.3 °C	1,224 mm	53	3
1941	32.0 °C25 November 1941	-0.8 °C19 July 1941	18.3 °C	1,976 mm	14	1
1940	33.7 °C14 January 1940	1.8 °C10 August 1940	18.4 °C	1,992 mm	26	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

24.1 °C

+0.4 °C

Hot days (≥ 30 °C)

64 d/yr

+21

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1929 mm

+39 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.9 °C	+1.2 °C	106 mm	-94 mm
Feb	32.0 °C	+3.7 °C	139 mm	-32 mm
Mar	29.7 °C	+2.7 °C	71 mm	-81 mm
Apr	23.4 °C	-0.6 °C	118 mm	-13 mm
May	21.9 °C	+1.2 °C	177 mm	+48 mm
Jun	15.5 °C	-3.1 °C	235 mm	+93 mm
Jul	17.4 °C	-1.1 °C	76 mm	-58 mm
Aug	19.4 °C	-0.6 °C	118 mm	-22 mm
Sep	21.4 °C	+0.1 °C	273 mm	+89 mm
Oct	23.8 °C	+0.4 °C	154 mm	-39 mm
Nov	26.4 °C	+0.7 °C	116 mm	-37 mm
Dec	29.2 °C	+1.3 °C	346 mm	+184 mm

The year's extremes

Hottest day

36.8 °C

4 Feb 2025

Coldest day

-1.0 °C

1 Jul 2025

Wettest day

63.1 mm

18 Jun 2025

Windiest day

31.9 km/h

20 Aug 2025

Strongest gust

68.4 km/h

14 Jun 2025

Hottest feels-like

44.1 °C

3 Mar 2025

Coldest feels-like

-4.3 °C

1 Jul 2025

Sunniest day

13.6 h

4 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 Venâncio Aires?

Venâncio Aires has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,890 mm of precipitation per year.

What is the hottest day ever recorded in Venâncio Aires?

The hottest day measured in Venâncio Aires between 1940 and 2025 was 16 November 1985, reaching 39.3 °C.

What is the coldest day in Venâncio Aires?

The coldest day measured in Venâncio Aires between 1940 and 2025 was 14 July 1991, at -4.3 °C.

Does it snow in Venâncio Aires?

Almost never: Venâncio Aires sees virtually no snow, with about 1 frost days per year.

Has the climate of Venâncio Aires warmed?

Yes: Venâncio Aires warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Venâncio Aires?

The wettest day measured in Venâncio Aires between 1940 and 2025 was 10 November 1977, with 152 mm of rain in 24 hours.

What was the windiest day in Venâncio Aires?

The windiest day measured in Venâncio Aires between 1940 and 2025 was 2 July 1983, with winds reaching 42.8 km/h.

What is the warmest month in Venâncio Aires?

The warmest month in Venâncio Aires is January (23.4 °C on average); the coldest is July (13.4 °C).

How much does it rain in Venâncio Aires?

Venâncio Aires receives on average 1,890 mm of precipitation per year, spread over about 158 rainy days.

Is it sunny in Venâncio Aires?

Venâncio Aires gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

Are there tropical nights in Venâncio Aires?

Yes: Venâncio Aires has on average 38 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Venâncio Aires?

In Venâncio Aires, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 7 February 2010, and the lowest was -7.6 °C on 14 July 1991.

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