Brotas climate — normals and trends

Q: What is the climate of Brotas?

Brotas has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 1,367 mm of precipitation per year.

Q: What is the hottest day ever recorded in Brotas?

The hottest day measured in Brotas between 1940 and 2025 was 7 October 2020, reaching 39.3 °C.

Q: What is the coldest day in Brotas?

The coldest day measured in Brotas between 1940 and 2025 was 26 June 1994, at 1.0 °C.

Q: Does it snow in Brotas?

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

Q: Has the climate of Brotas warmed?

Yes: Brotas warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Brotas?

The wettest day measured in Brotas between 1940 and 2025 was 18 November 2000, with 146 mm of rain in 24 hours.

Q: What was the windiest day in Brotas?

The windiest day measured in Brotas between 1940 and 2025 was 7 June 2011, with winds reaching 34.3 km/h.

Q: What is the warmest month in Brotas?

The warmest month in Brotas is February (23.7 °C on average); the coldest is July (17.9 °C).

Q: How much does it rain in Brotas?

Brotas receives on average 1,367 mm of precipitation per year, spread over about 154 rainy days.

Q: Is it sunny in Brotas?

Brotas gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Brotas (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.4 °C and it receives 1,367 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 (23.7 °C on average) and the coldest is July (17.9 °C). Rainfall peaks in January.

Brotas averages 0 frost days, 69 hot days (≥ 30 °C) and 154 rainy days per year.

Brotas has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.3 °C (on 7 October 2020) and the coldest 1.0 °C (on 26 June 1994).

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

BrotasSão Paulo

coords: -22.28°, -48.13°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

21.4°C

Average daily high

26.9°C

Average daily low

16.9°C

Annual rainfall

1,367mm

Sunshine / day

10.0h

Mean relative humidity

73%

Average peak wind

14.4km/h

Seasonal range

5.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

69 d/yr

Rainy days (≥ 1 mm)

154 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.8 °C

Average feels-like low

17.2 °C

Average peak gust

33.4 km/h

Tropical nights (≥ 20 °C)

71 d/yr

Solar radiation

18.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.66 · 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

39.3 °C

7 October 2020

Coldest day

1.0 °C

26 June 1994

Wettest day

146 mm

18 November 2000

Windiest day

34.3 km/h

7 June 2011

Strongest gust

92.9 km/h

7 June 2011

Hottest feels-like

42.0 °C

29 October 2012

Coldest feels-like

-2.4 °C

21 July 1981

Sunniest day

13.4 h

16 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.4 °C30 September 2025	3.8 °C25 June 2025	22.2 °C	853 mm	139
2024	38.5 °C26 September 2024	5.6 °C11 August 2024	23.3 °C	997 mm	187
2023	38.4 °C13 November 2023	6.7 °C15 July 2023	22.3 °C	1,037 mm	116
2022	34.1 °C9 September 2022	5.7 °C20 May 2022	21.6 °C	1,110 mm	92
2021	37.1 °C21 September 2021	2.5 °C30 July 2021	21.8 °C	896 mm	113
2020	39.3 °C7 October 2020	6.6 °C27 May 2020	22.1 °C	917 mm	109
2019	37.0 °C12 September 2019	6.0 °C6 July 2019	23.0 °C	1,002 mm	137
2018	35.3 °C17 December 2018	6.4 °C21 May 2018	22.8 °C	873 mm	140
2017	36.5 °C12 October 2017	7.9 °C19 July 2017	22.6 °C	1,098 mm	133
2016	36.8 °C17 October 2016	5.2 °C18 July 2016	22.5 °C	1,357 mm	146
2015	38.1 °C20 October 2015	11.8 °C16 June 2015	23.1 °C	1,332 mm	126
2014	38.2 °C17 October 2014	9.8 °C4 June 2014	23.2 °C	863 mm	154
2013	35.0 °C11 November 2013	5.3 °C28 August 2013	21.8 °C	1,315 mm	97
2012	37.3 °C31 October 2012	7.0 °C19 July 2012	22.4 °C	1,370 mm	131
2011	36.3 °C30 September 2011	3.7 °C28 June 2011	21.9 °C	1,475 mm	106
2010	34.6 °C17 September 2010	7.1 °C16 August 2010	22.1 °C	1,071 mm	111
2009	34.8 °C6 March 2009	4.4 °C3 June 2009	21.9 °C	1,686 mm	69
2008	36.6 °C15 October 2008	6.7 °C17 June 2008	21.6 °C	1,169 mm	62
2007	36.2 °C29 October 2007	6.3 °C26 July 2007	22.4 °C	1,332 mm	107
2006	35.5 °C15 September 2006	6.2 °C6 September 2006	22.0 °C	1,220 mm	84
2005	34.5 °C13 October 2005	9.7 °C26 July 2005	22.0 °C	1,259 mm	76
2004	36.1 °C26 September 2004	8.3 °C9 August 2004	21.3 °C	1,456 mm	67
2003	35.6 °C19 October 2003	8.0 °C17 August 2003	21.8 °C	1,163 mm	81
2002	36.3 °C12 October 2002	5.4 °C3 September 2002	22.6 °C	1,073 mm	116
2001	34.4 °C7 November 2001	6.4 °C27 June 2001	21.9 °C	1,241 mm	103
2000	36.5 °C13 October 2000	3.7 °C18 July 2000	21.5 °C	1,614 mm	82
1999	35.5 °C1 October 1999	7.1 °C21 May 1999	21.5 °C	1,361 mm	90
1998	33.8 °C17 September 1998	8.8 °C9 June 1998	21.6 °C	1,553 mm	91
1997	34.9 °C9 September 1997	5.6 °C9 June 1997	21.7 °C	1,704 mm	93
1996	33.6 °C30 January 1996	7.0 °C13 July 1996	21.4 °C	1,674 mm	73
1995	34.3 °C11 September 1995	9.2 °C1 June 1995	21.7 °C	1,719 mm	89
1994	35.9 °C13 October 1994	1.0 °C26 June 1994	22.0 °C	1,393 mm	96
1993	35.0 °C16 November 1993	4.6 °C1 August 1993	21.6 °C	1,457 mm	74
1992	31.7 °C21 February 1992	8.1 °C24 July 1992	21.2 °C	1,724 mm	36
1991	33.7 °C16 October 1991	5.9 °C24 July 1991	21.4 °C	1,764 mm	55
1990	35.0 °C11 October 1990	4.0 °C19 May 1990	21.7 °C	1,311 mm	115
1989	33.8 °C25 October 1989	6.9 °C10 July 1989	21.1 °C	1,549 mm	48
1988	36.4 °C27 September 1988	3.2 °C5 June 1988	21.5 °C	1,372 mm	82
1987	34.6 °C18 October 1987	5.1 °C8 August 1987	21.5 °C	1,369 mm	85
1986	34.8 °C1 November 1986	7.7 °C5 June 1986	21.5 °C	1,368 mm	72
1985	36.9 °C17 November 1985	3.6 °C8 June 1985	21.4 °C	1,164 mm	82
1984	34.5 °C15 January 1984	5.8 °C27 August 1984	22.1 °C	1,146 mm	83
1983	32.8 °C17 February 1983	6.9 °C6 August 1983	21.3 °C	2,208 mm	37
1982	32.3 °C1 November 1982	9.2 °C31 July 1982	21.3 °C	1,696 mm	42
1981	33.5 °C19 September 1981	1.1 °C21 July 1981	21.0 °C	1,349 mm	49
1980	34.6 °C27 October 1980	6.9 °C28 June 1980	21.5 °C	1,250 mm	60
1979	34.1 °C7 December 1979	1.6 °C1 June 1979	21.0 °C	1,187 mm	53
1978	34.2 °C25 January 1978	3.7 °C15 August 1978	21.2 °C	1,336 mm	67
1977	33.4 °C13 March 1977	6.9 °C18 May 1977	22.0 °C	1,322 mm	83
1976	34.2 °C19 January 1976	7.2 °C16 August 1976	20.5 °C	1,905 mm	31
1975	33.8 °C9 September 1975	3.7 °C18 July 1975	21.4 °C	1,274 mm	82
1974	35.9 °C19 November 1974	6.1 °C17 August 1974	21.1 °C	1,351 mm	73
1973	34.1 °C22 February 1973	7.0 °C21 June 1973	21.6 °C	1,266 mm	72
1972	33.8 °C26 October 1972	3.2 °C9 July 1972	21.1 °C	1,702 mm	41
1971	34.8 °C25 January 1971	6.5 °C10 June 1971	21.1 °C	1,057 mm	55
1970	33.6 °C8 December 1970	7.2 °C3 July 1970	21.3 °C	967 mm	47
1969	34.6 °C11 September 1969	3.0 °C11 July 1969	21.8 °C	761 mm	103
1968	35.6 °C10 November 1968	4.7 °C18 May 1968	20.7 °C	935 mm	60
1967	33.8 °C6 September 1967	5.4 °C9 June 1967	21.4 °C	1,235 mm	61
1966	33.9 °C12 September 1966	4.6 °C6 August 1966	20.7 °C	1,297 mm	29
1965	33.7 °C10 September 1965	4.4 °C12 July 1965	20.4 °C	1,529 mm	22
1964	31.8 °C1 September 1964	6.2 °C28 July 1964	20.0 °C	1,685 mm	15
1963	38.9 °C17 October 1963	6.2 °C21 June 1963	21.9 °C	1,032 mm	90
1962	33.9 °C20 September 1962	4.6 °C18 July 1962	19.8 °C	1,669 mm	22
1961	37.8 °C27 September 1961	10.9 °C30 May 1961	21.9 °C	1,286 mm	66
1960	36.7 °C24 September 1960	7.3 °C10 July 1960	20.4 °C	1,596 mm	19
1959	34.2 °C7 September 1959	5.6 °C8 June 1959	21.3 °C	1,431 mm	49
1958	33.6 °C3 December 1958	8.2 °C22 June 1958	20.9 °C	1,351 mm	53
1957	34.6 °C19 October 1957	4.0 °C21 July 1957	20.5 °C	1,418 mm	22
1956	33.3 °C8 October 1956	6.6 °C6 June 1956	20.0 °C	1,241 mm	42
1955	35.8 °C1 October 1955	6.6 °C1 August 1955	20.8 °C	1,284 mm	44
1954	34.6 °C12 September 1954	7.1 °C21 June 1954	21.0 °C	1,395 mm	34
1953	32.7 °C21 August 1953	10.4 °C7 July 1953	20.9 °C	1,524 mm	9
1952	34.5 °C30 September 1952	6.7 °C17 July 1952	20.5 °C	1,403 mm	23
1951	34.6 °C26 September 1951	9.3 °C30 June 1951	20.7 °C	1,115 mm	36
1950	34.0 °C17 September 1950	8.1 °C12 July 1950	20.5 °C	1,617 mm	22
1949	32.8 °C13 October 1949	10.4 °C19 May 1949	20.3 °C	1,746 mm	8
1948	36.2 °C26 September 1948	8.0 °C16 June 1948	21.0 °C	1,200 mm	36
1947	32.3 °C6 January 1947	7.7 °C4 August 1947	20.0 °C	1,848 mm	11
1946	30.6 °C6 September 1946	7.6 °C4 June 1946	20.7 °C	1,870 mm	6
1945	31.8 °C28 September 1945	10.1 °C25 June 1945	20.5 °C	2,276 mm	10
1944	35.1 °C7 September 1944	9.6 °C14 July 1944	21.1 °C	1,429 mm	31
1943	32.0 °C17 January 1943	8.8 °C8 August 1943	19.9 °C	1,207 mm	11
1942	37.5 °C27 November 1942	5.2 °C18 June 1942	20.7 °C	909 mm	66
1941	30.6 °C11 January 1941	7.9 °C30 May 1941	20.4 °C	2,181 mm	7
1940	32.5 °C23 August 1940	10.0 °C17 August 1940	20.7 °C	1,830 mm	7

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

28.5 °C

+1.6 °C

Hot days (≥ 30 °C)

139 d/yr

+70

Frost days (< 0 °C)

0 d/yr

Annual rainfall

853 mm

-514 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	+2.0 °C	152 mm	-77 mm
Feb	31.3 °C	+2.9 °C	89 mm	-111 mm
Mar	31.6 °C	+3.6 °C	64 mm	-87 mm
Apr	28.3 °C	+1.5 °C	95 mm	+28 mm
May	26.7 °C	+2.2 °C	17 mm	-42 mm
Jun	24.6 °C	+0.8 °C	39 mm	-2 mm
Jul	24.7 °C	+0.6 °C	4 mm	-29 mm
Aug	27.8 °C	+1.4 °C	4 mm	-26 mm
Sep	30.4 °C	+2.4 °C	32 mm	-31 mm
Oct	28.3 °C	+0.2 °C	83 mm	-46 mm
Nov	28.4 °C	+0.5 °C	87 mm	-67 mm
Dec	30.0 °C	+2.1 °C	189 mm	-25 mm

The year's extremes

Hottest day

35.4 °C

30 Sep 2025

Coldest day

3.8 °C

25 Jun 2025

Wettest day

49.7 mm

14 Dec 2025

Windiest day

32.8 km/h

5 Apr 2025

Strongest gust

79.6 km/h

9 Dec 2025

Hottest feels-like

40.2 °C

28 Dec 2025

Coldest feels-like

0.6 °C

25 Jun 2025

Sunniest day

13.3 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 Brotas?

Brotas has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 1,367 mm of precipitation per year.

What is the hottest day ever recorded in Brotas?

The hottest day measured in Brotas between 1940 and 2025 was 7 October 2020, reaching 39.3 °C.

What is the coldest day in Brotas?

The coldest day measured in Brotas between 1940 and 2025 was 26 June 1994, at 1.0 °C.

Does it snow in Brotas?

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

Has the climate of Brotas warmed?

Yes: Brotas warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Brotas?

The wettest day measured in Brotas between 1940 and 2025 was 18 November 2000, with 146 mm of rain in 24 hours.

What was the windiest day in Brotas?

The windiest day measured in Brotas between 1940 and 2025 was 7 June 2011, with winds reaching 34.3 km/h.

What is the warmest month in Brotas?

The warmest month in Brotas is February (23.7 °C on average); the coldest is July (17.9 °C).

How much does it rain in Brotas?

Brotas receives on average 1,367 mm of precipitation per year, spread over about 154 rainy days.

Is it sunny in Brotas?

Brotas gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Brotas?

Yes: Brotas has on average 71 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Brotas?

In Brotas, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 29 October 2012, and the lowest was -2.4 °C on 21 July 1981.

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