São Sepé climate — normals and trends

Q: What is the climate of São Sepé?

São Sepé has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 1,542 mm of precipitation per year.

Q: What is the hottest day ever recorded in São Sepé?

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

Q: What is the coldest day in São Sepé?

The coldest day measured in São Sepé between 1940 and 2025 was 14 July 1991, at -3.6 °C.

Q: Does it snow in São Sepé?

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

Q: Has the climate of São Sepé warmed?

Yes: São Sepé warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in São Sepé?

The wettest day measured in São Sepé between 1940 and 2025 was 17 February 1969, with 123 mm of rain in 24 hours.

Q: What was the windiest day in São Sepé?

The windiest day measured in São Sepé between 1940 and 2025 was 5 June 1992, with winds reaching 46.1 km/h.

Q: What is the warmest month in São Sepé?

The warmest month in São Sepé is January (24.5 °C on average); the coldest is July (13.0 °C).

Q: How much does it rain in São Sepé?

São Sepé receives on average 1,542 mm of precipitation per year, spread over about 122 rainy days.

Q: Is it sunny in São Sepé?

São Sepé gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

São Sepé (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.8 °C and it receives 1,542 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 (24.5 °C on average) and the coldest is July (13.0 °C). Rainfall peaks in September.

São Sepé averages 1 frost days, 58 hot days (≥ 30 °C) and 122 rainy days per year.

São Sepé has warmed by +0.8 °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 -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

São SepéRio Grande do Sul

coords: -30.16°, -53.57°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthSeptemberDriest monthMarch

Mean daily temperature

18.8°C

Average daily high

24.0°C

Average daily low

14.3°C

Annual rainfall

1,542mm

Sunshine / day

8.9h

Mean relative humidity

77%

Average peak wind

17.0km/h

Seasonal range

11.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

58 d/yr

Rainy days (≥ 1 mm)

122 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.0 °C

Average feels-like low

13.7 °C

Average peak gust

33.8 km/h

Tropical nights (≥ 20 °C)

52 d/yr

Solar radiation

16.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.22 · 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

-3.6 °C

14 July 1991

Wettest day

123 mm

17 February 1969

Windiest day

46.1 km/h

5 June 1992

Strongest gust

99.7 km/h

10 November 2015

Hottest feels-like

44.5 °C

7 February 2010

Coldest feels-like

-7.4 °C

5 August 1995

Snowiest day

0.1 cm

23 July 2013

Sunniest day

13.7 h

20 December 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.2 °C4 February 2025	-0.5 °C1 July 2025	19.0 °C	1,726 mm	87	1
2024	35.4 °C12 February 2024	0.4 °C30 June 2024	19.3 °C	1,683 mm	53	0
2023	37.5 °C1 January 2023	1.9 °C13 August 2023	19.7 °C	1,730 mm	89	0
2022	38.4 °C16 January 2022	1.4 °C31 May 2022	18.7 °C	1,084 mm	81	0
2021	37.5 °C11 January 2021	-0.1 °C30 July 2021	19.0 °C	1,123 mm	73	1
2020	38.1 °C14 March 2020	-0.3 °C15 July 2020	19.4 °C	997 mm	94	1
2019	38.4 °C27 December 2019	-1.6 °C7 July 2019	19.8 °C	1,529 mm	79	1
2018	37.0 °C5 January 2018	0.3 °C17 June 2018	19.5 °C	1,462 mm	91	0
2017	38.3 °C16 December 2017	0.3 °C19 July 2017	20.0 °C	1,666 mm	76	0
2016	36.3 °C24 December 2016	0.4 °C13 June 2016	18.9 °C	1,283 mm	75	0
2015	34.3 °C13 January 2015	1.6 °C16 June 2015	19.4 °C	1,932 mm	50	0
2014	39.1 °C7 February 2014	-0.1 °C14 August 2014	19.4 °C	1,833 mm	66	1
2013	38.1 °C26 December 2013	-0.1 °C25 July 2013	18.6 °C	1,375 mm	61	1
2012	37.5 °C31 January 2012	-1.6 °C8 June 2012	19.8 °C	1,166 mm	96	3
2011	39.4 °C20 December 2011	-1.6 °C7 July 2011	19.2 °C	1,388 mm	94	4
2010	37.2 °C10 December 2010	-0.3 °C15 July 2010	19.0 °C	1,410 mm	75	1
2009	36.5 °C10 February 2009	-0.7 °C30 July 2009	18.7 °C	1,462 mm	63	2
2008	37.4 °C21 December 2008	-1.1 °C17 June 2008	19.0 °C	1,453 mm	86	1
2007	36.2 °C10 December 2007	-2.6 °C12 July 2007	18.9 °C	1,776 mm	89	3
2006	38.8 °C16 March 2006	1.0 °C5 September 2006	19.5 °C	1,433 mm	95	0
2005	37.5 °C22 December 2005	2.2 °C20 July 2005	19.5 °C	1,406 mm	96	0
2004	35.4 °C12 February 2004	-0.2 °C11 July 2004	19.2 °C	1,224 mm	89	1
2003	35.8 °C4 February 2003	-0.1 °C12 July 2003	18.7 °C	1,765 mm	51	1
2002	36.0 °C20 January 2002	0.8 °C23 June 2002	19.2 °C	2,122 mm	62	0
2001	35.1 °C4 January 2001	-0.5 °C28 July 2001	19.4 °C	1,803 mm	59	1
2000	37.1 °C12 February 2000	-1.6 °C14 July 2000	18.6 °C	1,738 mm	68	2
1999	38.0 °C27 December 1999	1.5 °C6 June 1999	18.4 °C	1,531 mm	71	0
1998	34.7 °C21 January 1998	2.4 °C25 June 1998	18.3 °C	2,574 mm	35	0
1997	37.4 °C7 January 1997	-2.0 °C28 June 1997	19.1 °C	2,210 mm	71	1
1996	36.8 °C4 January 1996	-3.2 °C30 June 1996	18.4 °C	1,595 mm	49	2
1995	40.6 °C18 December 1995	-3.6 °C5 August 1995	18.9 °C	1,698 mm	78	1
1994	38.1 °C12 December 1994	-0.3 °C28 June 1994	19.0 °C	1,821 mm	57	1
1993	35.3 °C24 January 1993	0.0 °C2 August 1993	18.5 °C	1,676 mm	53	0
1992	34.9 °C20 February 1992	-1.1 °C2 August 1992	18.3 °C	1,858 mm	51	1
1991	38.2 °C23 November 1991	-3.6 °C14 July 1991	19.0 °C	1,327 mm	70	5
1990	36.7 °C7 January 1990	-0.5 °C29 August 1990	18.4 °C	1,814 mm	48	1
1989	36.6 °C2 January 1989	0.3 °C6 July 1989	18.6 °C	1,277 mm	73	0
1988	39.4 °C12 January 1988	-1.7 °C1 June 1988	18.6 °C	1,263 mm	92	4
1987	39.1 °C1 December 1987	-0.2 °C24 June 1987	18.9 °C	2,014 mm	76	1
1986	40.3 °C16 January 1986	0.8 °C14 May 1986	19.5 °C	1,829 mm	61	0
1985	41.7 °C16 November 1985	1.0 °C11 July 1985	19.6 °C	1,800 mm	81	0
1984	37.4 °C7 January 1984	-0.2 °C29 July 1984	18.8 °C	2,362 mm	63	1
1983	36.9 °C29 December 1983	-0.1 °C6 June 1983	18.6 °C	1,995 mm	67	1
1982	37.6 °C27 January 1982	2.8 °C30 July 1982	19.4 °C	1,891 mm	60	0
1981	35.3 °C27 February 1981	0.3 °C19 June 1981	19.5 °C	1,258 mm	85	0
1980	36.5 °C15 February 1980	-1.8 °C31 July 1980	19.1 °C	1,539 mm	77	2
1979	38.8 °C5 February 1979	1.0 °C17 July 1979	18.3 °C	1,490 mm	60	0
1978	36.6 °C29 December 1978	1.5 °C31 August 1978	19.0 °C	1,198 mm	57	0
1977	34.9 °C19 December 1977	2.5 °C19 July 1977	19.5 °C	2,032 mm	73	0
1976	36.1 °C2 January 1976	0.1 °C10 July 1976	18.1 °C	1,367 mm	47	0
1975	35.9 °C15 November 1975	-1.1 °C18 July 1975	18.6 °C	1,361 mm	48	2
1974	35.5 °C3 January 1974	-0.7 °C9 August 1974	18.6 °C	1,344 mm	42	1
1973	34.7 °C23 November 1973	1.2 °C7 September 1973	18.6 °C	1,965 mm	38	0
1972	36.5 °C6 March 1972	0.9 °C14 July 1972	18.8 °C	2,391 mm	35	0
1971	36.7 °C29 December 1971	-2.4 °C17 June 1971	18.3 °C	1,334 mm	50	2
1970	37.5 °C1 March 1970	0.4 °C30 June 1970	18.8 °C	1,532 mm	63	0
1969	34.8 °C4 February 1969	-0.9 °C19 June 1969	18.4 °C	1,481 mm	40	1
1968	38.9 °C12 December 1968	0.2 °C3 September 1968	18.7 °C	1,408 mm	75	0
1967	36.0 °C18 December 1967	-2.7 °C14 June 1967	18.6 °C	1,546 mm	33	1
1966	33.0 °C14 December 1966	0.5 °C24 July 1966	17.7 °C	1,666 mm	14	0
1965	37.4 °C1 February 1965	-0.1 °C6 July 1965	18.6 °C	1,394 mm	71	2
1964	35.3 °C26 January 1964	0.3 °C26 June 1964	17.7 °C	925 mm	37	0
1963	36.7 °C2 January 1963	-0.1 °C23 July 1963	18.6 °C	1,682 mm	45	1
1962	35.9 °C29 December 1962	0.8 °C18 July 1962	17.9 °C	935 mm	63	0
1961	35.2 °C31 January 1961	-0.6 °C16 June 1961	18.8 °C	1,672 mm	50	3
1960	36.0 °C24 February 1960	-0.8 °C25 June 1960	18.4 °C	1,389 mm	67	1
1959	32.2 °C25 January 1959	0.8 °C10 June 1959	18.3 °C	1,948 mm	23	0
1958	34.7 °C7 January 1958	1.0 °C19 June 1958	18.3 °C	1,387 mm	22	0
1957	34.3 °C25 December 1957	0.8 °C3 August 1957	18.4 °C	1,433 mm	20	0
1956	32.2 °C5 February 1956	1.6 °C11 May 1956	17.5 °C	1,278 mm	13	0
1955	35.0 °C29 November 1955	-1.7 °C8 July 1955	17.9 °C	1,257 mm	37	2
1954	31.9 °C9 January 1954	3.1 °C8 August 1954	18.4 °C	1,778 mm	28	0
1953	37.2 °C5 January 1953	2.0 °C20 July 1953	19.0 °C	1,435 mm	43	0
1952	36.7 °C27 December 1952	3.7 °C12 June 1952	18.5 °C	1,159 mm	32	0
1951	32.9 °C4 February 1951	1.3 °C6 July 1951	18.3 °C	1,334 mm	17	0
1950	34.1 °C29 January 1950	-0.2 °C11 July 1950	18.4 °C	1,295 mm	36	1
1949	36.5 °C22 December 1949	-0.1 °C19 July 1949	18.3 °C	1,165 mm	31	1
1948	31.2 °C12 December 1948	1.0 °C8 August 1948	18.4 °C	1,827 mm	7	0
1947	32.5 °C23 January 1947	-1.0 °C10 July 1947	18.4 °C	1,283 mm	13	1
1946	35.2 °C23 January 1946	2.2 °C19 July 1946	18.5 °C	1,514 mm	29	0
1945	37.1 °C15 January 1945	-0.5 °C9 July 1945	19.3 °C	1,146 mm	44	1
1944	33.9 °C13 February 1944	1.6 °C27 June 1944	19.9 °C	1,315 mm	56	0
1943	39.1 °C17 January 1943	2.3 °C29 August 1943	19.6 °C	949 mm	58	0
1942	36.9 °C16 December 1942	-1.7 °C18 June 1942	18.7 °C	911 mm	56	1
1941	32.8 °C9 December 1941	-0.4 °C19 July 1941	18.6 °C	1,492 mm	15	1
1940	34.2 °C22 March 1940	2.6 °C27 August 1940	18.8 °C	1,672 mm	44	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

24.4 °C

+0.4 °C

Hot days (≥ 30 °C)

87 d/yr

+29

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1726 mm

+184 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.8 °C	+1.8 °C	48 mm	-89 mm
Feb	33.0 °C	+3.7 °C	112 mm	-6 mm
Mar	30.0 °C	+2.2 °C	75 mm	-33 mm
Apr	23.8 °C	-0.6 °C	85 mm	-38 mm
May	21.3 °C	+0.6 °C	243 mm	+116 mm
Jun	15.2 °C	-2.8 °C	224 mm	+88 mm
Jul	16.6 °C	-1.2 °C	66 mm	-63 mm
Aug	19.1 °C	-0.3 °C	182 mm	+58 mm
Sep	21.1 °C	+0.1 °C	298 mm	+137 mm
Oct	24.2 °C	+0.6 °C	118 mm	-38 mm
Nov	27.6 °C	+1.2 °C	86 mm	-30 mm
Dec	30.0 °C	+0.9 °C	190 mm	+83 mm

The year's extremes

Hottest day

39.2 °C

4 Feb 2025

Coldest day

-0.5 °C

1 Jul 2025

Wettest day

98.8 mm

9 May 2025

Windiest day

35.8 km/h

23 Jun 2025

Strongest gust

68.8 km/h

27 May 2025

Hottest feels-like

43.8 °C

3 Mar 2025

Coldest feels-like

-4.2 °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 São Sepé?

São Sepé has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 1,542 mm of precipitation per year.

What is the hottest day ever recorded in São Sepé?

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

What is the coldest day in São Sepé?

The coldest day measured in São Sepé between 1940 and 2025 was 14 July 1991, at -3.6 °C.

Does it snow in São Sepé?

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

Has the climate of São Sepé warmed?

Yes: São Sepé warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in São Sepé?

The wettest day measured in São Sepé between 1940 and 2025 was 17 February 1969, with 123 mm of rain in 24 hours.

What was the windiest day in São Sepé?

The windiest day measured in São Sepé between 1940 and 2025 was 5 June 1992, with winds reaching 46.1 km/h.

What is the warmest month in São Sepé?

The warmest month in São Sepé is January (24.5 °C on average); the coldest is July (13.0 °C).

How much does it rain in São Sepé?

São Sepé receives on average 1,542 mm of precipitation per year, spread over about 122 rainy days.

Is it sunny in São Sepé?

São Sepé gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in São Sepé?

The heaviest 24-hour snowfall measured in São Sepé between 1940 and 2025 was 23 July 2013, with 0.1 cm.

Are there tropical nights in São Sepé?

Yes: São Sepé has on average 52 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in São Sepé?

In São Sepé, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 7 February 2010, and the lowest was -7.4 °C on 5 August 1995.

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