Santo Ângelo climate — normals and trends

Q: What is the climate of Santo Ângelo?

Santo Ângelo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 1,877 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santo Ângelo?

The hottest day measured in Santo Ângelo between 1940 and 2025 was 16 November 1985, reaching 40.0 °C.

Q: What is the coldest day in Santo Ângelo?

The coldest day measured in Santo Ângelo between 1940 and 2025 was 25 July 2009, at -3.7 °C.

Q: Does it snow in Santo Ângelo?

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

Q: Has the climate of Santo Ângelo warmed?

Yes: Santo Ângelo warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Santo Ângelo?

The wettest day measured in Santo Ângelo between 1940 and 2025 was 30 June 1986, with 167 mm of rain in 24 hours.

Q: What was the windiest day in Santo Ângelo?

The windiest day measured in Santo Ângelo between 1940 and 2025 was 29 April 1992, with winds reaching 53.8 km/h.

Q: What is the warmest month in Santo Ângelo?

The warmest month in Santo Ângelo is January (24.9 °C on average); the coldest is July (14.7 °C).

Q: How much does it rain in Santo Ângelo?

Santo Ângelo receives on average 1,877 mm of precipitation per year, spread over about 136 rainy days.

Q: Is it sunny in Santo Ângelo?

Santo Ângelo gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Santo Ângelo (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.0 °C and it receives 1,877 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 (14.7 °C). Rainfall peaks in October.

Santo Ângelo averages 1 frost days, 75 hot days (≥ 30 °C) and 136 rainy days per year.

Santo Ângelo has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The number of frost days there went from about 0 to 2 per year over the period.

The hottest day of the period reached 40.0 °C (on 16 November 1985) and the coldest -3.7 °C (on 25 July 2009).

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 ÂngeloRio Grande do Sul

coords: -28.30°, -54.26°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

20.0°C

Average daily high

25.3°C

Average daily low

15.4°C

Annual rainfall

1,877mm

Sunshine / day

9.1h

Mean relative humidity

75%

Average peak wind

17.1km/h

Seasonal range

10.2°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

75 d/yr

Rainy days (≥ 1 mm)

136 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.8 °C

Average feels-like low

15.0 °C

Average peak gust

33.9 km/h

Tropical nights (≥ 20 °C)

73 d/yr

Solar radiation

17.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.28 · 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

40.0 °C

16 November 1985

Coldest day

-3.7 °C

25 July 2009

Wettest day

167 mm

30 June 1986

Windiest day

53.8 km/h

29 April 1992

Strongest gust

110.2 km/h

5 June 1992

Hottest feels-like

44.4 °C

24 January 2022

Coldest feels-like

-7.3 °C

18 July 1975

Snowiest day

1.3 cm

20 August 1965

Sunniest day

13.6 h

6 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.2 °C7 December 2025	-1.2 °C1 July 2025	20.3 °C	1,703 mm	106	1
2024	36.9 °C12 February 2024	1.1 °C30 June 2024	21.0 °C	2,174 mm	101	0
2023	36.9 °C1 January 2023	3.3 °C13 August 2023	21.1 °C	2,162 mm	108	0
2022	38.6 °C16 January 2022	0.8 °C11 June 2022	20.0 °C	1,424 mm	102	0
2021	36.7 °C22 November 2021	-0.4 °C29 July 2021	20.2 °C	1,289 mm	93	1
2020	38.4 °C11 December 2020	-1.0 °C21 August 2020	20.7 °C	1,247 mm	118	1
2019	38.6 °C1 October 2019	-1.3 °C7 July 2019	20.9 °C	1,829 mm	98	2
2018	36.9 °C11 December 2018	0.6 °C17 June 2018	20.4 °C	1,583 mm	94	0
2017	36.3 °C16 December 2017	-0.5 °C18 July 2017	21.0 °C	2,225 mm	92	1
2016	36.6 °C24 January 2016	-0.4 °C12 June 2016	20.0 °C	1,781 mm	89	1
2015	35.4 °C13 January 2015	2.7 °C12 September 2015	20.7 °C	2,443 mm	75	0
2014	37.4 °C7 February 2014	1.1 °C14 August 2014	20.6 °C	2,413 mm	94	0
2013	37.4 °C25 December 2013	0.2 °C25 July 2013	19.8 °C	1,619 mm	86	0
2012	37.5 °C7 March 2012	-0.6 °C8 June 2012	21.3 °C	1,301 mm	129	2
2011	38.6 °C20 December 2011	-1.1 °C5 July 2011	20.3 °C	1,794 mm	102	4
2010	37.2 °C5 February 2010	-0.5 °C14 July 2010	19.9 °C	1,692 mm	88	2
2009	37.2 °C2 November 2009	-3.7 °C25 July 2009	20.1 °C	1,809 mm	116	3
2008	38.4 °C8 December 2008	-0.4 °C16 June 2008	19.9 °C	1,653 mm	93	2
2007	36.5 °C4 December 2007	0.2 °C30 May 2007	20.1 °C	2,077 mm	119	0
2006	38.5 °C10 January 2006	-0.2 °C31 July 2006	20.5 °C	1,659 mm	103	2
2005	37.3 °C22 December 2005	1.1 °C20 July 2005	20.7 °C	1,584 mm	120	0
2004	36.2 °C2 March 2004	-1.2 °C11 July 2004	20.2 °C	1,329 mm	106	2
2003	37.7 °C11 November 2003	-0.7 °C12 July 2003	20.2 °C	1,888 mm	91	1
2002	37.1 °C10 March 2002	-0.1 °C2 September 2002	20.4 °C	2,576 mm	89	1
2001	36.0 °C20 December 2001	-0.1 °C22 June 2001	20.5 °C	2,011 mm	86	1
2000	34.8 °C8 January 2000	-2.8 °C20 July 2000	19.6 °C	2,331 mm	81	5
1999	36.3 °C24 January 1999	-0.6 °C15 August 1999	19.8 °C	1,693 mm	101	1
1998	37.1 °C8 December 1998	1.7 °C25 June 1998	19.8 °C	2,764 mm	71	0
1997	35.2 °C7 January 1997	-0.7 °C30 June 1997	20.5 °C	2,320 mm	87	2
1996	37.7 °C11 January 1996	-1.9 °C29 June 1996	19.6 °C	2,058 mm	76	2
1995	39.5 °C17 December 1995	-1.6 °C5 August 1995	20.2 °C	1,850 mm	93	1
1994	38.6 °C12 December 1994	0.1 °C26 June 1994	20.3 °C	2,344 mm	83	0
1993	34.6 °C3 December 1993	-1.9 °C15 July 1993	19.6 °C	1,959 mm	81	1
1992	34.8 °C14 November 1992	-1.0 °C23 July 1992	19.4 °C	1,971 mm	69	2
1991	36.4 °C9 January 1991	-2.7 °C2 August 1991	20.3 °C	1,634 mm	99	4
1990	36.3 °C15 November 1990	-0.6 °C21 July 1990	19.4 °C	2,294 mm	68	1
1989	37.6 °C6 December 1989	-1.3 °C6 July 1989	19.5 °C	1,763 mm	81	1
1988	38.1 °C12 January 1988	-1.0 °C8 July 1988	19.7 °C	1,383 mm	96	3
1987	36.1 °C1 December 1987	-1.4 °C17 June 1987	19.7 °C	2,678 mm	77	2
1986	39.3 °C16 January 1986	2.4 °C5 September 1986	20.7 °C	2,282 mm	95	0
1985	40.0 °C16 November 1985	-0.4 °C11 July 1985	20.8 °C	1,839 mm	109	1
1984	36.2 °C28 October 1984	-1.1 °C26 August 1984	20.0 °C	2,376 mm	79	1
1983	35.0 °C9 December 1983	0.8 °C9 September 1983	19.5 °C	2,463 mm	80	0
1982	36.3 °C27 January 1982	2.5 °C29 June 1982	20.3 °C	1,933 mm	75	0
1981	34.3 °C2 January 1981	-2.4 °C19 June 1981	20.3 °C	1,557 mm	95	1
1980	34.9 °C22 January 1980	-1.9 °C31 July 1980	20.0 °C	1,853 mm	89	4
1979	37.8 °C10 February 1979	1.0 °C17 July 1979	19.5 °C	1,982 mm	79	0
1978	37.1 °C18 March 1978	0.4 °C31 August 1978	20.3 °C	1,361 mm	100	0
1977	35.9 °C23 October 1977	0.7 °C17 July 1977	20.8 °C	1,971 mm	106	0
1976	36.7 °C14 December 1976	-0.7 °C10 July 1976	19.0 °C	1,483 mm	63	2
1975	36.1 °C15 November 1975	-3.2 °C18 July 1975	19.4 °C	1,930 mm	57	1
1974	35.8 °C3 January 1974	-0.7 °C13 June 1974	19.5 °C	1,693 mm	77	1
1973	35.7 °C12 January 1973	0.8 °C7 September 1973	19.7 °C	2,388 mm	76	0
1972	37.7 °C8 February 1972	-0.8 °C1 September 1972	19.8 °C	2,633 mm	64	1
1971	37.9 °C20 December 1971	-0.9 °C17 June 1971	19.4 °C	1,844 mm	78	1
1970	36.3 °C8 December 1970	0.4 °C2 July 1970	20.0 °C	1,682 mm	80	0
1969	35.5 °C21 December 1969	1.6 °C3 June 1969	19.5 °C	2,112 mm	65	0
1968	36.9 °C14 December 1968	1.9 °C21 June 1968	19.8 °C	1,307 mm	100	0
1967	35.1 °C10 November 1967	-2.9 °C14 June 1967	19.8 °C	2,239 mm	58	2
1966	34.3 °C11 December 1966	-0.5 °C6 August 1966	19.2 °C	2,038 mm	43	1
1965	35.0 °C22 January 1965	0.2 °C7 July 1965	19.4 °C	1,774 mm	71	0
1964	35.1 °C25 January 1964	-0.2 °C29 June 1964	19.0 °C	1,220 mm	78	1
1963	37.4 °C2 January 1963	0.4 °C6 August 1963	20.1 °C	1,881 mm	72	0
1962	37.9 °C25 December 1962	-0.3 °C30 May 1962	18.7 °C	1,117 mm	63	1
1961	34.3 °C31 January 1961	-1.6 °C16 June 1961	20.1 °C	1,859 mm	70	2
1960	36.0 °C9 December 1960	-0.8 °C25 June 1960	19.5 °C	1,608 mm	76	1
1959	33.3 °C21 January 1959	3.2 °C10 June 1959	19.7 °C	2,335 mm	37	0
1958	35.6 °C7 January 1958	2.7 °C30 August 1958	19.6 °C	1,819 mm	48	0
1957	33.9 °C17 October 1957	0.9 °C22 July 1957	19.5 °C	1,756 mm	36	0
1956	31.7 °C5 February 1956	0.9 °C16 May 1956	18.5 °C	1,631 mm	10	0
1955	33.4 °C29 November 1955	-1.7 °C8 July 1955	19.0 °C	1,914 mm	28	2
1954	33.8 °C10 December 1954	3.0 °C8 August 1954	19.5 °C	2,151 mm	32	0
1953	33.7 °C5 January 1953	2.8 °C20 July 1953	20.3 °C	2,145 mm	36	0
1952	35.9 °C27 December 1952	3.8 °C17 June 1952	19.6 °C	1,567 mm	40	0
1951	31.6 °C25 September 1951	3.3 °C6 July 1951	19.6 °C	1,861 mm	18	0
1950	31.4 °C10 November 1950	0.6 °C11 July 1950	19.3 °C	1,870 mm	18	0
1949	33.8 °C22 December 1949	2.3 °C19 July 1949	19.3 °C	1,651 mm	28	0
1948	31.8 °C25 September 1948	1.6 °C8 August 1948	19.5 °C	2,633 mm	12	0
1947	32.7 °C29 November 1947	0.3 °C10 July 1947	19.4 °C	1,833 mm	14	0
1946	31.9 °C14 February 1946	0.9 °C19 July 1946	19.3 °C	2,221 mm	19	0
1945	34.8 °C15 January 1945	0.6 °C9 July 1945	20.2 °C	1,414 mm	39	0
1944	34.0 °C26 March 1944	0.1 °C27 June 1944	21.1 °C	1,443 mm	72	0
1943	38.2 °C17 January 1943	3.0 °C28 August 1943	20.6 °C	767 mm	85	0
1942	39.7 °C26 November 1942	-1.1 °C5 July 1942	19.7 °C	1,310 mm	73	2
1941	32.0 °C25 November 1941	0.9 °C26 June 1941	19.8 °C	2,319 mm	25	0
1940	33.1 °C14 January 1940	2.8 °C9 August 1940	19.7 °C	2,077 mm	43	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

25.8 °C

+0.5 °C

Hot days (≥ 30 °C)

106 d/yr

+31

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1704 mm

-174 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.3 °C	+2.2 °C	49 mm	-133 mm
Feb	33.0 °C	+3.6 °C	99 mm	-53 mm
Mar	31.4 °C	+2.9 °C	47 mm	-91 mm
Apr	25.0 °C	-0.5 °C	92 mm	-61 mm
May	23.2 °C	+1.1 °C	176 mm	+27 mm
Jun	16.9 °C	-3.0 °C	246 mm	+89 mm
Jul	19.9 °C	+0.1 °C	67 mm	-63 mm
Aug	20.8 °C	-0.7 °C	150 mm	+24 mm
Sep	23.2 °C	0.0 °C	220 mm	+48 mm
Oct	25.4 °C	-0.3 °C	224 mm	+13 mm
Nov	29.0 °C	+1.0 °C	90 mm	-64 mm
Dec	30.2 °C	+0.3 °C	244 mm	+89 mm

The year's extremes

Hottest day

38.2 °C

7 Dec 2025

Coldest day

-1.2 °C

1 Jul 2025

Wettest day

49.8 mm

21 Sep 2025

Windiest day

32.2 km/h

28 Oct 2025

Strongest gust

81.0 km/h

21 Sep 2025

Hottest feels-like

41.8 °C

2 Mar 2025

Coldest feels-like

-4.5 °C

1 Jul 2025

Sunniest day

13.6 h

4 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 Ângelo?

Santo Ângelo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 1,877 mm of precipitation per year.

What is the hottest day ever recorded in Santo Ângelo?

The hottest day measured in Santo Ângelo between 1940 and 2025 was 16 November 1985, reaching 40.0 °C.

What is the coldest day in Santo Ângelo?

The coldest day measured in Santo Ângelo between 1940 and 2025 was 25 July 2009, at -3.7 °C.

Does it snow in Santo Ângelo?

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

Has the climate of Santo Ângelo warmed?

Yes: Santo Ângelo warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Santo Ângelo?

The wettest day measured in Santo Ângelo between 1940 and 2025 was 30 June 1986, with 167 mm of rain in 24 hours.

What was the windiest day in Santo Ângelo?

The windiest day measured in Santo Ângelo between 1940 and 2025 was 29 April 1992, with winds reaching 53.8 km/h.

What is the warmest month in Santo Ângelo?

The warmest month in Santo Ângelo is January (24.9 °C on average); the coldest is July (14.7 °C).

How much does it rain in Santo Ângelo?

Santo Ângelo receives on average 1,877 mm of precipitation per year, spread over about 136 rainy days.

Is it sunny in Santo Ângelo?

Santo Ângelo gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

What is the biggest single-day snowfall in Santo Ângelo?

The heaviest 24-hour snowfall measured in Santo Ângelo between 1940 and 2025 was 20 August 1965, with 1.3 cm.

Are there tropical nights in Santo Ângelo?

Yes: Santo Ângelo has on average 73 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santo Ângelo?

In Santo Ângelo, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 24 January 2022, and the lowest was -7.3 °C on 18 July 1975.

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