São Miguel do Oeste climate — normals and trends

Q: What is the climate of São Miguel do Oeste?

São Miguel do Oeste has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.8 °C and it receives 1,726 mm of precipitation per year.

Q: What is the hottest day ever recorded in São Miguel do Oeste?

The hottest day measured in São Miguel do Oeste between 1940 and 2025 was 26 November 1942, reaching 38.2 °C.

Q: What is the coldest day in São Miguel do Oeste?

The coldest day measured in São Miguel do Oeste between 1940 and 2025 was 18 July 1975, at -4.3 °C.

Q: Does it snow in São Miguel do Oeste?

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

Q: Has the climate of São Miguel do Oeste warmed?

Yes: São Miguel do Oeste warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in São Miguel do Oeste?

The wettest day measured in São Miguel do Oeste between 1940 and 2025 was 14 November 2023, with 138 mm of rain in 24 hours.

Q: What was the windiest day in São Miguel do Oeste?

The windiest day measured in São Miguel do Oeste between 1940 and 2025 was 15 September 1956, with winds reaching 51.0 km/h.

Q: What is the warmest month in São Miguel do Oeste?

The warmest month in São Miguel do Oeste is January (24.1 °C on average); the coldest is July (15.1 °C).

Q: How much does it rain in São Miguel do Oeste?

São Miguel do Oeste receives on average 1,726 mm of precipitation per year, spread over about 155 rainy days.

Q: Is it sunny in São Miguel do Oeste?

São Miguel do Oeste gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

São Miguel do Oeste (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.8 °C and it receives 1,726 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 (24.1 °C on average) and the coldest is July (15.1 °C). Rainfall peaks in October.

São Miguel do Oeste averages 1 frost days, 62 hot days (≥ 30 °C) and 155 rainy days per year.

São Miguel do Oeste 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 38.2 °C (on 26 November 1942) and the coldest -4.3 °C (on 18 July 1975).

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 Miguel do OesteSanta Catarina

coords: -26.73°, -53.52°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthJuly

Mean daily temperature

19.8°C

Average daily high

25.2°C

Average daily low

15.2°C

Annual rainfall

1,726mm

Sunshine / day

9.2h

Mean relative humidity

77%

Average peak wind

13.1km/h

Seasonal range

9.0°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

62 d/yr

Rainy days (≥ 1 mm)

155 d/yr

Annual snowfall

0.2 cm

Average feels-like high

27.2 °C

Average feels-like low

15.3 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

57 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 = 0.27 · 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

38.2 °C

26 November 1942

Coldest day

-4.3 °C

18 July 1975

Wettest day

138 mm

14 November 2023

Windiest day

51.0 km/h

15 September 1956

Strongest gust

103.0 km/h

5 June 1992

Hottest feels-like

43.1 °C

8 January 1984

Coldest feels-like

-8.3 °C

18 July 1975

Snowiest day

10.6 cm

21 August 1965

Sunniest day

13.4 h

8 January 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.5 °C3 March 2025	-2.0 °C24 June 2025	20.0 °C	1,872 mm	88	2
2024	34.9 °C14 March 2024	0.0 °C30 June 2024	21.1 °C	1,648 mm	104	0
2023	35.6 °C24 September 2023	3.8 °C15 July 2023	20.7 °C	1,948 mm	75	0
2022	37.8 °C23 January 2022	-0.2 °C12 June 2022	19.6 °C	1,735 mm	76	1
2021	35.8 °C29 December 2021	-1.8 °C29 July 2021	20.0 °C	1,219 mm	83	5
2020	37.6 °C1 October 2020	0.3 °C21 August 2020	20.7 °C	1,103 mm	111	0
2019	36.4 °C12 October 2019	-2.7 °C7 July 2019	21.0 °C	1,585 mm	85	2
2018	36.2 °C11 December 2018	0.2 °C8 June 2018	20.2 °C	1,584 mm	68	0
2017	34.8 °C21 September 2017	-1.5 °C19 July 2017	20.8 °C	1,672 mm	92	2
2016	34.8 °C29 January 2016	-0.8 °C13 June 2016	19.7 °C	1,656 mm	83	2
2015	35.0 °C12 January 2015	2.3 °C16 June 2015	20.7 °C	2,453 mm	65	0
2014	37.1 °C9 February 2014	-0.3 °C14 August 2014	20.6 °C	1,916 mm	85	1
2013	35.6 °C1 February 2013	-1.5 °C24 July 2013	19.6 °C	1,938 mm	64	2
2012	36.1 °C6 February 2012	-0.9 °C9 June 2012	20.8 °C	1,307 mm	113	1
2011	35.8 °C21 December 2011	-2.2 °C28 June 2011	19.9 °C	1,846 mm	68	4
2010	36.9 °C5 February 2010	-0.3 °C15 July 2010	19.5 °C	2,070 mm	71	1
2009	35.7 °C2 November 2009	-2.4 °C25 July 2009	19.7 °C	1,760 mm	81	2
2008	36.0 °C8 December 2008	-2.4 °C17 June 2008	19.7 °C	1,457 mm	73	2
2007	35.6 °C30 March 2007	-1.5 °C29 July 2007	20.2 °C	1,728 mm	115	3
2006	36.8 °C16 December 2006	-0.6 °C31 July 2006	20.4 °C	1,489 mm	98	2
2005	37.5 °C20 February 2005	-0.7 °C20 July 2005	20.5 °C	1,687 mm	106	1
2004	35.3 °C2 March 2004	-0.9 °C11 July 2004	19.9 °C	1,558 mm	85	1
2003	37.8 °C11 November 2003	-2.2 °C12 July 2003	20.2 °C	1,412 mm	94	1
2002	35.3 °C11 March 2002	-1.2 °C3 September 2002	20.6 °C	1,869 mm	97	1
2001	34.0 °C23 November 2001	-2.0 °C28 July 2001	20.4 °C	1,881 mm	80	1
2000	34.2 °C10 December 2000	-3.1 °C20 July 2000	19.7 °C	1,882 mm	74	6
1999	35.3 °C19 December 1999	-2.0 °C15 August 1999	19.5 °C	1,564 mm	71	1
1998	33.4 °C21 January 1998	3.5 °C11 July 1998	19.6 °C	2,446 mm	52	0
1997	34.0 °C26 December 1997	0.2 °C1 July 1997	20.2 °C	2,099 mm	64	0
1996	34.2 °C11 January 1996	-0.9 °C30 June 1996	19.4 °C	2,296 mm	54	1
1995	36.1 °C17 December 1995	0.2 °C26 June 1995	20.1 °C	1,920 mm	77	0
1994	35.1 °C24 September 1994	-2.6 °C26 June 1994	20.2 °C	2,089 mm	72	4
1993	34.7 °C3 December 1993	-1.9 °C14 July 1993	19.4 °C	1,785 mm	64	3
1992	34.5 °C23 December 1992	-1.2 °C20 July 1992	19.4 °C	2,048 mm	57	3
1991	35.9 °C21 January 1991	-3.7 °C3 August 1991	20.1 °C	1,652 mm	94	3
1990	35.5 °C15 November 1990	-2.8 °C29 July 1990	19.3 °C	2,151 mm	63	2
1989	34.6 °C6 December 1989	-1.5 °C7 July 1989	19.0 °C	1,877 mm	50	2
1988	37.0 °C7 December 1988	-2.1 °C12 July 1988	19.7 °C	1,292 mm	102	4
1987	34.9 °C11 October 1987	-1.8 °C24 June 1987	19.5 °C	2,023 mm	71	4
1986	35.0 °C17 January 1986	1.2 °C5 September 1986	20.2 °C	1,667 mm	71	0
1985	37.9 °C16 November 1985	-0.1 °C11 July 1985	20.2 °C	1,348 mm	101	1
1984	35.5 °C7 January 1984	-0.5 °C28 June 1984	20.1 °C	1,829 mm	68	1
1983	33.4 °C8 December 1983	1.0 °C9 September 1983	19.4 °C	2,596 mm	73	0
1982	33.5 °C16 January 1982	3.1 °C29 June 1982	20.0 °C	1,766 mm	54	0
1981	33.9 °C1 March 1981	-3.4 °C19 June 1981	19.9 °C	1,489 mm	64	4
1980	34.6 °C17 December 1980	-1.9 °C17 September 1980	19.8 °C	1,857 mm	79	5
1979	37.5 °C6 February 1979	-0.1 °C1 June 1979	19.2 °C	1,757 mm	64	1
1978	35.9 °C30 January 1978	-1.8 °C1 June 1978	20.1 °C	1,208 mm	90	2
1977	34.5 °C23 October 1977	0.5 °C26 June 1977	20.7 °C	1,579 mm	90	0
1976	33.6 °C14 December 1976	-1.1 °C10 July 1976	18.7 °C	1,375 mm	55	3
1975	35.0 °C13 February 1975	-4.3 °C18 July 1975	19.3 °C	1,654 mm	48	4
1974	34.0 °C27 December 1974	-0.7 °C19 August 1974	19.1 °C	1,571 mm	51	2
1973	34.9 °C13 January 1973	1.7 °C28 June 1973	19.6 °C	2,039 mm	58	0
1972	34.0 °C28 December 1972	-2.4 °C9 July 1972	19.7 °C	1,923 mm	51	3
1971	34.7 °C4 February 1971	-1.2 °C13 June 1971	19.1 °C	1,755 mm	59	3
1970	36.7 °C8 December 1970	0.7 °C25 June 1970	19.8 °C	1,660 mm	68	0
1969	34.4 °C8 February 1969	-0.1 °C3 August 1969	19.5 °C	1,764 mm	64	1
1968	35.2 °C14 December 1968	0.8 °C17 May 1968	19.1 °C	1,201 mm	74	0
1967	33.6 °C10 November 1967	-2.0 °C14 June 1967	19.8 °C	1,718 mm	37	1
1966	33.3 °C15 March 1966	-1.0 °C6 August 1966	19.1 °C	1,760 mm	37	1
1965	33.7 °C22 January 1965	-0.4 °C7 July 1965	19.0 °C	1,819 mm	40	1
1964	34.1 °C30 January 1964	1.0 °C30 June 1964	18.7 °C	1,242 mm	58	0
1963	35.8 °C3 January 1963	-1.4 °C6 August 1963	20.1 °C	1,748 mm	78	1
1962	37.5 °C24 December 1962	-0.8 °C30 May 1962	18.3 °C	1,136 mm	56	1
1961	33.3 °C24 January 1961	-1.7 °C16 June 1961	20.1 °C	1,243 mm	63	3
1960	33.7 °C9 December 1960	-0.5 °C25 June 1960	18.9 °C	1,634 mm	42	1
1959	31.8 °C8 September 1959	2.3 °C7 June 1959	19.7 °C	1,654 mm	12	0
1958	35.3 °C7 January 1958	2.1 °C30 August 1958	19.6 °C	1,827 mm	49	0
1957	33.7 °C18 October 1957	-0.6 °C3 August 1957	19.5 °C	1,631 mm	25	2
1956	31.8 °C5 February 1956	0.9 °C16 May 1956	18.5 °C	1,449 mm	9	0
1955	32.3 °C19 February 1955	-0.1 °C31 July 1955	19.1 °C	1,772 mm	34	1
1954	32.3 °C10 December 1954	3.1 °C5 July 1954	19.4 °C	1,930 mm	16	0
1953	32.9 °C5 January 1953	3.6 °C31 July 1953	20.3 °C	1,638 mm	20	0
1952	33.8 °C11 December 1952	1.8 °C19 June 1952	19.4 °C	1,440 mm	26	0
1951	31.8 °C25 September 1951	3.0 °C10 July 1951	19.6 °C	1,649 mm	14	0
1950	30.6 °C10 November 1950	0.7 °C12 July 1950	19.2 °C	1,731 mm	4	0
1949	32.3 °C15 November 1949	1.3 °C14 May 1949	19.1 °C	2,029 mm	14	0
1948	31.7 °C24 September 1948	2.0 °C9 August 1948	19.3 °C	2,494 mm	10	0
1947	31.4 °C30 November 1947	1.0 °C10 July 1947	19.1 °C	1,915 mm	6	0
1946	30.8 °C14 February 1946	1.4 °C18 July 1946	19.2 °C	2,348 mm	3	0
1945	33.4 °C16 January 1945	1.1 °C24 June 1945	19.7 °C	1,647 mm	22	0
1944	33.3 °C30 January 1944	1.1 °C27 June 1944	20.9 °C	1,076 mm	47	0
1943	36.8 °C17 January 1943	2.2 °C29 August 1943	20.0 °C	736 mm	76	0
1942	38.2 °C26 November 1942	-2.1 °C20 June 1942	19.5 °C	1,251 mm	64	2
1941	30.9 °C6 January 1941	-0.2 °C26 June 1941	19.6 °C	2,303 mm	11	1
1940	31.2 °C26 December 1940	3.1 °C10 August 1940	19.5 °C	2,034 mm	12	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

25.5 °C

+0.3 °C

Hot days (≥ 30 °C)

88 d/yr

+26

Frost days (< 0 °C)

2 d/yr

Annual rainfall

1872 mm

+146 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.7 °C	+1.4 °C	110 mm	-58 mm
Feb	31.5 °C	+2.6 °C	103 mm	-47 mm
Mar	30.4 °C	+2.4 °C	96 mm	-41 mm
Apr	24.6 °C	-0.7 °C	76 mm	-46 mm
May	23.4 °C	+1.4 °C	158 mm	+29 mm
Jun	17.9 °C	-2.5 °C	309 mm	+177 mm
Jul	20.8 °C	+0.2 °C	41 mm	-71 mm
Aug	21.4 °C	-1.1 °C	121 mm	+4 mm
Sep	24.4 °C	+0.4 °C	180 mm	+21 mm
Oct	24.6 °C	-1.1 °C	266 mm	+66 mm
Nov	27.5 °C	+0.1 °C	150 mm	+4 mm
Dec	28.7 °C	-0.2 °C	263 mm	+109 mm

The year's extremes

Hottest day

35.5 °C

3 Mar 2025

Coldest day

-2.0 °C

24 Jun 2025

Wettest day

71.5 mm

12 Oct 2025

Windiest day

31.2 km/h

3 Aug 2025

Strongest gust

75.6 km/h

9 May 2025

Hottest feels-like

40.7 °C

23 Jan 2025

Coldest feels-like

-5.2 °C

24 Jun 2025

Sunniest day

13.3 h

7 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 Miguel do Oeste?

São Miguel do Oeste has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.8 °C and it receives 1,726 mm of precipitation per year.

What is the hottest day ever recorded in São Miguel do Oeste?

The hottest day measured in São Miguel do Oeste between 1940 and 2025 was 26 November 1942, reaching 38.2 °C.

What is the coldest day in São Miguel do Oeste?

The coldest day measured in São Miguel do Oeste between 1940 and 2025 was 18 July 1975, at -4.3 °C.

Does it snow in São Miguel do Oeste?

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

Has the climate of São Miguel do Oeste warmed?

Yes: São Miguel do Oeste warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in São Miguel do Oeste?

The wettest day measured in São Miguel do Oeste between 1940 and 2025 was 14 November 2023, with 138 mm of rain in 24 hours.

What was the windiest day in São Miguel do Oeste?

The windiest day measured in São Miguel do Oeste between 1940 and 2025 was 15 September 1956, with winds reaching 51.0 km/h.

What is the warmest month in São Miguel do Oeste?

The warmest month in São Miguel do Oeste is January (24.1 °C on average); the coldest is July (15.1 °C).

How much does it rain in São Miguel do Oeste?

São Miguel do Oeste receives on average 1,726 mm of precipitation per year, spread over about 155 rainy days.

Is it sunny in São Miguel do Oeste?

São Miguel do Oeste gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

What is the biggest single-day snowfall in São Miguel do Oeste?

The heaviest 24-hour snowfall measured in São Miguel do Oeste between 1940 and 2025 was 21 August 1965, with 10.6 cm.

Are there tropical nights in São Miguel do Oeste?

Yes: São Miguel do Oeste has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in São Miguel do Oeste?

In São Miguel do Oeste, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 8 January 1984, and the lowest was -8.3 °C on 18 July 1975.

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