Santa Maria climate — normals and trends

Q: What is the climate of Santa Maria?

Santa Maria has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 1,710 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santa Maria?

The hottest day measured in Santa Maria between 1940 and 2025 was 16 November 1985, reaching 41.7 °C.

Q: What is the coldest day in Santa Maria?

The coldest day measured in Santa Maria between 1940 and 2025 was 30 June 1996, at -2.7 °C.

Q: Does it snow in Santa Maria?

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

Q: Has the climate of Santa Maria warmed?

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

Q: What is the wettest day in Santa Maria?

The wettest day measured in Santa Maria between 1940 and 2025 was 4 September 2023, with 119 mm of rain in 24 hours.

Q: What was the windiest day in Santa Maria?

The windiest day measured in Santa Maria between 1940 and 2025 was 5 June 1992, with winds reaching 44.5 km/h.

Q: What is the warmest month in Santa Maria?

The warmest month in Santa Maria is January (24.4 °C on average); the coldest is July (13.5 °C).

Q: How much does it rain in Santa Maria?

Santa Maria receives on average 1,710 mm of precipitation per year, spread over about 132 rainy days.

Q: Is it sunny in Santa Maria?

Santa Maria gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Santa Maria (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.9 °C and it receives 1,710 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 (24.4 °C on average) and the coldest is July (13.5 °C). Rainfall peaks in October.

Santa Maria averages 1 frost days, 58 hot days (≥ 30 °C) and 132 rainy days per year.

Santa Maria 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 41.7 °C (on 16 November 1985) and the coldest -2.7 °C (on 30 June 1996).

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 MariaRio Grande do Sul

coords: -29.68°, -53.81°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthMarch

Mean daily temperature

18.9°C

Average daily high

24.1°C

Average daily low

14.3°C

Annual rainfall

1,710mm

Sunshine / day

8.8h

Mean relative humidity

79%

Average peak wind

14.8km/h

Seasonal range

10.9°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

58 d/yr

Rainy days (≥ 1 mm)

132 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.7 °C

Average feels-like low

14.1 °C

Average peak gust

33.2 km/h

Tropical nights (≥ 20 °C)

51 d/yr

Solar radiation

16.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.23 · 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

41.7 °C

16 November 1985

Coldest day

-2.7 °C

30 June 1996

Wettest day

119 mm

4 September 2023

Windiest day

44.5 km/h

5 June 1992

Strongest gust

102.2 km/h

2 July 1983

Hottest feels-like

44.9 °C

23 January 2022

Coldest feels-like

-6.4 °C

12 July 2007

Sunniest day

13.6 h

26 December 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.2 °C5 February 2025	-1.4 °C2 July 2025	19.1 °C	1,876 mm	84	2
2024	36.1 °C12 February 2024	0.1 °C9 July 2024	19.5 °C	1,849 mm	57	0
2023	38.1 °C1 December 2023	0.3 °C13 June 2023	19.8 °C	1,940 mm	88	0
2022	38.3 °C20 January 2022	1.5 °C19 June 2022	18.7 °C	1,276 mm	83	0
2021	37.4 °C11 January 2021	0.0 °C30 July 2021	18.9 °C	1,244 mm	71	0
2020	38.7 °C11 December 2020	-0.3 °C15 July 2020	19.4 °C	1,053 mm	93	1
2019	38.8 °C28 December 2019	-2.1 °C7 July 2019	19.9 °C	1,728 mm	74	1
2018	36.6 °C11 December 2018	1.3 °C17 June 2018	19.4 °C	1,652 mm	76	0
2017	38.3 °C16 December 2017	0.3 °C20 June 2017	20.1 °C	1,748 mm	72	0
2016	37.7 °C24 January 2016	-0.2 °C13 June 2016	18.9 °C	1,567 mm	76	1
2015	35.8 °C13 January 2015	1.6 °C12 September 2015	19.5 °C	2,115 mm	49	0
2014	38.3 °C7 February 2014	0.2 °C20 June 2014	19.6 °C	2,134 mm	70	0
2013	37.8 °C26 December 2013	0.0 °C25 July 2013	18.8 °C	1,524 mm	55	0
2012	37.9 °C9 January 2012	-2.4 °C8 June 2012	20.0 °C	1,402 mm	96	4
2011	38.5 °C20 December 2011	-1.4 °C5 July 2011	19.3 °C	1,628 mm	92	5
2010	37.2 °C3 February 2010	-0.2 °C15 July 2010	19.0 °C	1,656 mm	76	1
2009	37.1 °C2 November 2009	-1.5 °C26 July 2009	18.7 °C	1,752 mm	74	3
2008	37.6 °C21 December 2008	-0.1 °C17 June 2008	18.9 °C	1,522 mm	82	1
2007	36.6 °C30 March 2007	-2.7 °C12 July 2007	19.1 °C	1,881 mm	91	2
2006	38.1 °C8 January 2006	-0.6 °C1 August 2006	19.5 °C	1,574 mm	89	1
2005	38.0 °C22 December 2005	0.4 °C20 July 2005	19.6 °C	1,417 mm	102	0
2004	35.7 °C15 December 2004	-1.1 °C11 July 2004	19.2 °C	1,217 mm	74	1
2003	36.0 °C11 November 2003	-0.4 °C12 July 2003	19.0 °C	1,810 mm	61	1
2002	36.1 °C20 January 2002	-1.1 °C25 June 2002	19.4 °C	2,430 mm	69	2
2001	35.5 °C20 December 2001	0.2 °C22 June 2001	19.6 °C	1,871 mm	67	0
2000	35.6 °C12 February 2000	-2.5 °C14 July 2000	18.6 °C	1,925 mm	63	3
1999	38.3 °C27 December 1999	-0.2 °C6 June 1999	18.6 °C	1,703 mm	75	1
1998	35.0 °C21 January 1998	1.8 °C25 June 1998	18.4 °C	2,742 mm	38	0
1997	36.5 °C7 January 1997	-2.4 °C28 June 1997	19.2 °C	2,364 mm	73	1
1996	36.7 °C4 January 1996	-2.7 °C30 June 1996	18.6 °C	1,739 mm	48	2
1995	40.4 °C18 December 1995	-0.7 °C5 August 1995	19.1 °C	1,723 mm	77	1
1994	37.8 °C12 December 1994	-1.0 °C11 July 1994	19.2 °C	1,879 mm	59	1
1993	35.3 °C24 January 1993	-0.3 °C16 July 1993	18.6 °C	1,806 mm	56	2
1992	35.1 °C20 February 1992	-1.2 °C2 August 1992	18.4 °C	1,911 mm	54	2
1991	38.3 °C23 November 1991	-1.8 °C2 August 1991	19.3 °C	1,439 mm	76	4
1990	35.5 °C14 November 1990	0.2 °C28 July 1990	18.5 °C	2,076 mm	53	0
1989	34.8 °C4 January 1989	-1.7 °C6 July 1989	18.5 °C	1,478 mm	69	1
1988	38.0 °C12 January 1988	-1.7 °C1 June 1988	18.5 °C	1,499 mm	83	6
1987	38.3 °C1 December 1987	1.1 °C16 June 1987	18.9 °C	2,170 mm	67	0
1986	40.7 °C16 January 1986	1.7 °C22 July 1986	19.8 °C	1,935 mm	68	0
1985	41.7 °C16 November 1985	-0.2 °C11 July 1985	19.7 °C	1,819 mm	79	1
1984	36.8 °C8 January 1984	0.5 °C26 August 1984	19.0 °C	2,235 mm	66	0
1983	35.8 °C30 December 1983	0.1 °C7 June 1983	18.6 °C	2,067 mm	60	0
1982	36.1 °C27 January 1982	2.6 °C16 June 1982	19.4 °C	1,897 mm	60	0
1981	34.5 °C27 February 1981	-0.1 °C19 June 1981	19.4 °C	1,419 mm	63	1
1980	35.5 °C15 February 1980	-0.7 °C1 August 1980	19.2 °C	1,759 mm	73	2
1979	40.0 °C5 February 1979	0.2 °C14 June 1979	18.5 °C	1,572 mm	65	0
1978	35.9 °C18 March 1978	0.5 °C5 June 1978	19.0 °C	1,365 mm	54	0
1977	35.0 °C7 March 1977	1.4 °C2 September 1977	19.7 °C	2,182 mm	74	0
1976	35.4 °C2 January 1976	-0.1 °C10 July 1976	18.2 °C	1,630 mm	49	1
1975	36.6 °C15 November 1975	-2.5 °C18 July 1975	18.6 °C	1,603 mm	52	2
1974	36.0 °C3 January 1974	0.7 °C13 June 1974	18.6 °C	1,461 mm	49	0
1973	35.6 °C12 January 1973	1.2 °C19 July 1973	18.7 °C	2,133 mm	45	0
1972	37.9 °C28 December 1972	-0.4 °C14 July 1972	18.9 °C	2,493 mm	41	1
1971	37.4 °C19 December 1971	-1.8 °C17 June 1971	18.5 °C	1,408 mm	63	2
1970	36.5 °C27 December 1970	-0.2 °C30 June 1970	18.9 °C	1,804 mm	64	1
1969	34.4 °C16 March 1969	-1.2 °C19 June 1969	18.5 °C	1,634 mm	42	1
1968	38.4 °C12 December 1968	1.2 °C3 September 1968	18.7 °C	1,551 mm	76	0
1967	36.3 °C18 December 1967	-2.5 °C14 June 1967	18.8 °C	1,793 mm	39	2
1966	33.7 °C14 December 1966	-0.4 °C1 July 1966	17.8 °C	1,958 mm	17	1
1965	37.3 °C1 February 1965	-0.7 °C16 July 1965	18.6 °C	1,702 mm	71	3
1964	35.5 °C25 January 1964	0.4 °C20 July 1964	17.8 °C	1,138 mm	47	0
1963	37.0 °C2 January 1963	0.5 °C23 July 1963	18.8 °C	1,718 mm	50	0
1962	37.2 °C25 December 1962	0.4 °C23 June 1962	17.8 °C	1,027 mm	62	0
1961	34.9 °C20 January 1961	-0.7 °C15 June 1961	19.0 °C	1,802 mm	55	3
1960	34.9 °C24 December 1960	0.3 °C2 September 1960	18.4 °C	1,319 mm	55	0
1959	32.3 °C25 January 1959	1.0 °C10 June 1959	18.4 °C	2,078 mm	33	0
1958	35.8 °C7 January 1958	0.9 °C25 May 1958	18.4 °C	1,753 mm	32	0
1957	34.8 °C25 December 1957	-0.3 °C3 August 1957	18.4 °C	1,660 mm	22	1
1956	32.5 °C5 February 1956	1.3 °C11 May 1956	17.5 °C	1,569 mm	11	0
1955	34.0 °C29 November 1955	-1.0 °C9 July 1955	17.9 °C	1,588 mm	30	2
1954	32.6 °C9 January 1954	2.3 °C6 July 1954	18.4 °C	2,007 mm	25	0
1953	37.0 °C5 January 1953	1.1 °C31 July 1953	19.1 °C	1,764 mm	40	0
1952	36.0 °C27 December 1952	3.9 °C16 June 1952	18.6 °C	1,432 mm	33	0
1951	32.0 °C4 February 1951	1.6 °C6 July 1951	18.5 °C	1,591 mm	15	0
1950	33.4 °C29 January 1950	-0.4 °C11 July 1950	18.3 °C	1,460 mm	30	1
1949	35.0 °C20 December 1949	0.2 °C19 July 1949	18.3 °C	1,397 mm	25	0
1948	32.6 °C12 December 1948	0.6 °C8 August 1948	18.5 °C	2,174 mm	12	0
1947	32.5 °C22 January 1947	-1.5 °C10 July 1947	18.5 °C	1,538 mm	13	2
1946	34.8 °C23 January 1946	1.3 °C19 July 1946	18.5 °C	1,784 mm	23	0
1945	36.6 °C15 January 1945	-0.6 °C23 June 1945	19.2 °C	1,393 mm	41	2
1944	33.6 °C12 February 1944	0.8 °C27 June 1944	19.9 °C	1,550 mm	53	0
1943	39.9 °C17 January 1943	1.4 °C28 August 1943	19.6 °C	1,064 mm	58	0
1942	38.0 °C26 November 1942	-1.3 °C18 June 1942	18.8 °C	1,046 mm	60	3
1941	32.4 °C24 November 1941	0.2 °C27 June 1941	18.7 °C	1,784 mm	19	0
1940	34.1 °C22 March 1940	1.9 °C27 August 1940	18.8 °C	1,703 mm	42	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

24.5 °C

+0.4 °C

Hot days (≥ 30 °C)

84 d/yr

+26

Frost days (< 0 °C)

2 d/yr

Annual rainfall

1876 mm

+166 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.5 °C	+1.7 °C	72 mm	-96 mm
Feb	32.6 °C	+3.6 °C	119 mm	-30 mm
Mar	29.9 °C	+2.2 °C	84 mm	-42 mm
Apr	23.6 °C	-0.8 °C	108 mm	-25 mm
May	21.8 °C	+0.9 °C	278 mm	+144 mm
Jun	15.3 °C	-3.2 °C	222 mm	+81 mm
Jul	17.3 °C	-1.2 °C	65 mm	-65 mm
Aug	19.5 °C	-0.5 °C	137 mm	+11 mm
Sep	21.7 °C	+0.2 °C	313 mm	+146 mm
Oct	24.5 °C	+0.6 °C	131 mm	-41 mm
Nov	27.6 °C	+1.1 °C	89 mm	-45 mm
Dec	29.6 °C	+0.6 °C	260 mm	+127 mm

The year's extremes

Hottest day

38.2 °C

5 Feb 2025

Coldest day

-1.4 °C

2 Jul 2025

Wettest day

73.9 mm

18 Jun 2025

Windiest day

34.6 km/h

20 Aug 2025

Strongest gust

69.8 km/h

17 Jun 2025

Hottest feels-like

44.1 °C

3 Mar 2025

Coldest feels-like

-5.0 °C

2 Jul 2025

Sunniest day

13.6 h

3 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 Santa Maria?

Santa Maria has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 1,710 mm of precipitation per year.

What is the hottest day ever recorded in Santa Maria?

The hottest day measured in Santa Maria between 1940 and 2025 was 16 November 1985, reaching 41.7 °C.

What is the coldest day in Santa Maria?

The coldest day measured in Santa Maria between 1940 and 2025 was 30 June 1996, at -2.7 °C.

Does it snow in Santa Maria?

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

Has the climate of Santa Maria warmed?

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

What is the wettest day in Santa Maria?

The wettest day measured in Santa Maria between 1940 and 2025 was 4 September 2023, with 119 mm of rain in 24 hours.

What was the windiest day in Santa Maria?

The windiest day measured in Santa Maria between 1940 and 2025 was 5 June 1992, with winds reaching 44.5 km/h.

What is the warmest month in Santa Maria?

The warmest month in Santa Maria is January (24.4 °C on average); the coldest is July (13.5 °C).

How much does it rain in Santa Maria?

Santa Maria receives on average 1,710 mm of precipitation per year, spread over about 132 rainy days.

Is it sunny in Santa Maria?

Santa Maria gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Are there tropical nights in Santa Maria?

Yes: Santa Maria has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santa Maria?

In Santa Maria, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 23 January 2022, and the lowest was -6.4 °C on 12 July 2007.

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