São Francisco de Assis climate — normals and trends

Q: What is the climate of São Francisco de Assis?

São Francisco de Assis has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 1,593 mm of precipitation per year.

Q: What is the hottest day ever recorded in São Francisco de Assis?

The hottest day measured in São Francisco de Assis between 1940 and 2025 was 16 November 1985, reaching 42.0 °C.

Q: What is the coldest day in São Francisco de Assis?

The coldest day measured in São Francisco de Assis between 1940 and 2025 was 14 June 1967, at -3.1 °C.

Q: Does it snow in São Francisco de Assis?

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

Q: Has the climate of São Francisco de Assis warmed?

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

Q: What is the wettest day in São Francisco de Assis?

The wettest day measured in São Francisco de Assis between 1940 and 2025 was 17 February 1969, with 133 mm of rain in 24 hours.

Q: What was the windiest day in São Francisco de Assis?

The windiest day measured in São Francisco de Assis between 1940 and 2025 was 5 August 1974, with winds reaching 51.7 km/h.

Q: What is the warmest month in São Francisco de Assis?

The warmest month in São Francisco de Assis is January (25.4 °C on average); the coldest is July (14.1 °C).

Q: How much does it rain in São Francisco de Assis?

São Francisco de Assis receives on average 1,593 mm of precipitation per year, spread over about 120 rainy days.

Q: Is it sunny in São Francisco de Assis?

São Francisco de Assis gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

São Francisco de Assis (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.7 °C and it receives 1,593 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 (25.4 °C on average) and the coldest is July (14.1 °C). Rainfall peaks in October.

São Francisco de Assis averages 1 frost days, 73 hot days (≥ 30 °C) and 120 rainy days per year.

São Francisco de Assis has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The number of frost days there went from about 1 to 1 per year over the period.

The hottest day of the period reached 42.0 °C (on 16 November 1985) and the coldest -3.1 °C (on 14 June 1967).

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 Francisco de AssisRio Grande do Sul

coords: -29.55°, -55.13°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthMarch

Mean daily temperature

19.7°C

Average daily high

24.8°C

Average daily low

15.1°C

Annual rainfall

1,593mm

Sunshine / day

9.2h

Mean relative humidity

74%

Average peak wind

18.5km/h

Seasonal range

11.3°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

120 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.8 °C

Average feels-like low

14.4 °C

Average peak gust

34.9 km/h

Tropical nights (≥ 20 °C)

72 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.18 · 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

42.0 °C

16 November 1985

Coldest day

-3.1 °C

14 June 1967

Wettest day

133 mm

17 February 1969

Windiest day

51.7 km/h

5 August 1974

Strongest gust

103.0 km/h

17 October 1982

Hottest feels-like

44.9 °C

8 January 2005

Coldest feels-like

-6.9 °C

14 June 1967

Sunniest day

13.7 h

4 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.7 °C3 March 2025	-1.8 °C1 July 2025	19.8 °C	1,743 mm	99	2
2024	36.7 °C12 February 2024	-0.7 °C9 July 2024	20.2 °C	1,527 mm	77	1
2023	37.4 °C12 February 2023	1.6 °C18 July 2023	20.6 °C	1,604 mm	100	0
2022	39.2 °C13 January 2022	0.3 °C11 June 2022	19.7 °C	1,064 mm	96	0
2021	37.4 °C11 January 2021	-0.2 °C29 July 2021	19.6 °C	1,099 mm	85	1
2020	38.7 °C14 March 2020	0.3 °C29 July 2020	20.1 °C	1,032 mm	103	0
2019	37.2 °C28 December 2019	-1.2 °C7 July 2019	20.4 °C	1,581 mm	84	2
2018	36.6 °C5 January 2018	0.5 °C17 June 2018	20.0 °C	1,609 mm	81	0
2017	39.2 °C16 December 2017	0.3 °C18 July 2017	20.8 °C	1,699 mm	87	0
2016	37.2 °C24 January 2016	0.1 °C11 June 2016	19.5 °C	1,491 mm	86	0
2015	34.6 °C13 January 2015	1.2 °C19 June 2015	20.1 °C	1,964 mm	68	0
2014	39.0 °C7 February 2014	1.7 °C14 August 2014	20.3 °C	1,954 mm	88	0
2013	39.1 °C26 December 2013	0.9 °C24 July 2013	19.6 °C	1,426 mm	80	0
2012	39.4 °C19 February 2012	-1.8 °C7 June 2012	20.8 °C	1,406 mm	105	2
2011	39.5 °C20 December 2011	-0.7 °C4 July 2011	20.2 °C	1,393 mm	107	1
2010	37.2 °C10 December 2010	0.6 °C15 July 2010	19.7 °C	1,479 mm	93	0
2009	36.5 °C2 November 2009	-0.7 °C25 July 2009	19.6 °C	1,626 mm	97	3
2008	38.0 °C21 December 2008	1.0 °C17 June 2008	19.8 °C	1,401 mm	94	0
2007	36.8 °C30 March 2007	-0.8 °C12 July 2007	19.7 °C	1,741 mm	102	2
2006	39.1 °C8 January 2006	0.7 °C1 August 2006	20.5 °C	1,415 mm	110	0
2005	38.4 °C8 January 2005	2.0 °C20 July 2005	20.3 °C	1,351 mm	112	0
2004	37.9 °C15 December 2004	0.1 °C11 July 2004	19.9 °C	1,035 mm	100	0
2003	36.5 °C31 January 2003	-0.2 °C12 July 2003	19.6 °C	1,841 mm	75	1
2002	37.1 °C27 February 2002	0.0 °C2 September 2002	20.0 °C	2,428 mm	81	0
2001	35.9 °C4 January 2001	0.5 °C22 June 2001	20.3 °C	1,871 mm	80	0
2000	37.7 °C8 January 2000	-1.9 °C14 July 2000	19.3 °C	1,816 mm	76	3
1999	38.5 °C24 January 1999	1.2 °C15 August 1999	19.6 °C	1,600 mm	98	0
1998	35.7 °C21 January 1998	2.2 °C21 September 1998	19.2 °C	2,521 mm	56	0
1997	37.4 °C7 January 1997	-1.5 °C28 June 1997	20.2 °C	2,103 mm	81	1
1996	39.1 °C4 January 1996	-3.0 °C29 June 1996	19.4 °C	1,749 mm	67	2
1995	40.0 °C18 December 1995	-2.4 °C5 August 1995	19.8 °C	1,656 mm	94	1
1994	38.0 °C12 December 1994	-1.1 °C10 July 1994	20.0 °C	1,848 mm	77	1
1993	35.1 °C24 January 1993	-1.0 °C15 July 1993	19.3 °C	1,704 mm	67	1
1992	35.1 °C14 November 1992	0.2 °C2 August 1992	19.0 °C	1,639 mm	63	0
1991	37.9 °C20 January 1991	-2.3 °C2 August 1991	19.9 °C	1,496 mm	90	4
1990	36.2 °C14 November 1990	0.1 °C28 July 1990	19.2 °C	1,922 mm	60	0
1989	37.7 °C3 January 1989	-0.7 °C6 July 1989	19.5 °C	1,370 mm	92	1
1988	39.1 °C12 January 1988	-1.3 °C1 June 1988	19.3 °C	1,330 mm	103	1
1987	39.0 °C1 December 1987	0.8 °C16 June 1987	19.7 °C	1,860 mm	90	0
1986	38.5 °C16 January 1986	2.6 °C14 May 1986	20.5 °C	2,164 mm	82	0
1985	42.0 °C16 November 1985	-0.2 °C11 July 1985	20.5 °C	1,706 mm	99	1
1984	37.9 °C7 January 1984	0.1 °C25 August 1984	19.6 °C	2,286 mm	78	0
1983	37.2 °C27 December 1983	0.3 °C5 June 1983	19.3 °C	1,894 mm	79	0
1982	36.8 °C27 January 1982	2.6 °C29 June 1982	20.2 °C	1,600 mm	78	0
1981	34.9 °C5 January 1981	-1.2 °C19 June 1981	20.1 °C	1,325 mm	86	1
1980	36.0 °C9 February 1980	-1.6 °C31 July 1980	19.9 °C	1,709 mm	86	2
1979	38.6 °C5 February 1979	0.4 °C14 June 1979	19.1 °C	1,508 mm	69	0
1978	36.8 °C23 December 1978	1.2 °C1 June 1978	19.6 °C	1,254 mm	77	0
1977	34.9 °C9 March 1977	2.6 °C2 September 1977	20.2 °C	1,965 mm	82	0
1976	36.1 °C27 November 1976	-0.7 °C10 July 1976	18.7 °C	1,386 mm	61	1
1975	36.9 °C14 February 1975	-1.7 °C18 July 1975	19.2 °C	1,471 mm	64	1
1974	36.3 °C4 January 1974	0.5 °C8 August 1974	19.2 °C	1,392 mm	63	0
1973	36.4 °C12 January 1973	2.5 °C7 September 1973	19.2 °C	2,226 mm	66	0
1972	39.1 °C8 February 1972	0.5 °C4 August 1972	19.6 °C	2,318 mm	65	0
1971	39.7 °C20 December 1971	-0.9 °C16 June 1971	19.2 °C	1,165 mm	77	2
1970	36.6 °C27 December 1970	-0.7 °C2 July 1970	19.5 °C	1,831 mm	73	1
1969	36.0 °C16 March 1969	0.2 °C19 June 1969	19.2 °C	1,751 mm	56	0
1968	38.2 °C11 January 1968	1.5 °C3 September 1968	19.5 °C	1,480 mm	90	0
1967	37.2 °C18 December 1967	-3.1 °C14 June 1967	19.5 °C	1,852 mm	53	1
1966	34.2 °C11 December 1966	0.4 °C6 August 1966	18.6 °C	1,706 mm	31	0
1965	37.9 °C1 February 1965	0.2 °C11 July 1965	19.4 °C	1,575 mm	79	0
1964	36.6 °C25 January 1964	1.3 °C9 July 1964	18.6 °C	935 mm	66	0
1963	36.4 °C2 January 1963	1.0 °C6 August 1963	19.6 °C	1,455 mm	64	0
1962	37.6 °C25 December 1962	-0.2 °C30 May 1962	18.5 °C	1,094 mm	63	1
1961	35.5 °C19 December 1961	-0.9 °C15 June 1961	19.7 °C	1,665 mm	70	2
1960	36.7 °C9 December 1960	0.2 °C9 July 1960	19.4 °C	1,314 mm	74	0
1959	34.5 °C21 January 1959	2.7 °C10 June 1959	19.2 °C	2,195 mm	45	0
1958	36.0 °C7 January 1958	2.0 °C26 May 1958	19.1 °C	1,589 mm	43	0
1957	34.6 °C25 December 1957	0.0 °C21 July 1957	19.0 °C	1,582 mm	31	0
1956	32.4 °C5 February 1956	2.0 °C11 June 1956	18.2 °C	1,548 mm	19	0
1955	34.3 °C6 January 1955	-0.4 °C30 July 1955	18.7 °C	1,324 mm	49	2
1954	33.0 °C9 January 1954	3.8 °C8 August 1954	19.1 °C	1,781 mm	31	0
1953	36.5 °C5 January 1953	1.1 °C20 July 1953	19.9 °C	1,790 mm	50	0
1952	35.9 °C27 December 1952	3.9 °C17 June 1952	19.4 °C	1,185 mm	46	0
1951	32.3 °C17 January 1951	3.3 °C6 July 1951	19.4 °C	1,431 mm	25	0
1950	33.5 °C29 January 1950	2.7 °C6 August 1950	19.3 °C	1,259 mm	48	0
1949	35.6 °C20 December 1949	0.9 °C19 July 1949	19.2 °C	1,251 mm	52	0
1948	32.9 °C12 December 1948	1.7 °C8 August 1948	19.2 °C	1,927 mm	12	0
1947	32.7 °C1 February 1947	0.4 °C11 July 1947	19.3 °C	1,389 mm	18	0
1946	35.5 °C23 January 1946	2.1 °C15 July 1946	19.2 °C	1,525 mm	35	0
1945	36.9 °C15 January 1945	-0.5 °C9 July 1945	20.2 °C	1,158 mm	59	1
1944	35.6 °C21 December 1944	1.1 °C27 June 1944	20.8 °C	1,532 mm	71	0
1943	39.5 °C17 January 1943	3.4 °C29 August 1943	20.8 °C	849 mm	84	0
1942	36.6 °C29 December 1942	0.1 °C18 June 1942	19.6 °C	968 mm	74	0
1941	32.8 °C16 February 1941	1.4 °C25 June 1941	19.5 °C	1,673 mm	36	0
1940	34.8 °C9 March 1940	3.5 °C27 August 1940	19.7 °C	1,632 mm	75	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

25.2 °C

+0.4 °C

Hot days (≥ 30 °C)

99 d/yr

+26

Frost days (< 0 °C)

2 d/yr

Annual rainfall

1743 mm

+150 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.5 °C	+1.9 °C	47 mm	-106 mm
Feb	33.8 °C	+4.0 °C	77 mm	-59 mm
Mar	30.7 °C	+2.3 °C	128 mm	+13 mm
Apr	24.0 °C	-0.9 °C	68 mm	-68 mm
May	22.2 °C	+0.8 °C	272 mm	+146 mm
Jun	15.9 °C	-3.1 °C	196 mm	+69 mm
Jul	18.6 °C	-0.4 °C	57 mm	-58 mm
Aug	20.2 °C	-0.4 °C	165 mm	+49 mm
Sep	22.4 °C	+0.2 °C	270 mm	+116 mm
Oct	24.9 °C	+0.3 °C	145 mm	-25 mm
Nov	28.1 °C	+0.8 °C	86 mm	-41 mm
Dec	30.0 °C	+0.1 °C	234 mm	+116 mm

The year's extremes

Hottest day

38.7 °C

3 Mar 2025

Coldest day

-1.8 °C

1 Jul 2025

Wettest day

70.0 mm

27 Mar 2025

Windiest day

40.2 km/h

20 Aug 2025

Strongest gust

76.3 km/h

22 Aug 2025

Hottest feels-like

43.3 °C

4 Mar 2025

Coldest feels-like

-5.5 °C

1 Jul 2025

Sunniest day

13.7 h

2 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 Francisco de Assis?

São Francisco de Assis has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 1,593 mm of precipitation per year.

What is the hottest day ever recorded in São Francisco de Assis?

The hottest day measured in São Francisco de Assis between 1940 and 2025 was 16 November 1985, reaching 42.0 °C.

What is the coldest day in São Francisco de Assis?

The coldest day measured in São Francisco de Assis between 1940 and 2025 was 14 June 1967, at -3.1 °C.

Does it snow in São Francisco de Assis?

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

Has the climate of São Francisco de Assis warmed?

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

What is the wettest day in São Francisco de Assis?

The wettest day measured in São Francisco de Assis between 1940 and 2025 was 17 February 1969, with 133 mm of rain in 24 hours.

What was the windiest day in São Francisco de Assis?

The windiest day measured in São Francisco de Assis between 1940 and 2025 was 5 August 1974, with winds reaching 51.7 km/h.

What is the warmest month in São Francisco de Assis?

The warmest month in São Francisco de Assis is January (25.4 °C on average); the coldest is July (14.1 °C).

How much does it rain in São Francisco de Assis?

São Francisco de Assis receives on average 1,593 mm of precipitation per year, spread over about 120 rainy days.

Is it sunny in São Francisco de Assis?

São Francisco de Assis gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Are there tropical nights in São Francisco de Assis?

Yes: São Francisco de Assis has on average 72 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in São Francisco de Assis?

In São Francisco de Assis, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 8 January 2005, and the lowest was -6.9 °C on 14 June 1967.

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