São Miguel Arcanjo climate — normals and trends

Q: What is the climate of São Miguel Arcanjo?

São Miguel Arcanjo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 1,740 mm of precipitation per year.

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

The hottest day measured in São Miguel Arcanjo between 1940 and 2025 was 1 October 2020, reaching 36.7 °C.

Q: What is the coldest day in São Miguel Arcanjo?

The coldest day measured in São Miguel Arcanjo between 1940 and 2025 was 18 July 1975, at -0.5 °C.

Q: Does it snow in São Miguel Arcanjo?

Almost never: São Miguel Arcanjo sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of São Miguel Arcanjo warmed?

Yes: São Miguel Arcanjo warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in São Miguel Arcanjo?

The wettest day measured in São Miguel Arcanjo between 1940 and 2025 was 23 March 1941, with 181 mm of rain in 24 hours.

Q: What was the windiest day in São Miguel Arcanjo?

The windiest day measured in São Miguel Arcanjo between 1940 and 2025 was 10 December 2025, with winds reaching 40.0 km/h.

Q: What is the warmest month in São Miguel Arcanjo?

The warmest month in São Miguel Arcanjo is February (22.1 °C on average); the coldest is July (15.4 °C).

Q: How much does it rain in São Miguel Arcanjo?

São Miguel Arcanjo receives on average 1,740 mm of precipitation per year, spread over about 199 rainy days.

Q: Is it sunny in São Miguel Arcanjo?

São Miguel Arcanjo gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

São Miguel Arcanjo (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.8 °C and it receives 1,740 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 February (22.1 °C on average) and the coldest is July (15.4 °C). Rainfall peaks in January.

São Miguel Arcanjo averages 0 frost days, 26 hot days (≥ 30 °C) and 199 rainy days per year.

São Miguel Arcanjo has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.7 °C (on 1 October 2020) and the coldest -0.5 °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 ArcanjoSão Paulo

coords: -23.88°, -48.00°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

18.8°C

Average daily high

23.6°C

Average daily low

15.4°C

Annual rainfall

1,740mm

Sunshine / day

8.5h

Mean relative humidity

87%

Average peak wind

13.2km/h

Seasonal range

6.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

26 d/yr

Rainy days (≥ 1 mm)

199 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.5 °C

Average feels-like low

16.0 °C

Average peak gust

33.9 km/h

Tropical nights (≥ 20 °C)

28 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.55 · 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

36.7 °C

1 October 2020

Coldest day

-0.5 °C

18 July 1975

Wettest day

181 mm

23 March 1941

Windiest day

40.0 km/h

10 December 2025

Strongest gust

95.4 km/h

7 June 2011

Hottest feels-like

41.2 °C

11 January 2015

Coldest feels-like

-4.5 °C

18 July 1975

Sunniest day

13.5 h

15 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.4 °C26 December 2025	2.6 °C25 June 2025	19.1 °C	1,497 mm	45	0
2024	34.5 °C26 September 2024	2.9 °C27 August 2024	20.1 °C	1,738 mm	70	0
2023	35.7 °C12 November 2023	6.5 °C15 July 2023	19.7 °C	1,685 mm	53	0
2022	33.2 °C28 February 2022	5.3 °C20 May 2022	18.7 °C	1,680 mm	32	0
2021	34.5 °C13 September 2021	-0.4 °C30 July 2021	18.8 °C	1,439 mm	31	1
2020	36.7 °C1 October 2020	5.0 °C22 August 2020	19.1 °C	1,541 mm	40	0
2019	34.6 °C2 February 2019	1.2 °C6 July 2019	19.9 °C	1,501 mm	58	0
2018	33.7 °C17 December 2018	5.2 °C12 July 2018	19.5 °C	1,343 mm	29	0
2017	34.6 °C12 October 2017	4.4 °C18 July 2017	19.6 °C	1,562 mm	51	0
2016	34.8 °C26 January 2016	4.3 °C12 June 2016	19.6 °C	1,527 mm	62	0
2015	35.0 °C24 September 2015	7.7 °C16 June 2015	20.3 °C	2,034 mm	54	0
2014	35.6 °C7 February 2014	6.3 °C21 July 2014	20.0 °C	1,322 mm	67	0
2013	34.3 °C27 December 2013	2.9 °C24 July 2013	19.1 °C	1,572 mm	43	0
2012	35.1 °C30 October 2012	5.5 °C15 July 2012	19.6 °C	1,732 mm	51	0
2011	33.8 °C22 December 2011	2.4 °C28 June 2011	18.9 °C	1,575 mm	43	0
2010	34.2 °C13 March 2010	6.3 °C6 June 2010	19.2 °C	1,888 mm	50	0
2009	33.9 °C2 March 2009	3.2 °C4 June 2009	19.4 °C	2,018 mm	37	0
2008	33.8 °C15 October 2008	2.4 °C17 June 2008	19.0 °C	1,847 mm	20	0
2007	33.9 °C23 September 2007	4.1 °C30 July 2007	19.5 °C	1,640 mm	46	0
2006	33.4 °C15 September 2006	3.5 °C6 September 2006	19.3 °C	1,379 mm	33	0
2005	33.0 °C13 October 2005	6.6 °C26 July 2005	19.4 °C	1,848 mm	24	0
2004	33.0 °C22 September 2004	4.4 °C9 August 2004	18.7 °C	1,814 mm	21	0
2003	33.4 °C9 January 2003	4.2 °C11 August 2003	19.2 °C	1,591 mm	35	0
2002	34.4 °C8 October 2002	2.5 °C3 September 2002	20.0 °C	1,504 mm	52	0
2001	32.0 °C8 January 2001	2.3 °C21 June 2001	19.5 °C	1,602 mm	29	0
2000	33.2 °C23 October 2000	0.6 °C17 July 2000	19.0 °C	1,587 mm	30	0
1999	33.0 °C1 October 1999	5.1 °C18 April 1999	18.7 °C	1,725 mm	28	0
1998	33.7 °C4 February 1998	7.4 °C17 July 1998	19.3 °C	1,892 mm	42	0
1997	33.5 °C11 November 1997	4.4 °C9 June 1997	19.4 °C	2,048 mm	38	0
1996	33.5 °C30 January 1996	5.7 °C2 August 1996	18.8 °C	1,991 mm	26	0
1995	33.1 °C10 November 1995	7.5 °C20 May 1995	19.2 °C	2,045 mm	41	0
1994	32.9 °C25 September 1994	1.5 °C26 June 1994	19.4 °C	1,600 mm	41	0
1993	34.1 °C2 January 1993	3.3 °C1 August 1993	19.2 °C	2,064 mm	32	0
1992	31.7 °C22 February 1992	4.9 °C26 August 1992	18.9 °C	1,743 mm	20	0
1991	34.0 °C16 October 1991	3.7 °C24 July 1991	19.0 °C	1,846 mm	17	0
1990	33.8 °C11 October 1990	2.1 °C31 July 1990	19.1 °C	1,767 mm	43	0
1989	31.4 °C30 January 1989	4.5 °C7 August 1989	18.5 °C	1,851 mm	18	0
1988	33.8 °C19 January 1988	1.1 °C6 June 1988	18.5 °C	1,953 mm	29	0
1987	32.9 °C7 January 1987	3.9 °C27 June 1987	19.0 °C	1,759 mm	33	0
1986	33.0 °C26 November 1986	7.5 °C13 July 1986	19.4 °C	1,728 mm	33	0
1985	32.0 °C10 December 1985	4.1 °C8 June 1985	18.8 °C	1,427 mm	20	0
1984	33.9 °C5 February 1984	3.1 °C27 August 1984	19.2 °C	1,496 mm	35	0
1983	31.9 °C11 March 1983	5.2 °C16 June 1983	19.1 °C	2,588 mm	17	0
1982	32.4 °C3 November 1982	6.8 °C30 July 1982	18.9 °C	1,882 mm	13	0
1981	32.0 °C4 February 1981	2.0 °C20 June 1981	18.6 °C	1,831 mm	20	0
1980	32.3 °C20 October 1980	1.5 °C28 June 1980	18.9 °C	1,789 mm	23	0
1979	33.1 °C7 February 1979	-0.5 °C1 June 1979	18.2 °C	1,546 mm	18	1
1978	33.9 °C25 January 1978	2.1 °C15 August 1978	18.6 °C	1,460 mm	35	0
1977	33.5 °C11 March 1977	5.1 °C17 May 1977	19.6 °C	1,762 mm	32	0
1976	33.5 °C19 January 1976	5.6 °C11 July 1976	18.4 °C	2,235 mm	18	0
1975	33.5 °C13 February 1975	-0.5 °C18 July 1975	18.6 °C	1,459 mm	31	1
1974	33.1 °C19 November 1974	0.9 °C17 August 1974	18.5 °C	1,898 mm	16	0
1973	33.9 °C22 February 1973	4.7 °C20 June 1973	19.0 °C	1,829 mm	28	0
1972	33.1 °C29 November 1972	3.3 °C9 July 1972	19.0 °C	1,682 mm	22	0
1971	34.5 °C28 January 1971	5.2 °C25 April 1971	18.5 °C	1,378 mm	32	0
1970	32.7 °C8 December 1970	5.0 °C2 September 1970	18.7 °C	1,630 mm	17	0
1969	33.5 °C5 January 1969	1.9 °C11 July 1969	18.6 °C	1,164 mm	29	0
1968	33.8 °C6 November 1968	1.8 °C18 May 1968	17.8 °C	1,252 mm	23	0
1967	31.9 °C2 December 1967	5.3 °C10 June 1967	18.8 °C	1,618 mm	15	0
1966	32.0 °C25 January 1966	1.7 °C7 August 1966	18.2 °C	1,960 mm	15	0
1965	31.5 °C3 September 1965	1.9 °C12 July 1965	18.1 °C	1,953 mm	5	0
1964	29.5 °C8 January 1964	4.6 °C21 July 1964	17.5 °C	1,691 mm	0	0
1963	34.4 °C14 October 1963	4.4 °C18 June 1963	18.7 °C	1,731 mm	26	0
1962	30.5 °C8 September 1962	3.8 °C25 August 1962	17.1 °C	1,945 mm	3	0
1961	35.0 °C27 September 1961	7.9 °C16 June 1961	19.1 °C	1,562 mm	23	0
1960	32.0 °C25 September 1960	5.2 °C10 July 1960	17.8 °C	1,827 mm	5	0
1959	32.6 °C10 September 1959	4.8 °C8 June 1959	18.8 °C	1,456 mm	15	0
1958	32.5 °C8 January 1958	8.0 °C24 June 1958	18.5 °C	1,824 mm	20	0
1957	31.8 °C18 October 1957	3.6 °C4 August 1957	18.1 °C	1,967 mm	7	0
1956	31.4 °C9 January 1956	6.4 °C20 June 1956	17.5 °C	1,551 mm	19	0
1955	31.4 °C20 February 1955	4.4 °C31 July 1955	17.9 °C	1,529 mm	13	0
1954	31.4 °C18 September 1954	4.9 °C22 June 1954	18.5 °C	1,534 mm	9	0
1953	31.0 °C21 August 1953	5.7 °C12 July 1953	18.6 °C	1,629 mm	5	0
1952	31.9 °C30 September 1952	4.4 °C16 July 1952	18.1 °C	1,471 mm	7	0
1951	32.2 °C26 September 1951	6.5 °C1 June 1951	18.1 °C	1,490 mm	11	0
1950	31.9 °C17 September 1950	4.5 °C12 July 1950	18.0 °C	1,974 mm	4	0
1949	30.7 °C17 March 1949	6.4 °C16 August 1949	17.9 °C	2,211 mm	3	0
1948	33.5 °C26 September 1948	6.2 °C15 June 1948	18.2 °C	1,613 mm	6	0
1947	32.1 °C8 January 1947	4.2 °C2 September 1947	17.7 °C	2,348 mm	9	0
1946	29.9 °C18 October 1946	5.7 °C4 June 1946	18.7 °C	2,376 mm	0	0
1945	30.5 °C28 September 1945	7.0 °C20 June 1945	18.4 °C	2,444 mm	1	0
1944	33.1 °C7 September 1944	8.1 °C10 July 1944	18.6 °C	1,583 mm	11	0
1943	31.4 °C19 January 1943	7.4 °C24 August 1943	17.7 °C	1,559 mm	7	0
1942	35.8 °C27 November 1942	3.9 °C19 June 1942	18.0 °C	1,420 mm	14	0
1941	30.5 °C7 January 1941	5.6 °C4 September 1941	18.4 °C	2,576 mm	2	0
1940	30.3 °C12 September 1940	8.2 °C19 August 1940	18.8 °C	1,992 mm	2	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

24.0 °C

+0.4 °C

Hot days (≥ 30 °C)

45 d/yr

+19

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1497 mm

-243 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.3 °C	+0.7 °C	344 mm	+79 mm
Feb	29.4 °C	+2.7 °C	120 mm	-111 mm
Mar	27.1 °C	+1.3 °C	146 mm	-41 mm
Apr	23.6 °C	-0.3 °C	189 mm	+92 mm
May	22.7 °C	+1.0 °C	32 mm	-58 mm
Jun	20.4 °C	-0.3 °C	112 mm	+40 mm
Jul	18.7 °C	-1.7 °C	16 mm	-54 mm
Aug	20.5 °C	-1.2 °C	37 mm	-27 mm
Sep	23.0 °C	+0.4 °C	47 mm	-71 mm
Oct	22.8 °C	-0.6 °C	133 mm	-29 mm
Nov	24.5 °C	+0.1 °C	146 mm	-20 mm
Dec	28.3 °C	+2.7 °C	175 mm	-42 mm

The year's extremes

Hottest day

34.4 °C

26 Dec 2025

Coldest day

2.6 °C

25 Jun 2025

Wettest day

43.4 mm

13 Mar 2025

Windiest day

40.0 km/h

10 Dec 2025

Strongest gust

90.0 km/h

10 Dec 2025

Hottest feels-like

40.8 °C

28 Dec 2025

Coldest feels-like

0.3 °C

25 Jun 2025

Sunniest day

13.5 h

11 Dec 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 Arcanjo?

São Miguel Arcanjo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 1,740 mm of precipitation per year.

What is the hottest day ever recorded in São Miguel Arcanjo?

The hottest day measured in São Miguel Arcanjo between 1940 and 2025 was 1 October 2020, reaching 36.7 °C.

What is the coldest day in São Miguel Arcanjo?

The coldest day measured in São Miguel Arcanjo between 1940 and 2025 was 18 July 1975, at -0.5 °C.

Does it snow in São Miguel Arcanjo?

Almost never: São Miguel Arcanjo sees virtually no snow, with about 0 frost days per year.

Has the climate of São Miguel Arcanjo warmed?

Yes: São Miguel Arcanjo warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in São Miguel Arcanjo?

The wettest day measured in São Miguel Arcanjo between 1940 and 2025 was 23 March 1941, with 181 mm of rain in 24 hours.

What was the windiest day in São Miguel Arcanjo?

The windiest day measured in São Miguel Arcanjo between 1940 and 2025 was 10 December 2025, with winds reaching 40.0 km/h.

What is the warmest month in São Miguel Arcanjo?

The warmest month in São Miguel Arcanjo is February (22.1 °C on average); the coldest is July (15.4 °C).

How much does it rain in São Miguel Arcanjo?

São Miguel Arcanjo receives on average 1,740 mm of precipitation per year, spread over about 199 rainy days.

Is it sunny in São Miguel Arcanjo?

São Miguel Arcanjo gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Are there tropical nights in São Miguel Arcanjo?

Yes: São Miguel Arcanjo has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in São Miguel Arcanjo?

In São Miguel Arcanjo, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 11 January 2015, and the lowest was -4.5 °C on 18 July 1975.

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